From 6474aae5fc19598f82b65bd80217c48284e49140 Mon Sep 17 00:00:00 2001
From: Patrick Carnahan <patrickcarnahan@github.com>
Date: Mon, 7 Aug 2023 20:34:55 +0000
Subject: [PATCH 01/19] add new lock syntax for mysql8

Signed-off-by: Patrick Carnahan <patrickcarnahan@github.com>
Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 go/vt/sqlparser/ast_funcs.go             |    10 +
 go/vt/sqlparser/constants.go             |    16 +-
 go/vt/sqlparser/keywords.go              |     3 +
 go/vt/sqlparser/parse_test.go            |    10 +
 go/vt/sqlparser/sql.go                   | 11952 +++++++++++----------
 go/vt/sqlparser/sql.y                    |    20 +
 go/vt/sqlparser/testdata/union_cases.txt |     2 +-
 7 files changed, 6062 insertions(+), 5951 deletions(-)

diff --git a/go/vt/sqlparser/ast_funcs.go b/go/vt/sqlparser/ast_funcs.go
index 07c3421988b..3142ea76cd2 100644
--- a/go/vt/sqlparser/ast_funcs.go
+++ b/go/vt/sqlparser/ast_funcs.go
@@ -1315,6 +1315,16 @@ func (lock Lock) ToString() string {
 		return NoLockStr
 	case ForUpdateLock:
 		return ForUpdateStr
+	case ForUpdateLockNoWait:
+		return ForUpdateNoWaitStr
+	case ForUpdateLockSkipLocked:
+		return ForUpdateSkipLockedStr
+	case ForShareLock:
+		return ForShareStr
+	case ForShareLockNoWait:
+		return ForShareNoWaitStr
+	case ForShareLockSkipLocked:
+		return ForShareSkipLockedStr
 	case ShareModeLock:
 		return ShareModeStr
 	default:
diff --git a/go/vt/sqlparser/constants.go b/go/vt/sqlparser/constants.go
index 1be3124aa24..960e3bb5202 100644
--- a/go/vt/sqlparser/constants.go
+++ b/go/vt/sqlparser/constants.go
@@ -27,9 +27,14 @@ const (
 	SQLCalcFoundRowsStr = "sql_calc_found_rows "
 
 	// Select.Lock
-	NoLockStr    = ""
-	ForUpdateStr = " for update"
-	ShareModeStr = " lock in share mode"
+	NoLockStr              = ""
+	ForUpdateStr           = " for update"
+	ForUpdateNoWaitStr     = " for update nowait"
+	ForUpdateSkipLockedStr = " for update skip locked"
+	ForShareStr            = " for share"
+	ForShareNoWaitStr      = " for share nowait"
+	ForShareSkipLockedStr  = " for share skip locked"
+	ShareModeStr           = " lock in share mode"
 
 	// Select.Cache
 	SQLCacheStr   = "sql_cache "
@@ -515,6 +520,11 @@ const (
 	NoLock Lock = iota
 	ForUpdateLock
 	ShareModeLock
+	ForShareLock
+	ForShareLockNoWait
+	ForShareLockSkipLocked
+	ForUpdateLockNoWait
+	ForUpdateLockSkipLocked
 )
 
 // Constants for Enum Type - TrimType
diff --git a/go/vt/sqlparser/keywords.go b/go/vt/sqlparser/keywords.go
index 36c329d8e0a..6eaa41a0386 100644
--- a/go/vt/sqlparser/keywords.go
+++ b/go/vt/sqlparser/keywords.go
@@ -413,6 +413,7 @@ var keywords = []keyword{
 	{"localtimestamp", LOCALTIMESTAMP},
 	{"locate", LOCATE},
 	{"lock", LOCK},
+	{"locked", LOCKED},
 	{"logs", LOGS},
 	{"long", UNUSED},
 	{"longblob", LONGBLOB},
@@ -457,6 +458,7 @@ var keywords = []keyword{
 	{"none", NONE},
 	{"not", NOT},
 	{"now", NOW},
+	{"nowait", NOWAIT},
 	{"no_write_to_binlog", NO_WRITE_TO_BINLOG},
 	{"nth_value", NTH_VALUE},
 	{"ntile", NTILE},
@@ -575,6 +577,7 @@ var keywords = []keyword{
 	{"signal", UNUSED},
 	{"signed", SIGNED},
 	{"simple", SIMPLE},
+	{"skip", SKIP},
 	{"slow", SLOW},
 	{"smallint", SMALLINT},
 	{"snapshot", SNAPSHOT},
diff --git a/go/vt/sqlparser/parse_test.go b/go/vt/sqlparser/parse_test.go
index aa007febe9a..f5554bd5350 100644
--- a/go/vt/sqlparser/parse_test.go
+++ b/go/vt/sqlparser/parse_test.go
@@ -693,8 +693,18 @@ var (
 		input: "select /* distinct */ distinct 1 from t",
 	}, {
 		input: "select /* straight_join */ straight_join 1 from t",
+	}, {
+		input: "select /* for share */ 1 from t for share",
+	}, {
+		input: "select /* for share */ 1 from t for share nowait",
+	}, {
+		input: "select /* for share */ 1 from t for share skip locked",
 	}, {
 		input: "select /* for update */ 1 from t for update",
+	}, {
+		input: "select /* for update */ 1 from t for update nowait",
+	}, {
+		input: "select /* for update */ 1 from t for update skip locked",
 	}, {
 		input: "select /* lock in share mode */ 1 from t lock in share mode",
 	}, {
diff --git a/go/vt/sqlparser/sql.go b/go/vt/sqlparser/sql.go
index 51d3c77cd92..c604a5a9711 100644
--- a/go/vt/sqlparser/sql.go
+++ b/go/vt/sqlparser/sql.go
@@ -1517,7 +1517,7 @@ var yyExca = [...]int{
 	243, 812,
 	-2, 810,
 	-1, 122,
-	240, 1587,
+	240, 1592,
 	-2, 133,
 	-1, 124,
 	1, 160,
@@ -1536,76 +1536,76 @@ var yyExca = [...]int{
 	164, 41,
 	-2, 45,
 	-1, 939,
-	87, 1604,
+	87, 1609,
 	-2, 1458,
 	-1, 940,
-	87, 1605,
-	223, 1609,
+	87, 1610,
+	223, 1614,
 	-2, 1459,
 	-1, 941,
-	223, 1608,
+	223, 1613,
 	-2, 42,
 	-1, 1024,
 	60, 886,
 	-2, 901,
-	-1, 1111,
+	-1, 1112,
 	251, 43,
 	256, 43,
 	-2, 419,
-	-1, 1196,
+	-1, 1197,
 	1, 580,
 	732, 580,
 	-2, 167,
-	-1, 1498,
-	223, 1609,
+	-1, 1499,
+	223, 1614,
 	-2, 1459,
-	-1, 1707,
+	-1, 1708,
 	60, 887,
 	-2, 906,
-	-1, 1708,
+	-1, 1709,
 	60, 888,
 	-2, 907,
-	-1, 1759,
+	-1, 1764,
 	136, 167,
 	178, 167,
 	347, 167,
 	-2, 458,
-	-1, 1840,
+	-1, 1845,
 	137, 408,
 	246, 408,
 	-2, 512,
-	-1, 1849,
+	-1, 1854,
 	251, 44,
 	256, 44,
 	-2, 420,
-	-1, 2287,
-	223, 1613,
-	-2, 1607,
-	-1, 2288,
-	223, 1609,
-	-2, 1605,
-	-1, 2388,
+	-1, 2292,
+	223, 1618,
+	-2, 1612,
+	-1, 2293,
+	223, 1614,
+	-2, 1610,
+	-1, 2395,
 	136, 167,
 	178, 167,
 	347, 167,
 	-2, 459,
-	-1, 2395,
+	-1, 2402,
 	26, 188,
 	-2, 190,
-	-1, 2849,
+	-1, 2856,
 	78, 98,
 	88, 98,
 	-2, 965,
-	-1, 2918,
+	-1, 2925,
 	707, 698,
 	-2, 672,
-	-1, 3126,
-	50, 1555,
-	-2, 1549,
-	-1, 3941,
+	-1, 3133,
+	50, 1560,
+	-2, 1554,
+	-1, 3948,
 	707, 698,
 	-2, 686,
-	-1, 4028,
+	-1, 4035,
 	90, 630,
 	95, 630,
 	105, 630,
@@ -1651,1025 +1651,1014 @@ var yyExca = [...]int{
 	219, 630,
 	220, 630,
 	221, 630,
-	-2, 1976,
+	-2, 1981,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 54976
+const yyLast = 55107
 
 var yyAct = [...]int{
-	955, 3603, 3604, 87, 3602, 4026, 4103, 3922, 943, 3278,
-	4116, 4007, 4070, 1263, 950, 3554, 942, 2081, 4071, 2385,
-	1968, 3995, 3906, 3831, 2316, 3178, 3407, 3185, 3227, 2093,
-	3236, 3241, 3238, 3237, 3235, 3240, 1762, 1261, 3139, 2024,
-	3904, 3239, 5, 3541, 2745, 2318, 3256, 3079, 2459, 737,
-	3193, 3255, 3143, 3140, 3452, 3446, 3641, 2982, 2340, 3127,
-	2809, 731, 3438, 764, 904, 2356, 903, 2422, 908, 3972,
-	3258, 42, 1818, 732, 2883, 3285, 2964, 2915, 2447, 1722,
-	3472, 2427, 2885, 2884, 2359, 2373, 1022, 1073, 87, 2490,
-	2360, 1041, 163, 1143, 1019, 2834, 1865, 2815, 2361, 41,
-	3137, 2271, 2785, 1709, 2801, 2239, 43, 1022, 2283, 2238,
-	2077, 2116, 2468, 2956, 2446, 2032, 149, 2348, 2429, 1847,
-	1106, 1101, 1083, 2507, 2876, 1751, 2851, 1731, 2363, 1119,
-	100, 2822, 1688, 1510, 104, 2120, 2336, 105, 2052, 1437,
-	1422, 1964, 1854, 747, 3142, 1077, 1080, 2444, 1109, 1112,
-	1946, 1081, 2418, 2419, 1021, 1107, 1025, 1108, 1750, 1058,
-	1736, 1060, 2189, 735, 3636, 2128, 1031, 2147, 1040, 742,
-	3894, 2783, 2341, 107, 1470, 1043, 1028, 2023, 1252, 85,
-	1976, 1813, 167, 127, 125, 126, 99, 1026, 1192, 905,
-	1494, 1017, 1839, 132, 1027, 133, 1053, 741, 1029, 734,
-	98, 4104, 1259, 3542, 1238, 2284, 106, 1514, 2461, 2462,
-	2463, 84, 1519, 93, 3224, 3957, 2461, 724, 2938, 2937,
-	2505, 2906, 3534, 1048, 1052, 4053, 1016, 2972, 2973, 3953,
-	1034, 3952, 2313, 2314, 669, 128, 2039, 3497, 2038, 2037,
-	1074, 3958, 2036, 2035, 2034, 1145, 134, 1148, 2007, 1208,
-	666, 1684, 667, 4047, 2553, 2781, 3123, 4074, 1162, 1163,
-	1164, 1931, 1167, 1168, 1169, 1170, 1123, 3083, 1173, 1174,
-	1175, 1176, 1177, 1178, 1179, 1180, 1181, 1182, 1183, 1184,
-	1185, 1186, 1187, 1188, 1189, 1122, 1067, 1035, 1156, 1068,
-	725, 1018, 2811, 95, 1209, 3607, 2, 1020, 1090, 1085,
-	709, 1098, 3931, 2908, 1149, 1152, 1153, 128, 1097, 1096,
-	1095, 95, 3246, 4126, 1433, 4069, 4094, 1454, 2494, 4109,
-	1042, 4057, 4055, 3412, 3411, 709, 727, 2931, 3907, 2928,
-	2055, 2746, 3953, 2044, 95, 3607, 3304, 909, 3827, 3246,
-	1165, 111, 112, 113, 4108, 116, 4056, 4054, 122, 190,
-	1015, 191, 3243, 3826, 661, 703, 1066, 1070, 907, 1066,
-	1070, 907, 2493, 1147, 1146, 4084, 722, 723, 3244, 190,
-	703, 3547, 3837, 129, 3548, 128, 1010, 1011, 1012, 1013,
-	4051, 95, 3606, 1024, 3566, 3555, 172, 959, 960, 961,
-	3996, 4004, 1716, 129, 3250, 3244, 2487, 1099, 1424, 3836,
-	2086, 703, 4031, 3324, 703, 1828, 172, 3175, 3176, 86,
-	2782, 1055, 1056, 700, 959, 960, 961, 86, 3174, 2945,
-	2946, 3250, 3606, 1245, 2860, 1247, 2971, 2859, 86, 2865,
-	2861, 2559, 2562, 2825, 2380, 2381, 1752, 4008, 1753, 4036,
-	2379, 2955, 169, 2016, 2017, 170, 1256, 1228, 2492, 1094,
-	1008, 1201, 1202, 1451, 1007, 1452, 1453, 4034, 2826, 3923,
-	1972, 685, 169, 1244, 1246, 170, 4040, 4041, 189, 1229,
-	2872, 1222, 3282, 1216, 683, 3195, 3196, 3654, 1217, 2398,
-	2397, 3936, 4035, 1204, 1233, 1234, 3565, 95, 189, 86,
-	1191, 3017, 88, 703, 2438, 95, 703, 2560, 3280, 2818,
-	2819, 703, 3312, 2315, 3310, 1216, 95, 1092, 3247, 4075,
-	1217, 2551, 2015, 4012, 680, 717, 2019, 2432, 1215, 721,
-	1214, 1748, 1692, 695, 715, 1471, 3286, 2957, 1434, 2983,
-	4076, 3878, 703, 3879, 2916, 3247, 2344, 2469, 690, 2941,
-	4012, 2508, 4106, 1921, 2344, 1947, 1249, 3301, 693, 1472,
-	1473, 1474, 1475, 1476, 1477, 1478, 1480, 1479, 1481, 1482,
-	1423, 1255, 3273, 1230, 3283, 1223, 704, 95, 1254, 1242,
-	3274, 1231, 1232, 1243, 1166, 2512, 2554, 2555, 2557, 2556,
-	1237, 704, 173, 1248, 3194, 1059, 1197, 1922, 1235, 1923,
-	3281, 179, 2959, 2514, 3536, 3535, 3197, 1973, 1236, 2529,
-	2532, 2530, 173, 2531, 1172, 1171, 2510, 1121, 1241, 3811,
-	2472, 179, 704, 2985, 1832, 704, 670, 2511, 672, 686,
-	3611, 706, 2357, 705, 676, 3449, 674, 678, 687, 679,
-	2513, 673, 1103, 684, 3532, 1093, 675, 688, 689, 692,
-	696, 697, 698, 694, 691, 1141, 682, 707, 2515, 4048,
-	1102, 1140, 1139, 1138, 1103, 1137, 3018, 2521, 2517, 2519,
-	2520, 2518, 2522, 2523, 1136, 1135, 2431, 1134, 1129, 1142,
-	1695, 3197, 4081, 4127, 1485, 3082, 1069, 1063, 1061, 1069,
-	1063, 1061, 1078, 2995, 2994, 2993, 1078, 1115, 2987, 1078,
-	2991, 1151, 2986, 1076, 2984, 1114, 1965, 1114, 2445, 2989,
-	1260, 1150, 1260, 1260, 704, 2909, 1054, 704, 2988, 2960,
-	1120, 2498, 704, 2497, 3217, 164, 1114, 1117, 1118, 1961,
-	1078, 1425, 1159, 2940, 1111, 1115, 2990, 2992, 2342, 2343,
-	1826, 1825, 1824, 2926, 1962, 164, 2342, 2343, 1822, 1207,
-	660, 2954, 4049, 704, 2953, 1110, 3919, 1749, 3486, 3531,
-	1022, 1495, 1500, 1501, 3468, 1504, 1506, 1507, 1508, 1509,
-	2976, 1512, 1513, 1515, 1515, 2943, 1515, 1515, 1520, 1520,
-	1520, 1523, 1524, 1525, 1526, 1527, 1528, 1529, 1530, 1531,
-	1532, 1533, 1534, 1535, 1536, 1537, 1538, 1539, 1540, 1541,
-	1542, 1543, 1544, 1545, 1546, 1547, 1548, 1549, 1550, 1551,
-	1552, 1553, 1554, 1555, 1556, 1557, 1558, 1559, 1560, 1561,
-	1562, 1563, 1564, 1565, 1566, 1567, 1568, 1569, 1570, 1571,
-	1572, 1573, 1574, 1575, 1576, 1577, 1578, 1579, 1580, 1581,
-	1582, 1583, 1584, 1585, 1586, 1587, 1588, 1589, 1590, 1591,
-	1592, 1593, 1594, 1595, 1596, 1597, 1598, 1599, 1600, 1601,
-	1602, 1603, 1604, 1605, 1606, 1607, 1608, 1609, 1610, 1611,
-	1612, 1613, 1614, 1615, 1616, 1617, 1618, 1619, 1620, 1621,
-	1622, 1623, 1624, 1625, 1626, 1627, 1628, 1629, 1630, 1631,
-	1632, 1633, 1634, 1635, 1636, 1637, 1638, 1639, 1640, 1641,
-	1642, 1643, 1644, 1492, 1250, 3930, 2907, 1645, 1415, 1647,
-	1648, 1649, 1650, 1651, 1416, 1417, 956, 1488, 1489, 1490,
-	1491, 1520, 1520, 1520, 1520, 1520, 1520, 1502, 3495, 3496,
-	708, 2491, 2930, 3450, 956, 1100, 1658, 1659, 1660, 1661,
-	1662, 1663, 1664, 1665, 1666, 1667, 1668, 1669, 1670, 1671,
-	1496, 701, 1933, 1932, 1934, 1935, 1936, 956, 1438, 89,
-	2874, 1062, 165, 3605, 1062, 1505, 702, 1685, 4010, 177,
-	1203, 1200, 3302, 4039, 1213, 1212, 2929, 1218, 1219, 1220,
-	1221, 1516, 165, 1517, 1518, 1432, 3248, 3249, 94, 177,
-	1438, 1521, 1522, 3395, 1195, 4010, 94, 2561, 3564, 3252,
-	4009, 1257, 1258, 3605, 2435, 1132, 1853, 94, 1130, 2560,
-	185, 2910, 2963, 3248, 3249, 1715, 1485, 4038, 1121, 1226,
-	1691, 2786, 2788, 2856, 2489, 2821, 3252, 4009, 2758, 1022,
-	185, 2089, 1951, 1022, 1682, 1486, 1487, 1089, 1740, 1022,
-	1091, 1646, 1206, 3091, 2436, 3090, 2816, 1121, 1482, 668,
-	124, 2434, 2386, 166, 171, 168, 174, 175, 176, 178,
-	180, 181, 182, 183, 1485, 1683, 1448, 3173, 94, 184,
-	186, 187, 188, 166, 171, 168, 174, 175, 176, 178,
-	180, 181, 182, 183, 1716, 2437, 2585, 1465, 1037, 184,
-	186, 187, 188, 1253, 1952, 2433, 3944, 1699, 1448, 119,
-	1144, 1703, 2574, 4120, 1239, 1977, 3527, 1021, 1121, 1477,
-	1478, 1480, 1479, 1481, 1482, 1852, 1211, 3462, 2509, 2028,
-	1958, 1120, 3003, 1701, 1754, 2121, 1702, 104, 2129, 2121,
-	105, 2594, 1683, 1652, 1653, 1654, 1655, 1656, 1657, 1094,
-	2899, 1086, 2130, 1454, 1158, 4085, 1689, 3650, 1088, 1087,
-	1120, 1094, 1190, 2057, 1133, 1124, 1114, 1131, 1676, 1453,
-	1126, 1452, 1453, 2585, 1127, 1125, 107, 2058, 1483, 1484,
-	2056, 3502, 120, 3501, 1444, 2966, 2476, 1436, 2966, 1862,
-	2965, 1454, 1948, 2965, 1949, 1128, 2113, 1950, 1861, 1851,
-	2787, 2486, 2484, 1132, 1130, 1454, 1697, 1092, 2566, 2567,
-	2568, 4077, 1829, 1830, 1831, 3487, 1444, 1845, 1033, 3974,
-	3912, 1120, 4122, 3561, 3319, 3562, 1194, 1114, 1117, 1118,
-	2488, 1078, 1700, 1718, 1225, 1111, 1115, 4090, 1716, 2481,
-	1970, 1916, 1838, 1454, 1686, 1227, 1867, 1018, 1868, 1721,
-	1870, 1872, 1698, 1196, 1876, 1878, 1880, 1882, 1884, 1857,
-	1020, 1898, 1240, 1978, 3975, 3913, 1121, 1855, 1855, 1260,
-	1210, 3819, 1745, 1746, 1454, 1121, 2481, 3818, 2485, 1906,
-	1907, 1856, 1941, 2127, 709, 1912, 1913, 3809, 3577, 1451,
-	1716, 1452, 1453, 1821, 2105, 2094, 2095, 2096, 2097, 2107,
-	2098, 2099, 2100, 2112, 2108, 2101, 2102, 2109, 2110, 2111,
-	2103, 2104, 2106, 1848, 3576, 2483, 1716, 1835, 1836, 1955,
-	1834, 1953, 1954, 2126, 1956, 1957, 3509, 1451, 1716, 1452,
-	1453, 1193, 1859, 1939, 4118, 1093, 3005, 4119, 1454, 4117,
-	1704, 1451, 1928, 1452, 1453, 2276, 1940, 1093, 86, 44,
-	45, 88, 1902, 1454, 4128, 2046, 2048, 2049, 3840, 1894,
-	2621, 3508, 1897, 3498, 1899, 1966, 1748, 3225, 92, 1120,
-	3213, 1157, 48, 76, 77, 1154, 74, 78, 1120, 1451,
-	2047, 1452, 1453, 1124, 1114, 75, 3277, 2881, 1126, 959,
-	960, 961, 1127, 1125, 2880, 1454, 2879, 1938, 2441, 128,
-	1097, 1096, 1095, 1454, 1942, 1926, 1927, 1827, 1925, 1924,
-	1451, 1914, 1452, 1453, 62, 1473, 1474, 1475, 1476, 1477,
-	1478, 1480, 1479, 1481, 1482, 1983, 95, 1475, 1476, 1477,
-	1478, 1480, 1479, 1481, 1482, 1260, 1260, 4088, 1716, 1979,
-	1980, 4129, 1908, 1905, 1904, 1419, 1903, 1874, 2005, 87,
-	1696, 4078, 87, 1984, 3939, 1454, 3492, 709, 2863, 709,
-	1991, 1992, 1993, 1458, 1459, 1460, 1461, 1462, 1463, 1464,
-	1456, 2004, 83, 1471, 1451, 2975, 1452, 1453, 1443, 1440,
-	1441, 1442, 1447, 1449, 1446, 3938, 1445, 4018, 1716, 1451,
-	3916, 1452, 1453, 2457, 2456, 3915, 1439, 1472, 1473, 1474,
-	1475, 1476, 1477, 1478, 1480, 1479, 1481, 1482, 2455, 2454,
-	1443, 1440, 1441, 1442, 1447, 1449, 1446, 42, 1445, 3914,
-	42, 2084, 2084, 2082, 2082, 2085, 3814, 1454, 1439, 3798,
-	1471, 1451, 3797, 1452, 1453, 2453, 2452, 1981, 2591, 1451,
-	4079, 1452, 1453, 1454, 1985, 3649, 1987, 1988, 1989, 1990,
-	3647, 2050, 2633, 1994, 1472, 1473, 1474, 1475, 1476, 1477,
-	1478, 1480, 1479, 1481, 1482, 2006, 51, 54, 57, 56,
-	59, 3573, 73, 2807, 4105, 82, 79, 1472, 1473, 1474,
-	1475, 1476, 1477, 1478, 1480, 1479, 1481, 1482, 1725, 1454,
-	1471, 1451, 2167, 1452, 1453, 1682, 110, 4065, 1716, 61,
-	91, 90, 3181, 1681, 71, 72, 58, 109, 1680, 108,
-	1679, 2590, 80, 81, 1472, 1473, 1474, 1475, 1476, 1477,
-	1478, 1480, 1479, 1481, 1482, 85, 1683, 3481, 85, 2029,
-	2054, 1454, 2631, 2156, 1726, 1450, 1716, 2012, 2013, 2807,
-	4003, 1716, 1450, 1716, 3932, 2807, 3982, 3182, 2276, 2807,
-	3978, 3845, 2273, 2061, 63, 64, 110, 65, 66, 67,
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-	2287, 1452, 1453, 102, 3965, 1716, 3844, 2286, 2060, 3179,
-	2062, 2063, 2064, 2065, 2066, 2067, 2069, 2071, 2072, 2073,
-	2074, 2075, 2076, 3216, 2285, 1496, 2088, 3195, 3196, 3215,
-	2131, 2132, 2133, 2134, 3180, 4014, 1716, 103, 60, 2890,
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-	2157, 2158, 2159, 2160, 2161, 2162, 2163, 2164, 2165, 1471,
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-	1453, 103, 2181, 1454, 2287, 102, 1716, 2290, 2291, 2807,
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-	1480, 1479, 1481, 1482, 104, 3545, 1716, 105, 2285, 2807,
-	3543, 3801, 2395, 1454, 2481, 1716, 3466, 1716, 89, 1454,
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-	3204, 3553, 2179, 1454, 2053, 3201, 3202, 2917, 3197, 1937,
-	1716, 2895, 2190, 2332, 2367, 1454, 3201, 3200, 1083, 1454,
-	2831, 1716, 2560, 2939, 3891, 1716, 2394, 2349, 2350, 1454,
-	1817, 2920, 2404, 2405, 2406, 2407, 1929, 3889, 1716, 3461,
-	2399, 1454, 2400, 2401, 2402, 2403, 2913, 2914, 2390, 1034,
-	1454, 1083, 2389, 2289, 2320, 1919, 2292, 2293, 2410, 2411,
-	2412, 2413, 2371, 1454, 2807, 2806, 2831, 3886, 1716, 2326,
-	2308, 2327, 1915, 3868, 1716, 2482, 1451, 1911, 1452, 1453,
-	2424, 2393, 2263, 2264, 2265, 2266, 2267, 2334, 1910, 1451,
-	1909, 1452, 1453, 2470, 1727, 2430, 1251, 94, 2352, 3437,
-	1716, 2587, 1716, 3430, 1716, 2087, 1716, 2376, 2377, 2375,
-	2823, 1454, 2331, 3427, 1716, 109, 2392, 1067, 2391, 1451,
-	1068, 1452, 1453, 1454, 3183, 1451, 3927, 1452, 1453, 1729,
-	1817, 1816, 2467, 2481, 3425, 1716, 2440, 2310, 1454, 1451,
-	1450, 1452, 1453, 2190, 1454, 3463, 2852, 3387, 1716, 3970,
-	1454, 1451, 2852, 1452, 1453, 1451, 1454, 1452, 1453, 2425,
-	2414, 2416, 2417, 2421, 3943, 1451, 2803, 1452, 1453, 2439,
-	2807, 2475, 2443, 1123, 2478, 2451, 2479, 1451, 2581, 1452,
-	1453, 103, 3461, 1855, 1450, 2495, 1451, 2831, 1452, 1453,
-	1760, 1759, 1122, 3138, 2425, 1728, 2477, 2474, 2473, 1451,
-	3168, 1452, 1453, 70, 3461, 3510, 3416, 3385, 1716, 2853,
-	2560, 2496, 2830, 2499, 3203, 2853, 190, 2500, 2501, 2855,
-	3111, 1454, 3381, 1716, 2378, 2560, 2587, 2911, 3378, 1716,
-	2713, 2618, 1717, 1719, 3376, 1716, 2617, 2481, 2464, 2587,
-	129, 1454, 151, 2347, 1720, 2565, 1454, 1451, 2311, 1452,
-	1453, 2087, 2030, 172, 2014, 1960, 3511, 3512, 3513, 1451,
-	2506, 1452, 1453, 1747, 3228, 1105, 1104, 2831, 1454, 1506,
-	95, 1506, 4044, 3985, 1451, 3833, 1452, 1453, 1023, 1723,
-	1451, 3799, 1452, 1453, 162, 1454, 1451, 2577, 1452, 1453,
-	150, 3661, 1451, 1454, 1452, 1453, 3526, 3523, 3504, 3329,
-	3328, 1819, 2423, 2287, 2535, 3374, 1716, 3275, 1454, 169,
-	2286, 3230, 170, 3226, 1454, 2921, 2420, 1471, 2415, 2409,
-	1467, 2408, 1468, 1944, 3514, 3372, 1716, 2580, 1454, 2887,
-	3432, 1841, 1842, 161, 160, 189, 1469, 1483, 1484, 1466,
-	1850, 1472, 1473, 1474, 1475, 1476, 1477, 1478, 1480, 1479,
-	1481, 1482, 3370, 1716, 1846, 2550, 95, 1451, 1815, 1452,
-	1453, 121, 1195, 2886, 3187, 1890, 3279, 1454, 3191, 3428,
-	2558, 3515, 3516, 3517, 3834, 3190, 1454, 1451, 3806, 1452,
-	1453, 2438, 1451, 2324, 1452, 1453, 2010, 1454, 3473, 3474,
-	4100, 1454, 3368, 1716, 4098, 2569, 1454, 4072, 3366, 1716,
-	2054, 3479, 2629, 3951, 1451, 1454, 1452, 1453, 3873, 3192,
-	1454, 2887, 3364, 1716, 3188, 1454, 1891, 1892, 1893, 3189,
-	3476, 1451, 2571, 1452, 1453, 1454, 3222, 3221, 3220, 1451,
-	3138, 1452, 1453, 2900, 2536, 1454, 155, 1843, 158, 665,
-	1840, 2583, 156, 157, 1451, 3478, 1452, 1453, 2011, 173,
-	1451, 2582, 1452, 1453, 3631, 2593, 3630, 2570, 179, 2572,
-	3362, 1716, 3157, 3156, 1451, 3947, 1452, 1453, 2575, 1724,
-	2576, 3360, 1716, 3835, 2544, 2545, 1716, 2578, 2330, 2547,
-	3358, 1716, 3160, 1454, 3467, 2338, 2757, 3161, 2548, 3356,
-	1716, 1454, 3158, 3116, 3354, 1716, 3115, 3159, 3911, 3352,
-	1716, 3640, 3642, 1451, 3629, 1452, 1453, 1454, 2627, 3350,
-	1716, 3457, 1451, 726, 1452, 1453, 1454, 3125, 2789, 3348,
-	1716, 1959, 1006, 1451, 3199, 1452, 1453, 1451, 1454, 1452,
-	1453, 2870, 1451, 1454, 1452, 1453, 1022, 2084, 1454, 2082,
-	2792, 1451, 3454, 1452, 1453, 2891, 1451, 1038, 1452, 1453,
-	3453, 1451, 1161, 1452, 1453, 1039, 1160, 2828, 2829, 3295,
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-	2848, 1451, 101, 1452, 1453, 3317, 1716, 2969, 1418, 2129,
-	2600, 3459, 164, 102, 2793, 3162, 2795, 2840, 2841, 103,
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-	1888, 1889, 2751, 1716, 3131, 3928, 1454, 2728, 1716, 1451,
-	3829, 1452, 1453, 3528, 101, 42, 3198, 1451, 2844, 1452,
-	1453, 103, 1454, 2335, 2845, 102, 2804, 2847, 2528, 1454,
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-	2875, 3113, 2800, 2524, 1451, 1683, 1452, 1453, 3899, 1451,
-	3439, 1452, 1453, 1454, 1451, 2820, 1452, 1453, 159, 2805,
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-	3876, 2711, 1716, 3648, 3646, 1454, 109, 109, 108, 2854,
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-	1454, 2124, 3447, 2694, 1716, 2889, 2125, 110, 2823, 3615,
-	2892, 2893, 1454, 3393, 2878, 4102, 4101, 1454, 109, 1451,
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-	2896, 109, 2185, 2901, 2902, 2903, 2322, 2897, 1451, 1741,
-	1452, 1453, 1733, 4102, 2933, 1451, 3917, 1452, 1453, 2690,
-	1716, 1838, 114, 115, 3490, 1451, 152, 1452, 1453, 153,
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-	2027, 1454, 2912, 10, 3389, 2979, 2980, 1454, 2932, 1451,
-	2025, 1452, 1453, 9, 1014, 1421, 2684, 1716, 1454, 165,
-	1420, 2682, 1716, 1454, 2026, 3494, 177, 8, 2680, 1716,
-	4033, 1451, 681, 1452, 1453, 2312, 1687, 1454, 4073, 4029,
-	2996, 2958, 2269, 2678, 1716, 1454, 1451, 2977, 1452, 1453,
-	1451, 2961, 1452, 1453, 4030, 1930, 1451, 1920, 1452, 1453,
-	3556, 2237, 3830, 3234, 2471, 3522, 2428, 185, 1451, 1113,
-	1452, 1453, 2302, 1451, 154, 1452, 1453, 2387, 2388, 1454,
-	1451, 3998, 1452, 1453, 1454, 2676, 1716, 2934, 118, 1717,
-	2309, 2674, 1716, 1071, 2997, 1451, 117, 1452, 1453, 3000,
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+	955, 3610, 3611, 87, 3609, 4033, 4110, 3929, 4014, 3285,
+	4123, 943, 4077, 1264, 950, 3561, 942, 2086, 4078, 2392,
+	1973, 4002, 3913, 3838, 2321, 3185, 3414, 3192, 3234, 2098,
+	3243, 3248, 3245, 3244, 3242, 3247, 1767, 1262, 3146, 3911,
+	2029, 3246, 2752, 5, 3548, 2323, 3263, 3086, 2466, 737,
+	3200, 3262, 3150, 3147, 3648, 3459, 3453, 2989, 2347, 3134,
+	904, 764, 908, 2429, 903, 42, 3265, 2363, 1723, 3979,
+	1823, 2816, 732, 2890, 3292, 2366, 2971, 2922, 2454, 2434,
+	2891, 2497, 3445, 3479, 1074, 2892, 1022, 163, 87, 2380,
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+	2808, 2792, 2244, 2121, 2276, 2288, 2082, 1022, 43, 2243,
+	3144, 2963, 2475, 2037, 2453, 2355, 1852, 2514, 149, 2436,
+	1102, 2883, 1084, 1107, 1756, 2858, 1736, 2370, 1511, 1689,
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+	1025, 1120, 2425, 2426, 1108, 2829, 1110, 1109, 1755, 1059,
+	1741, 1061, 2194, 2152, 99, 1031, 3643, 2133, 1041, 1044,
+	1495, 3901, 2790, 2348, 107, 742, 1471, 2028, 1253, 1028,
+	2289, 1981, 85, 167, 127, 1026, 125, 1818, 132, 905,
+	1017, 126, 1844, 133, 1193, 1054, 1027, 93, 741, 734,
+	1029, 98, 1260, 4111, 1239, 3549, 106, 1515, 3231, 84,
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+	2945, 2944, 2512, 3541, 1016, 1936, 1439, 4060, 2979, 2980,
+	3960, 1034, 2318, 2319, 2044, 669, 128, 3504, 2043, 3965,
+	2042, 2041, 1149, 1075, 1146, 3959, 134, 2040, 2039, 2012,
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+	3130, 1168, 1169, 1170, 1171, 1035, 3614, 1174, 1175, 1176,
+	1177, 1178, 1179, 1180, 1181, 1182, 1183, 1184, 1185, 1186,
+	1187, 1188, 1189, 1190, 2, 725, 4081, 735, 1124, 2818,
+	1069, 1018, 1068, 1123, 1210, 1020, 3614, 709, 3090, 1434,
+	2501, 4116, 1099, 3938, 1043, 2915, 4133, 95, 128, 1098,
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+	1725, 3253, 4101, 1717, 4064, 727, 4115, 709, 95, 111,
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+	1726, 3418, 2344, 3613, 722, 723, 4062, 2060, 2343, 2938,
+	3914, 95, 2753, 2049, 1010, 1011, 1012, 1013, 3311, 3834,
+	3833, 1024, 703, 1148, 1147, 3251, 128, 3251, 4091, 2935,
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+	2387, 2388, 2566, 2832, 1439, 4015, 2021, 2022, 2386, 2569,
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+	2499, 703, 2916, 3930, 1217, 1217, 4047, 4048, 2833, 1218,
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+	3289, 1095, 4042, 1202, 1203, 2445, 683, 1234, 1235, 1452,
+	3319, 1453, 1454, 2405, 2404, 1977, 703, 95, 703, 3317,
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+	2558, 2020, 95, 2320, 2567, 1205, 717, 2024, 1753, 1192,
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+	3293, 3886, 2476, 1693, 1095, 695, 1087, 86, 1167, 1093,
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+	690, 1926, 1449, 2528, 2524, 2526, 2527, 2525, 2529, 2530,
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+	1481, 1480, 1482, 1483, 3201, 2561, 2562, 2564, 2563, 1256,
+	2118, 1236, 1093, 704, 3288, 1927, 3204, 1928, 2153, 1198,
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+	3281, 2157, 2158, 2159, 3818, 95, 2154, 2162, 2163, 2164,
+	2165, 2166, 2167, 2168, 2169, 2170, 2521, 2519, 670, 2539,
+	672, 686, 1978, 706, 1173, 705, 676, 3456, 674, 678,
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+	689, 692, 696, 697, 698, 694, 691, 2438, 682, 707,
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+	2100, 2101, 2102, 2112, 2103, 2104, 2105, 2117, 2113, 2106,
+	2107, 2114, 2115, 2116, 2108, 2109, 2111, 704, 1137, 704,
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+	1448, 1450, 1447, 1426, 1446, 1160, 3224, 2947, 2917, 3538,
+	1022, 1496, 1501, 1502, 1440, 1505, 1507, 1508, 1509, 1510,
+	1831, 1513, 1514, 1516, 1516, 1830, 1516, 1516, 1521, 1521,
+	1521, 1524, 1525, 1526, 1527, 1528, 1529, 1530, 1531, 1532,
+	1533, 1534, 1535, 1536, 1537, 1538, 1539, 1540, 1541, 1542,
+	1543, 1544, 1545, 1546, 1547, 1548, 1549, 1550, 1551, 1552,
+	1553, 1554, 1555, 1556, 1557, 1558, 1559, 1560, 1561, 1562,
+	1563, 1564, 1565, 1566, 1567, 1568, 1569, 1570, 1571, 1572,
+	1573, 1574, 1575, 1576, 1577, 1578, 1579, 1580, 1581, 1582,
+	1583, 1584, 1585, 1586, 1587, 1588, 1589, 1590, 1591, 1592,
+	1593, 1594, 1595, 1596, 1597, 1598, 1599, 1600, 1601, 1602,
+	1603, 1604, 1605, 1606, 1607, 1608, 1609, 1610, 1611, 1612,
+	1613, 1614, 1615, 1616, 1617, 1618, 1619, 1620, 1621, 1622,
+	1623, 1624, 1625, 1626, 1627, 1628, 1629, 1630, 1631, 1632,
+	1633, 1634, 1635, 1636, 1637, 1638, 1639, 1640, 1641, 1642,
+	1643, 1644, 1645, 1493, 1251, 1416, 3937, 1646, 2914, 1648,
+	1649, 1650, 1651, 1652, 1417, 1418, 1938, 1937, 1939, 1940,
+	1941, 1521, 1521, 1521, 1521, 1521, 1521, 1101, 3502, 3503,
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+	1663, 1664, 1665, 1666, 1667, 1668, 1669, 1670, 1671, 1672,
+	1497, 956, 2567, 701, 1444, 1441, 1442, 1443, 1448, 1450,
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+	1433, 1214, 1440, 4017, 703, 1213, 1133, 1219, 1220, 1221,
+	1222, 1517, 2937, 1518, 1519, 2442, 3309, 1486, 94, 1204,
+	1522, 1523, 94, 3255, 3256, 3255, 3256, 89, 4016, 1131,
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+	1692, 2793, 2795, 2933, 190, 2443, 2936, 2970, 1683, 1022,
+	4127, 1858, 2441, 1022, 1967, 1827, 1208, 660, 3191, 1022,
+	4056, 1489, 1490, 1491, 1492, 1227, 190, 2961, 129, 3926,
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+	3475, 172, 2863, 1684, 1956, 2828, 2444, 1246, 2765, 1248,
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+	2063, 1484, 1485, 2061, 1212, 3193, 1121, 169, 2973, 1240,
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+	4092, 2135, 1115, 1118, 1119, 189, 1079, 107, 1454, 2592,
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+	1481, 1480, 1482, 1483, 954, 2887, 1472, 1933, 2886, 1468,
+	2448, 1469, 959, 960, 961, 1945, 1832, 1947, 1931, 1930,
+	164, 128, 1098, 1929, 1097, 1470, 1484, 1485, 1467, 1096,
+	1473, 1474, 1475, 1476, 1477, 1478, 1479, 1481, 1480, 1482,
+	1483, 1919, 164, 1420, 1455, 1913, 1943, 1988, 1910, 1909,
+	1908, 1455, 1879, 2881, 1697, 709, 1261, 1261, 3499, 709,
+	1984, 1985, 2636, 2870, 709, 101, 2464, 2463, 1753, 2010,
+	87, 1932, 103, 87, 1989, 1472, 102, 2982, 2462, 2461,
+	1730, 1996, 1997, 1998, 2460, 2459, 4085, 2638, 1472, 2814,
+	4112, 1455, 2009, 4072, 1717, 1717, 1455, 1451, 1717, 1473,
+	1474, 1475, 1476, 1477, 1478, 1479, 1481, 1480, 1482, 1483,
+	2640, 3946, 1473, 1474, 1475, 1476, 1477, 1478, 1479, 1481,
+	1480, 1482, 1483, 1472, 1455, 2580, 1731, 3945, 4097, 1717,
+	3939, 1717, 42, 1451, 1717, 42, 1717, 1455, 2814, 4010,
+	2814, 3989, 2089, 2089, 2087, 2087, 2090, 1473, 1474, 1475,
+	1476, 1477, 1478, 1479, 1481, 1480, 1482, 1483, 1986, 2814,
+	3985, 2356, 2357, 3923, 1455, 1990, 110, 1992, 1993, 1994,
+	1995, 2055, 3972, 1717, 1999, 4095, 1717, 109, 3922, 108,
+	1452, 3194, 1453, 1454, 3921, 3198, 2011, 1452, 103, 1453,
+	1454, 3821, 3197, 1473, 1474, 1475, 1476, 1477, 1478, 1479,
+	1481, 1480, 1482, 1483, 3552, 3936, 1455, 3805, 4025, 1717,
+	1683, 3829, 1717, 2172, 1474, 1475, 1476, 1477, 1478, 1479,
+	1481, 1480, 1482, 1483, 1455, 3804, 3199, 1452, 3656, 1453,
+	1454, 3195, 1452, 3654, 1453, 1454, 3196, 1476, 1477, 1478,
+	1479, 1481, 1480, 1482, 1483, 1684, 2628, 1717, 3847, 85,
+	2034, 2059, 85, 2814, 3817, 3468, 3580, 165, 2017, 2018,
+	1452, 1682, 1453, 1454, 177, 1459, 1460, 1461, 1462, 1463,
+	1464, 1465, 1457, 1452, 1681, 1453, 1454, 1680, 3513, 165,
+	3552, 1717, 1455, 2814, 3550, 2064, 177, 3498, 2488, 1717,
+	4023, 1717, 3473, 1717, 2720, 1717, 1451, 3294, 1455, 3291,
+	1452, 2292, 1453, 1454, 2588, 185, 3223, 2093, 2291, 2065,
+	3852, 2067, 2068, 2069, 2070, 2071, 2072, 2074, 2076, 2077,
+	2078, 2079, 2080, 2081, 3222, 2290, 1497, 185, 1455, 2120,
+	2122, 2897, 1455, 2136, 2137, 2138, 2139, 3213, 3212, 3851,
+	2277, 2884, 1452, 2127, 1453, 1454, 2171, 2150, 166, 171,
+	168, 174, 175, 176, 178, 180, 181, 182, 183, 1679,
+	1452, 1455, 1453, 1454, 184, 186, 187, 188, 3210, 3211,
 	166, 171, 168, 174, 175, 176, 178, 180, 181, 182,
-	183, 2668, 1716, 1766, 2333, 1454, 184, 186, 187, 188,
-	2882, 1764, 1765, 1763, 1768, 1767, 3303, 1451, 2978, 1452,
-	1453, 2620, 3021, 1451, 3394, 1452, 1453, 3077, 2967, 2018,
-	716, 2968, 2843, 710, 1451, 192, 1452, 1453, 1755, 1451,
-	1454, 1452, 1453, 2666, 1716, 1734, 3408, 1155, 2664, 1716,
-	671, 3207, 2504, 1451, 677, 1452, 1453, 2981, 1503, 2009,
-	3112, 1451, 2858, 1452, 1453, 2998, 1065, 1057, 2323, 2794,
-	1064, 3807, 3146, 3084, 3451, 3124, 3095, 3126, 3086, 2810,
-	3129, 3122, 3910, 3639, 2365, 3983, 1454, 3012, 2868, 2662,
-	1716, 2274, 1730, 2274, 2272, 1451, 2272, 1452, 1453, 3057,
-	1451, 3415, 1452, 1453, 2592, 2119, 2442, 3145, 1493, 87,
-	2364, 3610, 2365, 2365, 2365, 2365, 2365, 1454, 2999, 3067,
-	3068, 3069, 3070, 3071, 2657, 1716, 1454, 2045, 739, 738,
-	736, 3085, 2365, 3087, 2796, 2365, 2824, 1457, 944, 3095,
-	2784, 1451, 1742, 1452, 1453, 2835, 3094, 1454, 2833, 3150,
-	1970, 2832, 2367, 2537, 3167, 1454, 2372, 3475, 3471, 4025,
-	1454, 2366, 2362, 2802, 895, 894, 3110, 3106, 3119, 748,
-	2653, 1716, 740, 1454, 730, 893, 1451, 1025, 1452, 1453,
-	2367, 2367, 2367, 2367, 2367, 3117, 1454, 892, 3120, 3261,
-	3132, 3133, 1454, 3262, 2942, 3276, 3107, 3108, 3109, 3251,
-	2367, 3326, 3151, 2367, 2944, 3154, 3149, 2869, 1026, 3259,
-	3325, 3152, 3153, 3118, 3155, 1027, 3169, 104, 3163, 3170,
-	105, 3171, 1451, 1454, 1452, 1453, 3272, 1435, 1706, 1084,
-	3300, 2651, 1716, 3934, 2563, 3323, 1705, 3941, 3177, 2644,
-	1716, 3242, 3540, 1454, 2642, 1716, 3223, 3209, 3059, 3210,
-	3061, 2918, 3208, 1451, 2458, 1452, 1453, 3322, 69, 46,
-	3211, 3212, 1451, 3905, 1452, 1453, 3072, 3073, 3074, 3075,
-	2774, 3135, 3260, 3263, 3971, 3264, 2773, 887, 884, 2430,
-	1454, 3232, 3253, 1451, 3612, 1452, 1453, 3613, 3614, 3080,
-	3270, 1451, 3081, 1452, 1453, 3141, 1451, 3954, 1452, 1453,
-	3141, 1454, 3955, 883, 3956, 2174, 1431, 2769, 1428, 1451,
-	4046, 1452, 1453, 2020, 3288, 96, 36, 3291, 3290, 35,
-	34, 33, 1451, 32, 1452, 1453, 26, 2768, 1451, 3298,
-	1452, 1453, 25, 24, 23, 3308, 3305, 3306, 3254, 3307,
-	22, 29, 3309, 19, 3311, 21, 3313, 2836, 2839, 2840,
-	2841, 2837, 20, 2838, 2842, 18, 3245, 3473, 3474, 1451,
-	4068, 1452, 1453, 4113, 2767, 1471, 123, 55, 52, 1506,
-	50, 131, 130, 1506, 2579, 53, 49, 1198, 2584, 1451,
-	47, 1452, 1453, 31, 30, 2766, 3233, 17, 16, 1472,
-	1473, 1474, 1475, 1476, 1477, 1478, 1480, 1479, 1481, 1482,
-	15, 2588, 14, 2589, 3410, 13, 12, 11, 2596, 7,
-	6, 3414, 2598, 2599, 39, 38, 1451, 37, 1452, 1453,
-	3299, 2605, 2606, 2607, 2608, 2609, 2610, 2611, 2612, 2613,
-	2614, 28, 2616, 27, 40, 4, 2905, 1451, 2460, 1452,
-	1453, 0, 0, 0, 3144, 0, 0, 0, 0, 2365,
-	0, 3440, 3441, 3443, 0, 2622, 2623, 2624, 2625, 2626,
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-	2636, 728, 2637, 0, 1454, 2640, 0, 2641, 2643, 2645,
-	2646, 2647, 2648, 2649, 2650, 2652, 2654, 2655, 2656, 2658,
-	1454, 2660, 2661, 2663, 2665, 2667, 2669, 2671, 2673, 2675,
-	2677, 2679, 2681, 2683, 2685, 2687, 2689, 2691, 2693, 2695,
-	2697, 2698, 2699, 3482, 2701, 3477, 2703, 2367, 2705, 2706,
-	3460, 2708, 2710, 2712, 3480, 3260, 3263, 2715, 3264, 3445,
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-	0, 3507, 3293, 3294, 0, 0, 0, 0, 2738, 2739,
-	2740, 2741, 2742, 2743, 3550, 3551, 2747, 2748, 2765, 1454,
-	0, 0, 3470, 0, 2750, 3499, 3500, 2113, 3417, 2756,
-	3419, 3420, 3421, 1454, 2764, 2759, 2760, 2761, 2762, 2763,
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-	0, 0, 2775, 2777, 2333, 0, 2779, 0, 0, 0,
-	1454, 0, 0, 0, 1454, 0, 2791, 0, 0, 0,
-	1451, 0, 1452, 1453, 0, 1454, 0, 0, 3533, 1454,
-	0, 0, 3537, 3538, 3539, 0, 1451, 0, 1452, 1453,
-	1454, 3552, 2836, 2839, 2840, 2841, 2837, 0, 2838, 2842,
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-	0, 0, 0, 1454, 0, 0, 0, 2754, 0, 0,
-	0, 1454, 0, 0, 0, 2105, 2094, 2095, 2096, 2097,
-	2107, 2098, 2099, 2100, 2112, 2108, 2101, 2102, 2109, 2110,
-	2111, 2103, 2104, 2106, 2753, 0, 1454, 0, 2752, 0,
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-	1454, 0, 0, 2744, 1454, 0, 0, 0, 0, 1451,
-	1454, 1452, 1453, 0, 2737, 0, 0, 0, 1454, 3628,
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-	3620, 3621, 1454, 3608, 0, 0, 1451, 2735, 1452, 1453,
-	1451, 0, 1452, 1453, 3145, 2734, 87, 3634, 3145, 0,
-	0, 1451, 0, 1452, 1453, 1451, 0, 1452, 1453, 0,
-	1454, 0, 0, 0, 0, 0, 1451, 0, 1452, 1453,
-	2733, 0, 3572, 0, 2732, 0, 2084, 0, 2082, 3663,
-	1451, 3635, 1452, 1453, 2731, 3655, 3644, 3643, 2730, 1451,
-	0, 1452, 1453, 0, 2729, 3651, 3653, 1451, 1454, 1452,
-	1453, 0, 2723, 0, 0, 0, 0, 2722, 0, 1454,
-	0, 0, 0, 3813, 42, 0, 2721, 0, 0, 0,
-	3667, 0, 1451, 0, 1452, 1453, 1451, 0, 1452, 1453,
-	0, 0, 0, 0, 0, 0, 1451, 0, 1452, 1453,
-	1451, 0, 1452, 1453, 2718, 0, 1451, 0, 1452, 1453,
-	0, 0, 0, 3805, 1451, 3804, 1452, 1453, 0, 1451,
-	0, 1452, 1453, 0, 0, 3820, 0, 0, 1451, 0,
-	1452, 1453, 3825, 3832, 3824, 0, 1714, 1710, 3803, 0,
-	0, 0, 2717, 0, 3870, 3871, 3007, 3008, 3009, 3010,
-	3011, 1711, 3657, 2716, 3664, 3665, 1451, 0, 1452, 1453,
-	0, 0, 2084, 0, 2082, 3874, 3016, 0, 3815, 3816,
-	3817, 0, 0, 0, 0, 0, 2328, 2329, 1713, 0,
-	1712, 3599, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 3141, 0, 0, 1451, 3145, 1452, 1453, 0, 0,
-	3877, 0, 3659, 3808, 3880, 1451, 0, 1452, 1453, 1523,
-	1524, 1525, 1526, 1527, 1528, 1529, 1530, 1531, 1532, 1533,
-	1534, 1535, 1536, 1537, 1538, 1539, 1540, 1541, 1543, 1544,
-	1545, 1546, 1547, 1548, 1549, 1550, 1551, 1552, 1553, 1554,
-	1555, 1556, 1557, 1558, 1559, 1560, 1561, 1562, 1563, 1564,
-	1565, 1566, 1567, 1568, 1569, 1570, 1571, 1572, 1573, 1574,
-	1575, 1576, 1577, 1578, 1579, 1580, 1581, 1582, 1583, 1584,
-	1585, 1586, 1587, 1588, 1589, 1590, 1591, 1592, 1593, 1594,
-	1595, 1596, 1597, 1598, 1599, 1600, 1601, 1602, 1603, 1604,
-	1605, 1606, 1607, 1608, 1609, 1610, 1611, 1612, 1613, 1614,
-	1615, 1616, 1617, 1618, 1620, 1621, 1622, 1623, 1624, 1625,
-	1626, 1627, 1628, 1629, 1630, 1631, 1632, 1633, 1634, 1635,
-	1641, 1642, 1643, 1644, 1658, 1659, 1660, 1661, 1662, 1663,
-	1664, 1665, 1666, 1667, 1668, 1669, 1670, 1671, 3921, 3918,
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-	0, 0, 0, 1454, 1711, 0, 0, 0, 3920, 0,
-	87, 0, 0, 0, 3147, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 1454, 1707,
-	1708, 1713, 3165, 1712, 0, 0, 3924, 0, 0, 0,
-	0, 3937, 0, 0, 0, 0, 3940, 0, 0, 3942,
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-	1454, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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-	0, 0, 0, 1451, 3969, 1452, 1453, 1451, 0, 1452,
-	1453, 1511, 1451, 0, 1452, 1453, 3976, 0, 0, 1451,
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-	3346, 3347, 3349, 3351, 3353, 3355, 3357, 3359, 3361, 3363,
-	3365, 3367, 3369, 3371, 3373, 3375, 3377, 3379, 3380, 3382,
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-	3404, 3405, 3406, 2084, 4099, 2082, 4096, 4095, 4086, 4097,
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+	105, 2509, 2184, 2058, 2346, 3893, 1717, 2594, 1717, 2337,
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+	2414, 3875, 1717, 2406, 1924, 2407, 2408, 2409, 2410, 2313,
+	2397, 1034, 2396, 3444, 1717, 2325, 1084, 1452, 1920, 1453,
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+	2331, 1717, 2332, 1717, 2924, 3437, 1717, 1452, 1732, 1453,
+	1454, 2431, 2268, 2269, 2270, 2271, 2272, 2339, 2336, 2400,
+	1822, 1821, 2594, 1452, 109, 1453, 1454, 1252, 2477, 1455,
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+	2830, 2902, 2383, 2384, 2382, 2837, 2401, 3468, 2859, 2489,
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+	3385, 1717, 3336, 3286, 1507, 4086, 1507, 1452, 3335, 1453,
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+	3233, 2928, 2584, 3379, 1717, 2427, 2893, 3377, 1717, 2422,
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+	0, 0, 0, 0, 0, 1788, 0, 0, 0, 172,
+	2352, 2353, 0, 0, 70, 3986, 0, 0, 0, 0,
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+	0, 0, 0, 0, 0, 0, 2391, 0, 0, 0,
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+	0, 0, 0, 0, 0, 169, 0, 940, 170, 0,
+	1200, 0, 1206, 0, 0, 0, 0, 0, 0, 0,
+	4052, 0, 0, 0, 0, 0, 0, 1846, 1847, 161,
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+	714, 0, 1428, 0, 0, 720, 0, 0, 0, 0,
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+	0, 1776, 4094, 4096, 4098, 0, 0, 0, 0, 0,
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-	0, 0, 0, 0, 0, 1799, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 3838, 3839, 0, 3841, 0,
-	3842, 3843, 0, 0, 0, 3846, 3847, 3848, 3849, 3850,
-	3851, 3852, 3853, 3854, 3855, 3856, 3857, 3858, 3859, 3860,
-	3861, 3862, 3863, 3864, 3865, 3866, 3867, 0, 3869, 3872,
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-	0, 0, 0, 0, 3881, 3882, 3883, 3884, 3885, 3887,
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-	2173, 2175, 0, 2180, 0, 2182, 2183, 2184, 0, 2186,
-	2187, 2188, 0, 2191, 2192, 2193, 2194, 2195, 2196, 2197,
-	2198, 2199, 2200, 2201, 2202, 2203, 2204, 2205, 2206, 2207,
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-	2218, 2219, 2220, 2221, 2222, 2223, 2224, 2225, 2226, 2227,
-	2228, 2229, 2230, 2231, 2232, 2233, 2234, 2235, 2236, 2240,
-	2241, 2242, 2243, 2244, 2245, 2246, 2247, 2248, 2249, 2250,
-	2251, 2252, 2253, 2254, 2255, 2256, 2257, 2258, 2259, 2260,
-	2261, 2262, 0, 0, 0, 0, 1783, 2268, 0, 2270,
-	0, 2277, 2278, 2279, 2280, 2281, 2282, 1050, 0, 1050,
-	1050, 1050, 1050, 1050, 0, 0, 0, 0, 0, 0,
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-	0, 0, 0, 0, 0, 0, 0, 0, 1050, 0,
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-	0, 0, 0, 0, 4005, 4006, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 190, 0, 0, 4013, 4015,
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-	0, 0, 172, 0, 0, 0, 0, 2426, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 1199, 0, 1205, 0, 0, 0,
-	0, 4064, 0, 162, 0, 0, 0, 0, 0, 150,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 195, 0, 195, 0, 1784, 0, 169, 0,
-	0, 170, 0, 0, 0, 4087, 4089, 4091, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 720, 195, 0, 4124, 4125, 1797, 1800,
-	1801, 1802, 1803, 1804, 1805, 0, 1806, 1807, 1809, 1810,
-	1808, 1811, 1812, 1785, 1786, 1787, 1788, 1769, 1770, 1798,
-	0, 1772, 1498, 1773, 1774, 1775, 1776, 1777, 1778, 1779,
-	1780, 1781, 0, 0, 1782, 1789, 1790, 1791, 1792, 0,
-	1793, 1794, 1795, 1796, 957, 0, 2276, 0, 0, 958,
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-	0, 0, 0, 0, 0, 0, 0, 179, 144, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 147, 145, 140, 141, 142, 146, 0, 0,
-	0, 0, 0, 0, 137, 0, 0, 0, 0, 0,
-	0, 0, 0, 148, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 964, 965, 966, 967, 968, 969,
-	970, 971, 972, 973, 974, 975, 976, 977, 978, 979,
-	980, 981, 982, 983, 984, 985, 986, 987, 988, 989,
-	990, 991, 992, 993, 994, 995, 996, 997, 998, 999,
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-	0, 0, 0, 2601, 2602, 2603, 2604, 0, 0, 0,
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 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+	0, 0, 0, 0, 0, 0, 1802, 1805, 1806, 1807,
+	1808, 1809, 1810, 0, 1811, 1812, 1814, 1815, 1813, 1816,
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+	0, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785, 1786,
+	0, 0, 1787, 1794, 1795, 1796, 1797, 0, 1798, 1799,
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+	1807, 1808, 1809, 1810, 0, 1811, 1812, 1814, 1815, 1813,
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+	1777, 0, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785,
+	1786, 0, 0, 1787, 1794, 1795, 1796, 1797, 164, 1798,
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-	0, 720, 0, 0, 0, 0, 0, 0, 0, 0,
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-	0, 0, 0, 0, 1986, 0, 720, 0, 195, 195,
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-	0, 195, 195, 195, 195, 195, 195, 195, 195, 195,
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 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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-	981, 982, 983, 984, 985, 986, 987, 988, 989, 990,
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+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1950, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 1976, 0,
+	0, 0, 0, 185, 0, 0, 0, 0, 0, 0,
+	0, 1737, 0, 0, 1987, 0, 0, 0, 0, 0,
+	0, 1991, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 0,
+	0, 0, 0, 0, 0, 0, 166, 171, 168, 174,
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+	0, 0, 184, 186, 187, 188, 0, 0, 0, 0,
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+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 720, 0, 720,
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-	0, 0, 0, 0, 0, 0, 0, 1917, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 3557, 3558, 3559, 3560, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	3416, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -2677,659 +2666,1333 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 3701, 0, 0, 0, 0, 0, 0, 664, 0,
+	0, 0, 0, 0, 0, 0, 3709, 3710, 0, 0,
+	3785, 3784, 3783, 0, 0, 3781, 3782, 3780, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 664, 0, 0, 0, 0, 0,
+	0, 0, 0, 2342, 2342, 0, 0, 0, 0, 0,
+	3786, 910, 0, 765, 766, 3787, 3788, 914, 3789, 768,
+	769, 911, 912, 664, 763, 767, 913, 915, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 664, 0, 0, 664, 664, 664, 0,
+	0, 0, 3564, 3565, 3566, 3567, 0, 0, 0, 0,
+	0, 0, 3692, 3693, 3694, 3698, 3699, 3700, 3711, 3758,
+	3759, 3767, 3769, 866, 3768, 3770, 3771, 3772, 3775, 3776,
+	3777, 3778, 3773, 3774, 3779, 3675, 3679, 3676, 3677, 3678,
+	3690, 3680, 3681, 3682, 3683, 3684, 3685, 3686, 3687, 3688,
+	3689, 3691, 3790, 3791, 3792, 3793, 3794, 3795, 3704, 3708,
+	3707, 3705, 3706, 3702, 3703, 3730, 3729, 3731, 3732, 3733,
+	3734, 3735, 3736, 3738, 3737, 3739, 3740, 3741, 3742, 3743,
+	3744, 3712, 3713, 3716, 3717, 3715, 3714, 3718, 3727, 3728,
+	3719, 3720, 3721, 3722, 3723, 3724, 3726, 3725, 3745, 3746,
+	3747, 3748, 3749, 3751, 3750, 3754, 3755, 3753, 3752, 3757,
+	3756, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 916, 0, 917, 0, 0, 921, 0,
+	0, 0, 923, 922, 0, 924, 886, 885, 0, 0,
+	918, 919, 0, 920, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 3663,
+	0, 3665, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 3796, 3797,
+	3798, 3799, 3800, 3801, 3802, 3803, 0, 0, 1922, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 1500, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 2342,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 3830, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 1263, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 3656, 0, 3658, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 1922, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 3903, 0, 0, 0, 3903, 3903, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 2337, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 1917, 0, 0, 0, 3823, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	1262, 0, 664, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 2342, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 3896, 0, 0, 0, 3896, 3896, 0,
-	0, 0, 0, 0, 0, 1499, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 2337, 0, 0, 0,
-	0, 0, 3999, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 1917, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 2342, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 1969, 0, 0,
+	0, 0, 0, 0, 0, 0, 2342, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 2337, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1922, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 2337, 0,
+	664, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	3980, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 3984, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 1263, 1263, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 4026, 0,
+	0, 0, 0, 1500, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 4034, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	4006, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 3980, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 1922, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 2342, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 3416, 0, 4034, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 3973, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 3977, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 1262, 1262,
+	0, 0, 0, 0, 0, 0, 0, 0, 392, 0,
+	0, 0, 1398, 1384, 520, 1974, 1326, 1401, 1295, 1314,
+	1411, 1317, 1320, 1363, 1273, 1341, 411, 1311, 1266, 1299,
+	1268, 1306, 1269, 1297, 1328, 269, 1294, 1386, 1345, 1400,
+	362, 266, 1275, 1300, 425, 1316, 203, 1365, 481, 251,
+	373, 370, 575, 281, 272, 268, 249, 315, 381, 423,
+	510, 417, 1407, 366, 1351, 0, 491, 396, 0, 0,
+	0, 1330, 1390, 1339, 1377, 1325, 1364, 1283, 1350, 1402,
+	1312, 1360, 1403, 321, 247, 323, 202, 408, 492, 285,
+	0, 0, 0, 0, 4008, 941, 0, 0, 0, 0,
+	4009, 0, 0, 0, 0, 237, 0, 0, 244, 0,
+	0, 0, 347, 356, 355, 336, 337, 339, 341, 346,
+	353, 359, 1308, 1357, 1397, 1309, 1359, 264, 319, 271,
+	263, 572, 1408, 1389, 1272, 1338, 1396, 1333, 0, 0,
+	228, 1399, 1332, 0, 1362, 0, 1414, 1267, 1353, 0,
+	1270, 1274, 1410, 1394, 1303, 274, 0, 0, 0, 0,
+	0, 0, 0, 1329, 1340, 1374, 1378, 1323, 0, 0,
+	0, 0, 0, 0, 0, 0, 1301, 0, 1349, 0,
+	0, 0, 1279, 1271, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 1327, 0, 0, 0,
+	0, 1282, 0, 1302, 1375, 0, 1265, 296, 1276, 397,
+	256, 0, 448, 1382, 1393, 1324, 616, 1395, 1322, 1321,
+	1369, 1280, 1388, 1315, 361, 1278, 328, 197, 224, 0,
+	1313, 407, 456, 468, 1387, 1298, 1307, 252, 1305, 466,
+	421, 594, 232, 283, 453, 427, 464, 435, 286, 1348,
+	1367, 465, 368, 577, 445, 591, 617, 618, 262, 401,
+	603, 514, 611, 635, 225, 259, 415, 499, 597, 488,
+	393, 573, 574, 327, 487, 294, 201, 365, 623, 223,
+	474, 367, 241, 230, 579, 600, 288, 451, 630, 212,
+	509, 589, 238, 478, 0, 0, 638, 246, 498, 214,
+	586, 497, 389, 324, 325, 213, 0, 452, 267, 292,
+	0, 0, 257, 410, 581, 582, 255, 639, 227, 610,
+	219, 1277, 609, 403, 576, 587, 390, 379, 218, 585,
+	388, 378, 332, 351, 352, 279, 305, 442, 371, 443,
+	304, 306, 399, 398, 400, 206, 598, 0, 207, 0,
+	493, 599, 640, 447, 211, 233, 234, 236, 1293, 278,
+	282, 290, 293, 301, 302, 311, 363, 414, 441, 437,
+	446, 1383, 571, 592, 604, 615, 621, 622, 624, 625,
+	626, 627, 628, 631, 629, 402, 309, 489, 331, 369,
+	1372, 1413, 420, 467, 239, 596, 490, 199, 1287, 1292,
+	1285, 0, 253, 254, 1354, 567, 1288, 1286, 1343, 1344,
+	1289, 1404, 1405, 1406, 1391, 641, 642, 643, 644, 645,
+	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
+	656, 657, 658, 636, 500, 506, 501, 502, 503, 504,
+	505, 0, 507, 1376, 1281, 0, 1290, 1291, 1385, 583,
+	584, 659, 380, 480, 593, 333, 345, 348, 338, 357,
+	0, 358, 334, 335, 340, 342, 343, 344, 349, 350,
+	354, 360, 248, 209, 386, 394, 570, 310, 215, 216,
+	217, 516, 517, 518, 519, 607, 608, 612, 204, 457,
+	458, 459, 460, 291, 602, 307, 463, 462, 329, 330,
+	375, 444, 532, 534, 545, 549, 551, 553, 559, 562,
+	533, 535, 546, 550, 552, 554, 560, 563, 522, 524,
+	526, 528, 541, 540, 537, 565, 566, 543, 548, 527,
+	539, 544, 557, 564, 561, 521, 525, 529, 538, 556,
+	555, 536, 547, 558, 542, 530, 523, 531, 1347, 196,
+	220, 364, 1409, 449, 287, 637, 606, 601, 205, 222,
+	1284, 261, 1296, 1304, 0, 1310, 1318, 1319, 1331, 1334,
+	1335, 1336, 1337, 1355, 1356, 1358, 1366, 1368, 1371, 1373,
+	1380, 1392, 1412, 198, 200, 208, 221, 231, 235, 242,
+	260, 275, 277, 284, 297, 308, 316, 317, 320, 326,
+	376, 382, 383, 384, 385, 404, 405, 406, 409, 412,
+	413, 416, 418, 419, 422, 426, 430, 431, 432, 434,
+	436, 438, 450, 455, 469, 470, 471, 472, 473, 476,
+	477, 482, 483, 484, 485, 486, 494, 495, 508, 578,
+	580, 595, 613, 619, 475, 299, 300, 439, 440, 312,
+	313, 633, 634, 298, 590, 620, 588, 632, 614, 433,
+	374, 1346, 1352, 377, 280, 303, 318, 1361, 605, 496,
+	226, 461, 289, 250, 1379, 1381, 210, 245, 229, 258,
+	273, 276, 322, 387, 395, 424, 429, 295, 270, 243,
+	454, 240, 479, 511, 512, 513, 515, 391, 265, 428,
+	1342, 1370, 372, 568, 569, 314, 392, 0, 0, 0,
+	1398, 1384, 520, 0, 1326, 1401, 1295, 1314, 1411, 1317,
+	1320, 1363, 1273, 1341, 411, 1311, 1266, 1299, 1268, 1306,
+	1269, 1297, 1328, 269, 1294, 1386, 1345, 1400, 362, 266,
+	1275, 1300, 425, 1316, 203, 1365, 481, 251, 373, 370,
+	575, 281, 272, 268, 249, 315, 381, 423, 510, 417,
+	1407, 366, 1351, 0, 491, 396, 0, 0, 0, 1330,
+	1390, 1339, 1377, 1325, 1364, 1283, 1350, 1402, 1312, 1360,
+	1403, 321, 247, 323, 202, 408, 492, 285, 0, 0,
+	0, 0, 0, 194, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 237, 0, 0, 244, 0, 0, 0,
+	347, 356, 355, 336, 337, 339, 341, 346, 353, 359,
+	1308, 1357, 1397, 1309, 1359, 264, 319, 271, 263, 572,
+	1408, 1389, 1272, 1338, 1396, 1333, 0, 0, 228, 1399,
+	1332, 0, 1362, 0, 1414, 1267, 1353, 0, 1270, 1274,
+	1410, 1394, 1303, 274, 0, 0, 0, 0, 0, 0,
+	0, 1329, 1340, 1374, 1378, 1323, 0, 0, 0, 0,
+	0, 0, 3180, 0, 1301, 0, 1349, 0, 0, 0,
+	1279, 1271, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 1327, 0, 0, 0, 0, 1282,
+	0, 1302, 1375, 0, 1265, 296, 1276, 397, 256, 0,
+	448, 1382, 1393, 1324, 616, 1395, 1322, 1321, 1369, 1280,
+	1388, 1315, 361, 1278, 328, 197, 224, 0, 1313, 407,
+	456, 468, 1387, 1298, 1307, 252, 1305, 466, 421, 594,
+	232, 283, 453, 427, 464, 435, 286, 1348, 1367, 465,
+	368, 577, 445, 591, 617, 618, 262, 401, 603, 514,
+	611, 635, 225, 259, 415, 499, 597, 488, 393, 573,
+	574, 327, 487, 294, 201, 365, 623, 223, 474, 367,
+	241, 230, 579, 600, 288, 451, 630, 212, 509, 589,
+	238, 478, 0, 0, 638, 246, 498, 214, 586, 497,
+	389, 324, 325, 213, 0, 452, 267, 292, 0, 0,
+	257, 410, 581, 582, 255, 639, 227, 610, 219, 1277,
+	609, 403, 576, 587, 390, 379, 218, 585, 388, 378,
+	332, 351, 352, 279, 305, 442, 371, 443, 304, 306,
+	399, 398, 400, 206, 598, 0, 207, 0, 493, 599,
+	640, 447, 211, 233, 234, 236, 1293, 278, 282, 290,
+	293, 301, 302, 311, 363, 414, 441, 437, 446, 1383,
+	571, 592, 604, 615, 621, 622, 624, 625, 626, 627,
+	628, 631, 629, 402, 309, 489, 331, 369, 1372, 1413,
+	420, 467, 239, 596, 490, 199, 1287, 1292, 1285, 0,
+	253, 254, 1354, 567, 1288, 1286, 1343, 1344, 1289, 1404,
+	1405, 1406, 1391, 641, 642, 643, 644, 645, 646, 647,
+	648, 649, 650, 651, 652, 653, 654, 655, 656, 657,
+	658, 636, 500, 506, 501, 502, 503, 504, 505, 0,
+	507, 1376, 1281, 0, 1290, 1291, 1385, 583, 584, 659,
+	380, 480, 593, 333, 345, 348, 338, 357, 0, 358,
+	334, 335, 340, 342, 343, 344, 349, 350, 354, 360,
+	248, 209, 386, 394, 570, 310, 215, 216, 217, 516,
+	517, 518, 519, 607, 608, 612, 204, 457, 458, 459,
+	460, 291, 602, 307, 463, 462, 329, 330, 375, 444,
+	532, 534, 545, 549, 551, 553, 559, 562, 533, 535,
+	546, 550, 552, 554, 560, 563, 522, 524, 526, 528,
+	541, 540, 537, 565, 566, 543, 548, 527, 539, 544,
+	557, 564, 561, 521, 525, 529, 538, 556, 555, 536,
+	547, 558, 542, 530, 523, 531, 1347, 196, 220, 364,
+	1409, 449, 287, 637, 606, 601, 205, 222, 1284, 261,
+	1296, 1304, 0, 1310, 1318, 1319, 1331, 1334, 1335, 1336,
+	1337, 1355, 1356, 1358, 1366, 1368, 1371, 1373, 1380, 1392,
+	1412, 198, 200, 208, 221, 231, 235, 242, 260, 275,
+	277, 284, 297, 308, 316, 317, 320, 326, 376, 382,
+	383, 384, 385, 404, 405, 406, 409, 412, 413, 416,
+	418, 419, 422, 426, 430, 431, 432, 434, 436, 438,
+	450, 455, 469, 470, 471, 472, 473, 476, 477, 482,
+	483, 484, 485, 486, 494, 495, 508, 578, 580, 595,
+	613, 619, 475, 299, 300, 439, 440, 312, 313, 633,
+	634, 298, 590, 620, 588, 632, 614, 433, 374, 1346,
+	1352, 377, 280, 303, 318, 1361, 605, 496, 226, 461,
+	289, 250, 1379, 1381, 210, 245, 229, 258, 273, 276,
+	322, 387, 395, 424, 429, 295, 270, 243, 454, 240,
+	479, 511, 512, 513, 515, 391, 265, 428, 1342, 1370,
+	372, 568, 569, 314, 392, 0, 0, 0, 1398, 1384,
+	520, 0, 1326, 1401, 1295, 1314, 1411, 1317, 1320, 1363,
+	1273, 1341, 411, 1311, 1266, 1299, 1268, 1306, 1269, 1297,
+	1328, 269, 1294, 1386, 1345, 1400, 362, 266, 1275, 1300,
+	425, 1316, 203, 1365, 481, 251, 373, 370, 575, 281,
+	272, 268, 249, 315, 381, 423, 510, 417, 1407, 366,
+	1351, 0, 491, 396, 0, 0, 0, 1330, 1390, 1339,
+	1377, 1325, 1364, 1283, 1350, 1402, 1312, 1360, 1403, 321,
+	247, 323, 202, 408, 492, 285, 0, 0, 0, 0,
+	0, 709, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 237, 0, 0, 244, 0, 0, 0, 347, 356,
+	355, 336, 337, 339, 341, 346, 353, 359, 1308, 1357,
+	1397, 1309, 1359, 264, 319, 271, 263, 572, 1408, 1389,
+	1272, 1338, 1396, 1333, 0, 0, 228, 1399, 1332, 0,
+	1362, 0, 1414, 1267, 1353, 0, 1270, 1274, 1410, 1394,
+	1303, 274, 0, 0, 0, 0, 0, 0, 0, 1329,
+	1340, 1374, 1378, 1323, 0, 0, 0, 0, 0, 0,
+	3141, 0, 1301, 0, 1349, 0, 0, 0, 1279, 1271,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	4019, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 4027, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 1327, 0, 0, 0, 0, 1282, 0, 1302,
+	1375, 0, 1265, 296, 1276, 397, 256, 0, 448, 1382,
+	1393, 1324, 616, 1395, 1322, 1321, 1369, 1280, 1388, 1315,
+	361, 1278, 328, 197, 224, 0, 1313, 407, 456, 468,
+	1387, 1298, 1307, 252, 1305, 466, 421, 594, 232, 283,
+	453, 427, 464, 435, 286, 1348, 1367, 465, 368, 577,
+	445, 591, 617, 618, 262, 401, 603, 514, 611, 635,
+	225, 259, 415, 499, 597, 488, 393, 573, 574, 327,
+	487, 294, 201, 365, 623, 223, 474, 367, 241, 230,
+	579, 600, 288, 451, 630, 212, 509, 589, 238, 478,
+	0, 0, 638, 246, 498, 214, 586, 497, 389, 324,
+	325, 213, 0, 452, 267, 292, 0, 0, 257, 410,
+	581, 582, 255, 639, 227, 610, 219, 1277, 609, 403,
+	576, 587, 390, 379, 218, 585, 388, 378, 332, 351,
+	352, 279, 305, 442, 371, 443, 304, 306, 399, 398,
+	400, 206, 598, 0, 207, 0, 493, 599, 640, 447,
+	211, 233, 234, 236, 1293, 278, 282, 290, 293, 301,
+	302, 311, 363, 414, 441, 437, 446, 1383, 571, 592,
+	604, 615, 621, 622, 624, 625, 626, 627, 628, 631,
+	629, 402, 309, 489, 331, 369, 1372, 1413, 420, 467,
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+	790, 794, 795, 796, 807, 854, 855, 863, 865, 866,
+	864, 867, 868, 869, 872, 873, 874, 875, 870, 871,
+	876, 770, 774, 771, 772, 773, 785, 775, 776, 777,
+	778, 779, 780, 781, 782, 783, 784, 786, 925, 926,
+	927, 928, 929, 930, 800, 804, 803, 801, 802, 798,
+	799, 826, 825, 827, 828, 829, 830, 831, 832, 834,
+	833, 835, 836, 837, 838, 839, 840, 808, 809, 812,
+	813, 811, 810, 814, 823, 824, 815, 816, 817, 818,
+	819, 820, 822, 821, 841, 842, 843, 844, 845, 847,
+	846, 850, 851, 849, 848, 853, 852, 750, 196, 220,
+	364, 0, 449, 287, 637, 606, 601, 205, 222, 916,
+	261, 917, 0, 0, 921, 0, 0, 0, 923, 922,
+	0, 924, 886, 885, 0, 0, 918, 919, 0, 920,
+	0, 0, 198, 200, 208, 221, 231, 235, 242, 260,
+	275, 277, 284, 297, 308, 316, 317, 320, 326, 376,
+	382, 383, 384, 385, 404, 405, 406, 409, 412, 413,
+	416, 418, 419, 422, 426, 430, 431, 432, 434, 436,
+	438, 450, 455, 469, 470, 471, 472, 473, 476, 477,
+	482, 483, 484, 485, 486, 494, 495, 508, 578, 580,
+	595, 613, 619, 475, 931, 932, 933, 934, 935, 936,
+	937, 938, 298, 590, 620, 588, 632, 614, 433, 374,
+	0, 0, 377, 280, 303, 318, 0, 605, 496, 226,
+	461, 289, 250, 956, 0, 210, 245, 229, 258, 273,
+	276, 322, 387, 395, 424, 429, 295, 270, 243, 454,
+	240, 479, 511, 512, 513, 515, 391, 265, 428, 392,
+	0, 372, 568, 569, 314, 520, 0, 761, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 411, 0, 0,
+	0, 0, 749, 0, 0, 0, 269, 754, 0, 0,
+	0, 362, 266, 0, 0, 425, 0, 203, 0, 481,
+	251, 373, 370, 575, 281, 272, 268, 249, 315, 381,
+	423, 510, 417, 760, 366, 0, 0, 491, 396, 0,
+	0, 0, 0, 0, 756, 757, 0, 0, 0, 0,
+	0, 0, 0, 0, 321, 247, 323, 202, 408, 492,
+	285, 0, 95, 0, 0, 957, 941, 733, 907, 945,
+	958, 959, 960, 961, 946, 0, 237, 947, 948, 244,
+	949, 0, 906, 791, 793, 792, 856, 857, 858, 859,
+	860, 861, 862, 789, 954, 962, 963, 0, 264, 319,
+	271, 263, 572, 0, 0, 0, 0, 0, 0, 0,
+	0, 228, 0, 0, 0, 0, 0, 0, 0, 729,
+	746, 0, 759, 0, 0, 0, 274, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 743, 744, 0, 0, 0, 0, 901,
+	0, 745, 0, 0, 753, 964, 965, 966, 967, 968,
+	969, 970, 971, 972, 973, 974, 975, 976, 977, 978,
+	979, 980, 981, 982, 983, 984, 985, 986, 987, 988,
+	989, 990, 991, 992, 993, 994, 995, 996, 997, 998,
+	999, 1000, 1001, 1002, 1003, 1004, 1005, 3095, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 296, 0,
+	397, 256, 0, 448, 900, 0, 0, 616, 0, 0,
+	898, 0, 0, 0, 0, 361, 0, 328, 197, 224,
+	0, 0, 407, 456, 468, 0, 0, 0, 951, 0,
+	466, 421, 594, 232, 283, 453, 427, 464, 435, 286,
+	0, 0, 465, 368, 577, 445, 591, 617, 618, 262,
+	401, 603, 514, 611, 635, 225, 259, 415, 499, 597,
+	488, 393, 573, 574, 327, 487, 294, 201, 365, 623,
+	223, 474, 367, 241, 230, 579, 600, 288, 451, 630,
+	212, 509, 589, 238, 478, 0, 0, 638, 246, 498,
+	214, 586, 497, 389, 324, 325, 213, 0, 452, 267,
+	292, 0, 0, 257, 410, 952, 953, 255, 639, 797,
+	610, 219, 0, 609, 403, 576, 587, 390, 379, 218,
+	585, 388, 378, 332, 805, 806, 279, 305, 882, 881,
+	880, 304, 306, 878, 879, 877, 206, 598, 0, 207,
+	0, 493, 599, 640, 447, 211, 233, 234, 236, 0,
+	278, 282, 290, 293, 301, 302, 311, 363, 414, 441,
+	437, 446, 0, 571, 592, 604, 615, 621, 622, 624,
+	625, 626, 627, 628, 631, 629, 402, 309, 489, 331,
+	369, 0, 0, 420, 467, 239, 596, 490, 888, 910,
+	899, 765, 766, 889, 890, 914, 891, 768, 769, 911,
+	912, 762, 763, 767, 913, 915, 641, 642, 643, 644,
+	645, 646, 647, 648, 649, 650, 651, 652, 653, 654,
+	655, 656, 657, 658, 636, 500, 506, 501, 502, 503,
+	504, 505, 0, 507, 902, 752, 751, 0, 758, 0,
+	787, 788, 790, 794, 795, 796, 807, 854, 855, 863,
+	865, 866, 864, 867, 868, 869, 872, 873, 874, 875,
+	870, 871, 876, 770, 774, 771, 772, 773, 785, 775,
+	776, 777, 778, 779, 780, 781, 782, 783, 784, 786,
+	925, 926, 927, 928, 929, 930, 800, 804, 803, 801,
+	802, 798, 799, 826, 825, 827, 828, 829, 830, 831,
+	832, 834, 833, 835, 836, 837, 838, 839, 840, 808,
+	809, 812, 813, 811, 810, 814, 823, 824, 815, 816,
+	817, 818, 819, 820, 822, 821, 841, 842, 843, 844,
+	845, 847, 846, 850, 851, 849, 848, 853, 852, 750,
+	196, 220, 364, 0, 449, 287, 637, 606, 601, 205,
+	222, 916, 261, 917, 0, 0, 921, 0, 0, 0,
+	923, 922, 0, 924, 886, 885, 0, 0, 918, 919,
+	0, 920, 0, 0, 198, 200, 208, 221, 231, 235,
+	242, 260, 275, 277, 284, 297, 308, 316, 317, 320,
+	326, 376, 382, 383, 384, 385, 404, 405, 406, 409,
+	412, 413, 416, 418, 419, 422, 426, 430, 431, 432,
+	434, 436, 438, 450, 455, 469, 470, 471, 472, 473,
+	476, 477, 482, 483, 484, 485, 486, 494, 495, 508,
+	578, 580, 595, 613, 619, 475, 931, 932, 933, 934,
+	935, 936, 937, 938, 298, 590, 620, 588, 632, 614,
+	433, 374, 0, 0, 377, 280, 303, 318, 0, 605,
+	496, 226, 461, 289, 250, 956, 0, 210, 245, 229,
+	258, 273, 276, 322, 387, 395, 424, 429, 295, 270,
+	243, 454, 240, 479, 511, 512, 513, 515, 391, 265,
+	428, 392, 0, 372, 568, 569, 314, 520, 0, 761,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 411,
 	0, 0, 0, 0, 749, 0, 0, 0, 269, 754,
 	0, 0, 0, 362, 266, 0, 0, 425, 0, 203,
@@ -3337,13 +4000,13 @@ var yyAct = [...]int{
 	315, 381, 423, 510, 417, 760, 366, 0, 0, 491,
 	396, 0, 0, 0, 0, 0, 756, 757, 0, 0,
 	0, 0, 0, 0, 0, 0, 321, 247, 323, 202,
-	408, 492, 285, 0, 95, 0, 0, 957, 941, 733,
+	408, 492, 285, 0, 95, 0, 0, 957, 941, 1071,
 	907, 945, 958, 959, 960, 961, 946, 0, 237, 947,
 	948, 244, 949, 0, 906, 791, 793, 792, 856, 857,
 	858, 859, 860, 861, 862, 789, 954, 962, 963, 0,
-	264, 319, 271, 263, 572, 0, 0, 2176, 2177, 2178,
+	264, 319, 271, 263, 572, 0, 0, 0, 0, 0,
 	0, 0, 0, 228, 0, 0, 0, 0, 0, 0,
-	0, 729, 746, 0, 759, 0, 0, 0, 274, 0,
+	0, 0, 746, 0, 759, 0, 0, 0, 274, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 743, 744, 0, 0, 0,
 	0, 901, 0, 745, 0, 0, 753, 964, 965, 966,
@@ -3408,14 +4071,14 @@ var yyAct = [...]int{
 	0, 203, 0, 481, 251, 373, 370, 575, 281, 272,
 	268, 249, 315, 381, 423, 510, 417, 760, 366, 0,
 	0, 491, 396, 0, 0, 0, 0, 0, 756, 757,
-	0, 0, 0, 0, 0, 0, 2382, 0, 321, 247,
+	0, 0, 0, 0, 0, 0, 0, 0, 321, 247,
 	323, 202, 408, 492, 285, 0, 95, 0, 0, 957,
-	941, 733, 907, 945, 958, 959, 960, 961, 946, 0,
+	941, 1071, 907, 945, 958, 959, 960, 961, 946, 0,
 	237, 947, 948, 244, 949, 0, 906, 791, 793, 792,
 	856, 857, 858, 859, 860, 861, 862, 789, 954, 962,
-	963, 2383, 264, 319, 271, 263, 572, 0, 0, 0,
+	963, 0, 264, 319, 271, 263, 572, 0, 0, 0,
 	0, 0, 0, 0, 0, 228, 0, 0, 0, 0,
-	0, 0, 0, 729, 746, 0, 759, 0, 0, 0,
+	0, 0, 0, 0, 746, 0, 759, 0, 0, 0,
 	274, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 743, 744, 0,
 	0, 0, 0, 901, 0, 745, 0, 0, 753, 964,
@@ -3423,7 +4086,7 @@ var yyAct = [...]int{
 	975, 976, 977, 978, 979, 980, 981, 982, 983, 984,
 	985, 986, 987, 988, 989, 990, 991, 992, 993, 994,
 	995, 996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004,
-	1005, 755, 0, 0, 0, 0, 0, 0, 0, 0,
+	1005, 2075, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 296, 0, 397, 256, 0, 448, 900, 0,
 	0, 616, 0, 0, 898, 0, 0, 0, 0, 361,
 	0, 328, 197, 224, 0, 0, 407, 456, 468, 0,
@@ -3473,683 +4136,322 @@ var yyAct = [...]int{
 	303, 318, 0, 605, 496, 226, 461, 289, 250, 956,
 	0, 210, 245, 229, 258, 273, 276, 322, 387, 395,
 	424, 429, 295, 270, 243, 454, 240, 479, 511, 512,
-	513, 515, 391, 265, 428, 0, 392, 372, 568, 569,
-	314, 86, 520, 0, 761, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 411, 0, 0, 0, 0, 749,
-	0, 0, 0, 269, 754, 0, 0, 0, 362, 266,
-	0, 0, 425, 0, 203, 0, 481, 251, 373, 370,
-	575, 281, 272, 268, 249, 315, 381, 423, 510, 417,
-	760, 366, 0, 0, 491, 396, 0, 0, 0, 0,
-	0, 756, 757, 0, 0, 0, 0, 0, 0, 0,
-	0, 321, 247, 323, 202, 408, 492, 285, 0, 95,
-	0, 0, 957, 941, 733, 907, 945, 958, 959, 960,
-	961, 946, 0, 237, 947, 948, 244, 949, 0, 906,
-	791, 793, 792, 856, 857, 858, 859, 860, 861, 862,
-	789, 954, 962, 963, 0, 264, 319, 271, 263, 572,
-	0, 0, 0, 0, 0, 0, 0, 0, 228, 0,
-	0, 0, 0, 0, 0, 0, 729, 746, 0, 759,
-	0, 0, 0, 274, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	743, 744, 0, 0, 0, 0, 901, 0, 745, 0,
-	0, 753, 964, 965, 966, 967, 968, 969, 970, 971,
-	972, 973, 974, 975, 976, 977, 978, 979, 980, 981,
-	982, 983, 984, 985, 986, 987, 988, 989, 990, 991,
-	992, 993, 994, 995, 996, 997, 998, 999, 1000, 1001,
-	1002, 1003, 1004, 1005, 755, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 296, 0, 397, 256, 0,
-	448, 900, 0, 0, 616, 0, 0, 898, 0, 0,
-	0, 0, 361, 0, 328, 197, 224, 0, 0, 407,
-	456, 468, 0, 0, 0, 951, 0, 466, 421, 594,
-	232, 283, 453, 427, 464, 435, 286, 0, 0, 465,
-	368, 577, 445, 591, 617, 618, 262, 401, 603, 514,
-	611, 635, 225, 259, 415, 499, 597, 488, 393, 573,
-	574, 327, 487, 294, 201, 365, 623, 223, 474, 367,
-	241, 230, 579, 600, 288, 451, 630, 212, 509, 589,
-	238, 478, 0, 0, 638, 246, 498, 214, 586, 497,
-	389, 324, 325, 213, 0, 452, 267, 292, 0, 0,
-	257, 410, 952, 953, 255, 639, 797, 610, 219, 0,
-	609, 403, 576, 587, 390, 379, 218, 585, 388, 378,
-	332, 805, 806, 279, 305, 882, 881, 880, 304, 306,
-	878, 879, 877, 206, 598, 0, 207, 0, 493, 599,
-	640, 447, 211, 233, 234, 236, 0, 278, 282, 290,
-	293, 301, 302, 311, 363, 414, 441, 437, 446, 0,
-	571, 592, 604, 615, 621, 622, 624, 625, 626, 627,
-	628, 631, 629, 402, 309, 489, 331, 369, 0, 0,
-	420, 467, 239, 596, 490, 888, 910, 899, 765, 766,
-	889, 890, 914, 891, 768, 769, 911, 912, 762, 763,
-	767, 913, 915, 641, 642, 643, 644, 645, 646, 647,
-	648, 649, 650, 651, 652, 653, 654, 655, 656, 657,
-	658, 636, 500, 506, 501, 502, 503, 504, 505, 0,
-	507, 902, 752, 751, 0, 758, 0, 787, 788, 790,
-	794, 795, 796, 807, 854, 855, 863, 865, 866, 864,
-	867, 868, 869, 872, 873, 874, 875, 870, 871, 876,
-	770, 774, 771, 772, 773, 785, 775, 776, 777, 778,
-	779, 780, 781, 782, 783, 784, 786, 925, 926, 927,
-	928, 929, 930, 800, 804, 803, 801, 802, 798, 799,
-	826, 825, 827, 828, 829, 830, 831, 832, 834, 833,
-	835, 836, 837, 838, 839, 840, 808, 809, 812, 813,
-	811, 810, 814, 823, 824, 815, 816, 817, 818, 819,
-	820, 822, 821, 841, 842, 843, 844, 845, 847, 846,
-	850, 851, 849, 848, 853, 852, 750, 196, 220, 364,
-	94, 449, 287, 637, 606, 601, 205, 222, 916, 261,
-	917, 0, 0, 921, 0, 0, 0, 923, 922, 0,
-	924, 886, 885, 0, 0, 918, 919, 0, 920, 0,
-	0, 198, 200, 208, 221, 231, 235, 242, 260, 275,
-	277, 284, 297, 308, 316, 317, 320, 326, 376, 382,
-	383, 384, 385, 404, 405, 406, 409, 412, 413, 416,
-	418, 419, 422, 426, 430, 431, 432, 434, 436, 438,
-	450, 455, 469, 470, 471, 472, 473, 476, 477, 482,
-	483, 484, 485, 486, 494, 495, 508, 578, 580, 595,
-	613, 619, 475, 931, 932, 933, 934, 935, 936, 937,
-	938, 298, 590, 620, 588, 632, 614, 433, 374, 0,
-	0, 377, 280, 303, 318, 0, 605, 496, 226, 461,
-	289, 250, 956, 0, 210, 245, 229, 258, 273, 276,
-	322, 387, 395, 424, 429, 295, 270, 243, 454, 240,
-	479, 511, 512, 513, 515, 391, 265, 428, 392, 0,
-	372, 568, 569, 314, 520, 0, 761, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 411, 0, 0, 0,
-	0, 749, 0, 0, 0, 269, 754, 0, 0, 0,
-	362, 266, 0, 0, 425, 0, 203, 0, 481, 251,
-	373, 370, 575, 281, 272, 268, 249, 315, 381, 423,
-	510, 417, 760, 366, 0, 0, 491, 396, 0, 0,
-	0, 0, 0, 756, 757, 0, 0, 0, 0, 0,
-	0, 0, 0, 321, 247, 323, 202, 408, 492, 285,
-	0, 95, 0, 0, 957, 941, 733, 907, 945, 958,
-	959, 960, 961, 946, 0, 237, 947, 948, 244, 949,
-	0, 906, 791, 793, 792, 856, 857, 858, 859, 860,
-	861, 862, 789, 954, 962, 963, 0, 264, 319, 271,
-	263, 572, 0, 0, 0, 0, 0, 0, 0, 0,
-	228, 0, 0, 0, 0, 0, 0, 0, 729, 746,
-	0, 759, 0, 0, 0, 274, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 743, 744, 0, 0, 0, 0, 901, 0,
-	745, 0, 0, 753, 964, 965, 966, 967, 968, 969,
-	970, 971, 972, 973, 974, 975, 976, 977, 978, 979,
-	980, 981, 982, 983, 984, 985, 986, 987, 988, 989,
-	990, 991, 992, 993, 994, 995, 996, 997, 998, 999,
-	1000, 1001, 1002, 1003, 1004, 1005, 755, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 296, 0, 397,
-	256, 0, 448, 900, 0, 0, 616, 0, 0, 898,
-	0, 0, 0, 0, 361, 0, 328, 197, 224, 0,
-	0, 407, 456, 468, 0, 0, 0, 951, 0, 466,
-	421, 594, 232, 283, 453, 427, 464, 435, 286, 3987,
-	0, 465, 368, 577, 445, 591, 617, 618, 262, 401,
-	603, 514, 611, 635, 225, 259, 415, 499, 597, 488,
-	393, 573, 574, 327, 487, 294, 201, 365, 623, 223,
-	474, 367, 241, 230, 579, 600, 288, 451, 630, 212,
-	509, 589, 238, 478, 0, 0, 638, 246, 498, 214,
-	586, 497, 389, 324, 325, 213, 0, 452, 267, 292,
-	0, 0, 257, 410, 952, 953, 255, 639, 797, 610,
-	219, 0, 609, 403, 576, 587, 390, 379, 218, 585,
-	388, 378, 332, 805, 806, 279, 305, 882, 881, 880,
-	304, 306, 878, 879, 877, 206, 598, 0, 207, 0,
-	493, 599, 640, 447, 211, 233, 234, 236, 0, 278,
-	282, 290, 293, 301, 302, 311, 363, 414, 441, 437,
-	446, 0, 571, 592, 604, 615, 621, 622, 624, 625,
-	626, 627, 628, 631, 629, 402, 309, 489, 331, 369,
-	0, 0, 420, 467, 239, 596, 490, 888, 910, 899,
-	765, 766, 889, 890, 914, 891, 768, 769, 911, 912,
-	762, 763, 767, 913, 915, 641, 642, 643, 644, 645,
-	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
-	656, 657, 658, 636, 500, 506, 501, 502, 503, 504,
-	505, 0, 507, 902, 752, 751, 0, 758, 0, 787,
-	788, 790, 794, 795, 796, 807, 854, 855, 863, 865,
-	866, 864, 867, 868, 869, 872, 873, 874, 875, 870,
-	871, 876, 770, 774, 771, 772, 773, 785, 775, 776,
-	777, 778, 779, 780, 781, 782, 783, 784, 786, 925,
-	926, 927, 928, 929, 930, 800, 804, 803, 801, 802,
-	798, 799, 826, 825, 827, 828, 829, 830, 831, 832,
-	834, 833, 835, 836, 837, 838, 839, 840, 808, 809,
-	812, 813, 811, 810, 814, 823, 824, 815, 816, 817,
-	818, 819, 820, 822, 821, 841, 842, 843, 844, 845,
-	847, 846, 850, 851, 849, 848, 853, 852, 750, 196,
-	220, 364, 0, 449, 287, 637, 606, 601, 205, 222,
-	916, 261, 917, 0, 0, 921, 0, 0, 0, 923,
-	922, 0, 924, 886, 885, 0, 0, 918, 919, 0,
-	920, 0, 0, 198, 200, 208, 221, 231, 235, 242,
-	260, 275, 277, 284, 297, 308, 316, 317, 320, 326,
-	376, 382, 383, 384, 385, 404, 405, 406, 409, 412,
-	413, 416, 418, 419, 422, 426, 430, 431, 432, 434,
-	436, 438, 450, 455, 469, 470, 471, 472, 473, 476,
-	477, 482, 483, 484, 485, 486, 494, 495, 508, 578,
-	580, 595, 613, 619, 475, 931, 932, 933, 934, 935,
-	936, 937, 938, 298, 590, 620, 588, 632, 614, 433,
-	374, 0, 0, 377, 280, 303, 318, 0, 605, 496,
-	226, 461, 289, 250, 956, 0, 210, 245, 229, 258,
-	273, 276, 322, 387, 395, 424, 429, 295, 270, 243,
-	454, 240, 479, 511, 512, 513, 515, 391, 265, 428,
-	392, 0, 372, 568, 569, 314, 520, 0, 761, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 411, 0,
-	0, 0, 0, 749, 0, 0, 0, 269, 754, 0,
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+	0, 0, 0, 0, 0, 0, 0, 0, 296, 0,
+	397, 256, 0, 448, 0, 0, 0, 616, 0, 0,
+	0, 0, 0, 0, 0, 361, 0, 328, 197, 224,
+	0, 0, 407, 456, 468, 0, 0, 0, 252, 0,
+	466, 421, 594, 232, 283, 453, 427, 464, 435, 286,
+	0, 0, 465, 368, 577, 445, 591, 617, 618, 262,
+	401, 603, 514, 611, 635, 225, 259, 415, 499, 597,
+	488, 393, 573, 574, 327, 487, 294, 201, 365, 623,
+	223, 474, 367, 241, 230, 579, 600, 288, 451, 630,
+	212, 509, 589, 238, 478, 0, 0, 638, 246, 498,
+	214, 586, 497, 389, 324, 325, 213, 0, 452, 267,
+	292, 0, 0, 257, 410, 581, 582, 255, 639, 227,
+	610, 219, 0, 609, 403, 576, 587, 390, 379, 218,
+	585, 388, 378, 332, 351, 352, 279, 305, 442, 371,
+	443, 304, 306, 399, 398, 400, 206, 598, 0, 207,
+	0, 493, 599, 640, 447, 211, 233, 234, 236, 0,
+	278, 282, 290, 293, 301, 302, 311, 363, 414, 441,
+	437, 446, 0, 571, 592, 604, 615, 621, 622, 624,
+	625, 626, 627, 628, 631, 629, 402, 309, 489, 331,
+	369, 0, 0, 420, 467, 239, 596, 490, 199, 0,
+	0, 0, 0, 253, 254, 0, 567, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 641, 642, 643, 644,
+	645, 646, 647, 648, 649, 650, 651, 652, 653, 654,
+	655, 656, 657, 658, 636, 500, 506, 501, 502, 503,
+	504, 505, 0, 507, 0, 0, 0, 0, 0, 0,
+	583, 584, 659, 380, 480, 593, 333, 345, 348, 338,
+	357, 0, 358, 334, 335, 340, 342, 343, 344, 349,
+	350, 354, 360, 248, 209, 386, 394, 570, 310, 215,
+	216, 217, 516, 517, 518, 519, 607, 608, 612, 204,
+	457, 458, 459, 460, 291, 602, 307, 463, 462, 329,
+	330, 375, 444, 532, 534, 545, 549, 551, 553, 559,
+	562, 533, 535, 546, 550, 552, 554, 560, 563, 522,
+	524, 526, 528, 541, 540, 537, 565, 566, 543, 548,
+	527, 539, 544, 557, 564, 561, 521, 525, 529, 538,
+	556, 555, 536, 547, 558, 542, 530, 523, 531, 0,
+	196, 220, 364, 0, 449, 287, 637, 606, 601, 205,
+	222, 0, 261, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 198, 200, 208, 221, 231, 235,
+	242, 260, 275, 277, 284, 297, 308, 316, 317, 320,
+	326, 376, 382, 383, 384, 385, 404, 405, 406, 409,
+	412, 413, 416, 418, 419, 422, 426, 430, 431, 432,
+	434, 436, 438, 450, 455, 469, 470, 471, 472, 473,
+	476, 477, 482, 483, 484, 485, 486, 494, 495, 508,
+	578, 580, 595, 613, 619, 475, 299, 300, 439, 440,
+	312, 313, 633, 634, 298, 590, 620, 588, 632, 614,
+	433, 374, 0, 0, 377, 280, 303, 318, 0, 605,
+	496, 226, 461, 289, 250, 0, 0, 210, 245, 229,
+	258, 273, 276, 322, 387, 395, 424, 429, 295, 270,
+	243, 454, 240, 479, 511, 512, 513, 515, 391, 265,
+	428, 0, 392, 372, 568, 569, 314, 86, 520, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	411, 0, 0, 0, 0, 0, 0, 0, 0, 269,
+	0, 0, 0, 0, 362, 266, 0, 0, 425, 0,
 	203, 0, 481, 251, 373, 370, 575, 281, 272, 268,
-	249, 315, 381, 423, 510, 417, 760, 366, 0, 0,
-	491, 396, 0, 0, 0, 0, 0, 756, 757, 0,
+	249, 315, 381, 423, 510, 417, 0, 366, 0, 0,
+	491, 396, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 321, 247, 323,
-	202, 408, 492, 285, 0, 95, 0, 0, 957, 941,
-	1070, 907, 945, 958, 959, 960, 961, 946, 0, 237,
-	947, 948, 244, 949, 0, 906, 791, 793, 792, 856,
-	857, 858, 859, 860, 861, 862, 789, 954, 962, 963,
+	202, 408, 492, 285, 0, 95, 0, 0, 0, 194,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 237,
+	0, 0, 244, 0, 0, 0, 347, 356, 355, 336,
+	337, 339, 341, 346, 353, 359, 0, 0, 0, 0,
 	0, 264, 319, 271, 263, 572, 0, 0, 0, 0,
 	0, 0, 0, 0, 228, 0, 0, 0, 0, 0,
-	0, 0, 0, 746, 0, 759, 0, 0, 0, 274,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 274,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 743, 744, 0, 0,
-	0, 0, 901, 0, 745, 0, 0, 753, 964, 965,
-	966, 967, 968, 969, 970, 971, 972, 973, 974, 975,
-	976, 977, 978, 979, 980, 981, 982, 983, 984, 985,
-	986, 987, 988, 989, 990, 991, 992, 993, 994, 995,
-	996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005,
-	2070, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 296, 0, 397, 256, 0, 448, 900, 0, 0,
-	616, 0, 0, 898, 0, 0, 0, 0, 361, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 296, 0, 397, 256, 0, 448, 0, 0, 0,
+	616, 0, 0, 0, 0, 0, 0, 0, 361, 0,
 	328, 197, 224, 0, 0, 407, 456, 468, 0, 0,
-	0, 951, 0, 466, 421, 594, 232, 283, 453, 427,
+	0, 252, 0, 466, 421, 594, 232, 283, 453, 427,
 	464, 435, 286, 0, 0, 465, 368, 577, 445, 591,
 	617, 618, 262, 401, 603, 514, 611, 635, 225, 259,
 	415, 499, 597, 488, 393, 573, 574, 327, 487, 294,
 	201, 365, 623, 223, 474, 367, 241, 230, 579, 600,
 	288, 451, 630, 212, 509, 589, 238, 478, 0, 0,
 	638, 246, 498, 214, 586, 497, 389, 324, 325, 213,
-	0, 452, 267, 292, 0, 0, 257, 410, 952, 953,
-	255, 639, 797, 610, 219, 0, 609, 403, 576, 587,
-	390, 379, 218, 585, 388, 378, 332, 805, 806, 279,
-	305, 882, 881, 880, 304, 306, 878, 879, 877, 206,
+	0, 452, 267, 292, 0, 0, 257, 410, 581, 582,
+	255, 639, 227, 610, 219, 0, 609, 403, 576, 587,
+	390, 379, 218, 585, 388, 378, 332, 351, 352, 279,
+	305, 442, 371, 443, 304, 306, 399, 398, 400, 206,
 	598, 0, 207, 0, 493, 599, 640, 447, 211, 233,
 	234, 236, 0, 278, 282, 290, 293, 301, 302, 311,
 	363, 414, 441, 437, 446, 0, 571, 592, 604, 615,
 	621, 622, 624, 625, 626, 627, 628, 631, 629, 402,
 	309, 489, 331, 369, 0, 0, 420, 467, 239, 596,
-	490, 888, 910, 899, 765, 766, 889, 890, 914, 891,
-	768, 769, 911, 912, 762, 763, 767, 913, 915, 641,
+	490, 199, 0, 0, 0, 0, 253, 254, 0, 567,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 641,
 	642, 643, 644, 645, 646, 647, 648, 649, 650, 651,
 	652, 653, 654, 655, 656, 657, 658, 636, 500, 506,
-	501, 502, 503, 504, 505, 0, 507, 902, 752, 751,
-	0, 758, 0, 787, 788, 790, 794, 795, 796, 807,
-	854, 855, 863, 865, 866, 864, 867, 868, 869, 872,
-	873, 874, 875, 870, 871, 876, 770, 774, 771, 772,
-	773, 785, 775, 776, 777, 778, 779, 780, 781, 782,
-	783, 784, 786, 925, 926, 927, 928, 929, 930, 800,
-	804, 803, 801, 802, 798, 799, 826, 825, 827, 828,
-	829, 830, 831, 832, 834, 833, 835, 836, 837, 838,
-	839, 840, 808, 809, 812, 813, 811, 810, 814, 823,
-	824, 815, 816, 817, 818, 819, 820, 822, 821, 841,
-	842, 843, 844, 845, 847, 846, 850, 851, 849, 848,
-	853, 852, 750, 196, 220, 364, 0, 449, 287, 637,
-	606, 601, 205, 222, 916, 261, 917, 0, 0, 921,
-	0, 0, 0, 923, 922, 0, 924, 886, 885, 0,
-	0, 918, 919, 0, 920, 0, 0, 198, 200, 208,
+	501, 502, 503, 504, 505, 0, 507, 0, 0, 0,
+	0, 0, 0, 583, 584, 659, 380, 480, 593, 333,
+	345, 348, 338, 357, 0, 358, 334, 335, 340, 342,
+	343, 344, 349, 350, 354, 360, 248, 209, 386, 394,
+	570, 310, 215, 216, 217, 516, 517, 518, 519, 607,
+	608, 612, 204, 457, 458, 459, 460, 291, 602, 307,
+	463, 462, 329, 330, 375, 444, 532, 534, 545, 549,
+	551, 553, 559, 562, 533, 535, 546, 550, 552, 554,
+	560, 563, 522, 524, 526, 528, 541, 540, 537, 565,
+	566, 543, 548, 527, 539, 544, 557, 564, 561, 521,
+	525, 529, 538, 556, 555, 536, 547, 558, 542, 530,
+	523, 531, 0, 196, 220, 364, 94, 449, 287, 637,
+	606, 601, 205, 222, 0, 261, 0, 0, 0, 0,
+	0, 0, 2376, 0, 0, 2375, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 198, 200, 208,
 	221, 231, 235, 242, 260, 275, 277, 284, 297, 308,
 	316, 317, 320, 326, 376, 382, 383, 384, 385, 404,
 	405, 406, 409, 412, 413, 416, 418, 419, 422, 426,
 	430, 431, 432, 434, 436, 438, 450, 455, 469, 470,
 	471, 472, 473, 476, 477, 482, 483, 484, 485, 486,
-	494, 495, 508, 578, 580, 595, 613, 619, 475, 931,
-	932, 933, 934, 935, 936, 937, 938, 298, 590, 620,
+	494, 495, 508, 578, 580, 595, 613, 619, 475, 299,
+	300, 439, 440, 312, 313, 633, 634, 298, 590, 620,
 	588, 632, 614, 433, 374, 0, 0, 377, 280, 303,
-	318, 0, 605, 496, 226, 461, 289, 250, 956, 0,
+	318, 0, 605, 496, 226, 461, 289, 250, 0, 0,
 	210, 245, 229, 258, 273, 276, 322, 387, 395, 424,
 	429, 295, 270, 243, 454, 240, 479, 511, 512, 513,
-	515, 391, 265, 428, 392, 0, 372, 568, 569, 314,
-	520, 0, 761, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 411, 0, 0, 0, 0, 749, 0, 0,
-	0, 269, 754, 0, 0, 0, 362, 266, 0, 0,
+	515, 391, 265, 428, 1740, 0, 372, 568, 569, 314,
+	520, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 411, 0, 0, 0, 1742, 0, 0, 0,
+	0, 269, 0, 0, 0, 0, 362, 266, 0, 0,
 	425, 0, 203, 0, 481, 251, 373, 370, 575, 281,
-	272, 268, 249, 315, 381, 423, 510, 417, 760, 366,
-	0, 0, 491, 396, 0, 0, 0, 0, 0, 756,
-	757, 0, 0, 0, 0, 0, 0, 0, 0, 321,
-	247, 323, 202, 408, 492, 285, 0, 95, 0, 0,
-	957, 941, 1070, 907, 945, 958, 959, 960, 961, 946,
-	0, 237, 947, 948, 244, 949, 0, 906, 791, 793,
-	792, 856, 857, 858, 859, 860, 861, 862, 789, 954,
-	962, 963, 0, 264, 319, 271, 263, 572, 0, 0,
+	272, 268, 249, 315, 381, 423, 510, 417, 0, 366,
+	0, 0, 491, 396, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 321,
+	247, 323, 202, 408, 492, 285, 0, 0, 0, 0,
+	1744, 709, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 237, 0, 0, 244, 0, 0, 0, 347, 356,
+	355, 336, 337, 339, 341, 346, 353, 359, 0, 0,
+	0, 0, 0, 264, 319, 271, 263, 572, 0, 0,
 	0, 0, 0, 0, 0, 0, 228, 0, 0, 0,
-	0, 0, 0, 0, 0, 746, 0, 759, 0, 0,
+	1452, 0, 1453, 1454, 0, 0, 0, 0, 0, 0,
 	0, 274, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 743, 744,
-	0, 0, 0, 0, 901, 0, 745, 0, 0, 753,
-	964, 965, 966, 967, 968, 969, 970, 971, 972, 973,
-	974, 975, 976, 977, 978, 979, 980, 981, 982, 983,
-	984, 985, 986, 987, 988, 989, 990, 991, 992, 993,
-	994, 995, 996, 997, 998, 999, 1000, 1001, 1002, 1003,
-	1004, 1005, 2068, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 296, 0, 397, 256, 0, 448, 900,
-	0, 0, 616, 0, 0, 898, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 296, 0, 397, 256, 0, 448, 0,
+	0, 0, 616, 0, 0, 0, 0, 0, 0, 0,
 	361, 0, 328, 197, 224, 0, 0, 407, 456, 468,
-	0, 0, 0, 951, 0, 466, 421, 594, 232, 283,
+	0, 0, 0, 252, 0, 466, 421, 594, 232, 283,
 	453, 427, 464, 435, 286, 0, 0, 465, 368, 577,
 	445, 591, 617, 618, 262, 401, 603, 514, 611, 635,
 	225, 259, 415, 499, 597, 488, 393, 573, 574, 327,
@@ -4157,198 +4459,198 @@ var yyAct = [...]int{
 	579, 600, 288, 451, 630, 212, 509, 589, 238, 478,
 	0, 0, 638, 246, 498, 214, 586, 497, 389, 324,
 	325, 213, 0, 452, 267, 292, 0, 0, 257, 410,
-	952, 953, 255, 639, 797, 610, 219, 0, 609, 403,
-	576, 587, 390, 379, 218, 585, 388, 378, 332, 805,
-	806, 279, 305, 882, 881, 880, 304, 306, 878, 879,
-	877, 206, 598, 0, 207, 0, 493, 599, 640, 447,
+	581, 582, 255, 639, 227, 610, 219, 0, 609, 403,
+	576, 587, 390, 379, 218, 585, 388, 378, 332, 351,
+	352, 279, 305, 442, 371, 443, 304, 306, 399, 398,
+	400, 206, 598, 0, 207, 0, 493, 599, 640, 447,
 	211, 233, 234, 236, 0, 278, 282, 290, 293, 301,
 	302, 311, 363, 414, 441, 437, 446, 0, 571, 592,
 	604, 615, 621, 622, 624, 625, 626, 627, 628, 631,
 	629, 402, 309, 489, 331, 369, 0, 0, 420, 467,
-	239, 596, 490, 888, 910, 899, 765, 766, 889, 890,
-	914, 891, 768, 769, 911, 912, 762, 763, 767, 913,
-	915, 641, 642, 643, 644, 645, 646, 647, 648, 649,
+	239, 596, 490, 199, 0, 0, 0, 0, 253, 254,
+	0, 567, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 641, 642, 643, 644, 645, 646, 647, 648, 649,
 	650, 651, 652, 653, 654, 655, 656, 657, 658, 636,
-	500, 506, 501, 502, 503, 504, 505, 0, 507, 902,
-	752, 751, 0, 758, 0, 787, 788, 790, 794, 795,
-	796, 807, 854, 855, 863, 865, 866, 864, 867, 868,
-	869, 872, 873, 874, 875, 870, 871, 876, 770, 774,
-	771, 772, 773, 785, 775, 776, 777, 778, 779, 780,
-	781, 782, 783, 784, 786, 925, 926, 927, 928, 929,
-	930, 800, 804, 803, 801, 802, 798, 799, 826, 825,
-	827, 828, 829, 830, 831, 832, 834, 833, 835, 836,
-	837, 838, 839, 840, 808, 809, 812, 813, 811, 810,
-	814, 823, 824, 815, 816, 817, 818, 819, 820, 822,
-	821, 841, 842, 843, 844, 845, 847, 846, 850, 851,
-	849, 848, 853, 852, 750, 196, 220, 364, 0, 449,
-	287, 637, 606, 601, 205, 222, 916, 261, 917, 0,
-	0, 921, 0, 0, 0, 923, 922, 0, 924, 886,
-	885, 0, 0, 918, 919, 0, 920, 0, 0, 198,
+	500, 506, 501, 502, 503, 504, 505, 0, 507, 0,
+	0, 0, 0, 0, 0, 583, 584, 659, 380, 480,
+	593, 333, 345, 348, 338, 357, 0, 358, 334, 335,
+	340, 342, 343, 344, 349, 350, 354, 360, 248, 209,
+	386, 394, 570, 310, 215, 216, 217, 516, 517, 518,
+	519, 607, 608, 612, 204, 457, 458, 459, 460, 291,
+	602, 307, 463, 462, 329, 330, 375, 444, 532, 534,
+	545, 549, 551, 553, 559, 562, 533, 535, 546, 550,
+	552, 554, 560, 563, 522, 524, 526, 528, 541, 540,
+	537, 565, 566, 543, 548, 527, 539, 544, 557, 564,
+	561, 521, 525, 529, 538, 556, 555, 536, 547, 558,
+	542, 530, 523, 531, 0, 196, 220, 364, 0, 449,
+	287, 637, 606, 601, 205, 222, 0, 261, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 198,
 	200, 208, 221, 231, 235, 242, 260, 275, 277, 284,
 	297, 308, 316, 317, 320, 326, 376, 382, 383, 384,
 	385, 404, 405, 406, 409, 412, 413, 416, 418, 419,
 	422, 426, 430, 431, 432, 434, 436, 438, 450, 455,
 	469, 470, 471, 472, 473, 476, 477, 482, 483, 484,
 	485, 486, 494, 495, 508, 578, 580, 595, 613, 619,
-	475, 931, 932, 933, 934, 935, 936, 937, 938, 298,
+	475, 299, 300, 439, 440, 312, 313, 633, 634, 298,
 	590, 620, 588, 632, 614, 433, 374, 0, 0, 377,
 	280, 303, 318, 0, 605, 496, 226, 461, 289, 250,
-	956, 0, 210, 245, 229, 258, 273, 276, 322, 387,
+	0, 0, 210, 245, 229, 258, 273, 276, 322, 387,
 	395, 424, 429, 295, 270, 243, 454, 240, 479, 511,
-	512, 513, 515, 391, 265, 428, 392, 0, 372, 568,
-	569, 314, 520, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 411, 0, 0, 0, 0, 0,
-	0, 0, 0, 269, 0, 0, 0, 0, 362, 266,
-	0, 0, 425, 0, 203, 0, 481, 251, 373, 370,
-	575, 281, 272, 268, 249, 315, 381, 423, 510, 417,
-	0, 366, 0, 0, 491, 396, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 321, 247, 323, 202, 408, 492, 285, 0, 0,
-	0, 0, 0, 709, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 237, 0, 0, 244, 0, 0, 0,
-	347, 356, 355, 336, 337, 339, 341, 346, 353, 359,
-	0, 0, 0, 0, 0, 264, 319, 271, 263, 572,
-	0, 0, 0, 0, 0, 0, 0, 0, 228, 0,
-	1121, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 274, 0, 0, 0, 0, 0, 0,
+	512, 513, 515, 391, 265, 428, 0, 392, 372, 568,
+	569, 314, 86, 520, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 411, 0, 0, 0, 0,
+	0, 0, 0, 0, 269, 0, 0, 0, 0, 362,
+	266, 0, 0, 425, 0, 203, 0, 481, 251, 373,
+	370, 575, 281, 272, 268, 249, 315, 381, 423, 510,
+	417, 0, 366, 0, 0, 491, 396, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 321, 247, 323, 202, 408, 492, 285, 0,
+	95, 0, 1717, 0, 709, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 237, 0, 0, 244, 0, 0,
+	0, 347, 356, 355, 336, 337, 339, 341, 346, 353,
+	359, 0, 0, 0, 0, 0, 264, 319, 271, 263,
+	572, 0, 0, 0, 0, 0, 0, 0, 0, 228,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 274, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 296, 0, 397, 256, 0,
-	448, 0, 0, 1120, 616, 0, 0, 0, 0, 0,
-	1117, 1118, 361, 1078, 328, 197, 224, 1111, 1115, 407,
-	456, 468, 0, 0, 0, 252, 0, 466, 421, 594,
-	232, 283, 453, 427, 464, 435, 286, 0, 0, 465,
-	368, 577, 445, 591, 617, 618, 262, 401, 603, 514,
-	611, 635, 225, 259, 415, 499, 597, 488, 393, 573,
-	574, 327, 487, 294, 201, 365, 623, 223, 474, 367,
-	241, 230, 579, 600, 288, 451, 630, 212, 509, 589,
-	238, 478, 0, 0, 638, 246, 498, 214, 586, 497,
-	389, 324, 325, 213, 0, 452, 267, 292, 0, 0,
-	257, 410, 581, 582, 255, 639, 227, 610, 219, 0,
-	609, 403, 576, 587, 390, 379, 218, 585, 388, 378,
-	332, 351, 352, 279, 305, 442, 371, 443, 304, 306,
-	399, 398, 400, 206, 598, 0, 207, 0, 493, 599,
-	640, 447, 211, 233, 234, 236, 0, 278, 282, 290,
-	293, 301, 302, 311, 363, 414, 441, 437, 446, 0,
-	571, 592, 604, 615, 621, 622, 624, 625, 626, 627,
-	628, 631, 629, 402, 309, 489, 331, 369, 0, 0,
-	420, 467, 239, 596, 490, 199, 0, 0, 0, 0,
-	253, 254, 0, 567, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 641, 642, 643, 644, 645, 646, 647,
-	648, 649, 650, 651, 652, 653, 654, 655, 656, 657,
-	658, 636, 500, 506, 501, 502, 503, 504, 505, 0,
-	507, 0, 0, 0, 0, 0, 0, 583, 584, 659,
-	380, 480, 593, 333, 345, 348, 338, 357, 0, 358,
-	334, 335, 340, 342, 343, 344, 349, 350, 354, 360,
-	248, 209, 386, 394, 570, 310, 215, 216, 217, 516,
-	517, 518, 519, 607, 608, 612, 204, 457, 458, 459,
-	460, 291, 602, 307, 463, 462, 329, 330, 375, 444,
-	532, 534, 545, 549, 551, 553, 559, 562, 533, 535,
-	546, 550, 552, 554, 560, 563, 522, 524, 526, 528,
-	541, 540, 537, 565, 566, 543, 548, 527, 539, 544,
-	557, 564, 561, 521, 525, 529, 538, 556, 555, 536,
-	547, 558, 542, 530, 523, 531, 0, 196, 220, 364,
-	0, 449, 287, 637, 606, 601, 205, 222, 0, 261,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 198, 200, 208, 221, 231, 235, 242, 260, 275,
-	277, 284, 297, 308, 316, 317, 320, 326, 376, 382,
-	383, 384, 385, 404, 405, 406, 409, 412, 413, 416,
-	418, 419, 422, 426, 430, 431, 432, 434, 436, 438,
-	450, 455, 469, 470, 471, 472, 473, 476, 477, 482,
-	483, 484, 485, 486, 494, 495, 508, 578, 580, 595,
-	613, 619, 475, 299, 300, 439, 440, 312, 313, 633,
-	634, 298, 590, 620, 588, 632, 614, 433, 374, 0,
-	0, 377, 280, 303, 318, 0, 605, 496, 226, 461,
-	289, 250, 0, 0, 210, 245, 229, 258, 273, 276,
-	322, 387, 395, 424, 429, 295, 270, 243, 454, 240,
-	479, 511, 512, 513, 515, 391, 265, 428, 392, 0,
-	372, 568, 569, 314, 520, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 411, 0, 0, 0,
-	0, 0, 0, 0, 0, 269, 0, 0, 0, 0,
-	362, 266, 0, 0, 425, 0, 203, 0, 481, 251,
-	373, 370, 575, 281, 272, 268, 249, 315, 381, 423,
-	510, 417, 0, 366, 0, 0, 491, 396, 0, 0,
+	0, 0, 0, 0, 0, 0, 296, 0, 397, 256,
+	0, 448, 0, 0, 0, 616, 0, 0, 0, 0,
+	0, 0, 0, 361, 0, 328, 197, 224, 0, 0,
+	407, 456, 468, 0, 0, 0, 252, 0, 466, 421,
+	594, 232, 283, 453, 427, 464, 435, 286, 0, 0,
+	465, 368, 577, 445, 591, 617, 618, 262, 401, 603,
+	514, 611, 635, 225, 259, 415, 499, 597, 488, 393,
+	573, 574, 327, 487, 294, 201, 365, 623, 223, 474,
+	367, 241, 230, 579, 600, 288, 451, 630, 212, 509,
+	589, 238, 478, 0, 0, 638, 246, 498, 214, 586,
+	497, 389, 324, 325, 213, 0, 452, 267, 292, 0,
+	0, 257, 410, 581, 582, 255, 639, 227, 610, 219,
+	0, 609, 403, 576, 587, 390, 379, 218, 585, 388,
+	378, 332, 351, 352, 279, 305, 442, 371, 443, 304,
+	306, 399, 398, 400, 206, 598, 0, 207, 0, 493,
+	599, 640, 447, 211, 233, 234, 236, 0, 278, 282,
+	290, 293, 301, 302, 311, 363, 414, 441, 437, 446,
+	0, 571, 592, 604, 615, 621, 622, 624, 625, 626,
+	627, 628, 631, 629, 402, 309, 489, 331, 369, 0,
+	0, 420, 467, 239, 596, 490, 199, 0, 0, 0,
+	0, 253, 254, 0, 567, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 641, 642, 643, 644, 645, 646,
+	647, 648, 649, 650, 651, 652, 653, 654, 655, 656,
+	657, 658, 636, 500, 506, 501, 502, 503, 504, 505,
+	0, 507, 0, 0, 0, 0, 0, 0, 583, 584,
+	659, 380, 480, 593, 333, 345, 348, 338, 357, 0,
+	358, 334, 335, 340, 342, 343, 344, 349, 350, 354,
+	360, 248, 209, 386, 394, 570, 310, 215, 216, 217,
+	516, 517, 518, 519, 607, 608, 612, 204, 457, 458,
+	459, 460, 291, 602, 307, 463, 462, 329, 330, 375,
+	444, 532, 534, 545, 549, 551, 553, 559, 562, 533,
+	535, 546, 550, 552, 554, 560, 563, 522, 524, 526,
+	528, 541, 540, 537, 565, 566, 543, 548, 527, 539,
+	544, 557, 564, 561, 521, 525, 529, 538, 556, 555,
+	536, 547, 558, 542, 530, 523, 531, 0, 196, 220,
+	364, 94, 449, 287, 637, 606, 601, 205, 222, 0,
+	261, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 321, 247, 323, 202, 408, 492, 285,
-	0, 0, 0, 0, 1678, 941, 0, 0, 1675, 0,
-	0, 0, 0, 1673, 0, 237, 1674, 1672, 244, 1677,
-	0, 906, 347, 356, 355, 336, 337, 339, 341, 346,
-	353, 359, 0, 0, 0, 0, 0, 264, 319, 271,
-	263, 572, 0, 0, 0, 0, 0, 0, 0, 0,
-	228, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 274, 0, 0, 0, 0,
+	0, 0, 198, 200, 208, 221, 231, 235, 242, 260,
+	275, 277, 284, 297, 308, 316, 317, 320, 326, 376,
+	382, 383, 384, 385, 404, 405, 406, 409, 412, 413,
+	416, 418, 419, 422, 426, 430, 431, 432, 434, 436,
+	438, 450, 455, 469, 470, 471, 472, 473, 476, 477,
+	482, 483, 484, 485, 486, 494, 495, 508, 578, 580,
+	595, 613, 619, 475, 299, 300, 439, 440, 312, 313,
+	633, 634, 298, 590, 620, 588, 632, 614, 433, 374,
+	0, 0, 377, 280, 303, 318, 0, 605, 496, 226,
+	461, 289, 250, 0, 0, 210, 245, 229, 258, 273,
+	276, 322, 387, 395, 424, 429, 295, 270, 243, 454,
+	240, 479, 511, 512, 513, 515, 391, 265, 428, 392,
+	0, 372, 568, 569, 314, 520, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 411, 0, 0,
+	0, 0, 0, 0, 0, 0, 269, 0, 0, 0,
+	0, 362, 266, 0, 0, 425, 0, 203, 0, 481,
+	251, 373, 370, 575, 281, 272, 268, 249, 315, 381,
+	423, 510, 417, 0, 366, 0, 0, 491, 396, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 321, 247, 323, 202, 408, 492,
+	285, 0, 95, 0, 0, 0, 194, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 237, 0, 0, 244,
+	0, 0, 0, 347, 356, 355, 336, 337, 339, 341,
+	346, 353, 359, 0, 0, 0, 0, 0, 264, 319,
+	271, 263, 572, 0, 0, 0, 0, 0, 0, 0,
+	0, 228, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 274, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 296, 0, 397,
-	256, 0, 448, 0, 0, 0, 616, 0, 0, 0,
-	0, 0, 0, 0, 361, 0, 328, 197, 224, 0,
-	0, 407, 456, 468, 0, 0, 0, 252, 0, 466,
-	421, 594, 232, 283, 453, 427, 464, 435, 286, 0,
-	0, 465, 368, 577, 445, 591, 617, 618, 262, 401,
-	603, 514, 611, 635, 225, 259, 415, 499, 597, 488,
-	393, 573, 574, 327, 487, 294, 201, 365, 623, 223,
-	474, 367, 241, 230, 579, 600, 288, 451, 630, 212,
-	509, 589, 238, 478, 0, 0, 638, 246, 498, 214,
-	586, 497, 389, 324, 325, 213, 0, 452, 267, 292,
-	0, 0, 257, 410, 581, 582, 255, 639, 227, 610,
-	219, 0, 609, 403, 576, 587, 390, 379, 218, 585,
-	388, 378, 332, 351, 352, 279, 305, 442, 371, 443,
-	304, 306, 399, 398, 400, 206, 598, 0, 207, 0,
-	493, 599, 640, 447, 211, 233, 234, 236, 0, 278,
-	282, 290, 293, 301, 302, 311, 363, 414, 441, 437,
-	446, 0, 571, 592, 604, 615, 621, 622, 624, 625,
-	626, 627, 628, 631, 629, 402, 309, 489, 331, 369,
-	0, 0, 420, 467, 239, 596, 490, 199, 0, 0,
-	0, 0, 253, 254, 0, 567, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 641, 642, 643, 644, 645,
-	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
-	656, 657, 658, 636, 500, 506, 501, 502, 503, 504,
-	505, 0, 507, 0, 0, 0, 0, 0, 0, 583,
-	584, 659, 380, 480, 593, 333, 345, 348, 338, 357,
-	0, 358, 334, 335, 340, 342, 343, 344, 349, 350,
-	354, 360, 248, 209, 386, 394, 570, 310, 215, 216,
-	217, 516, 517, 518, 519, 607, 608, 612, 204, 457,
-	458, 459, 460, 291, 602, 307, 463, 462, 329, 330,
-	375, 444, 532, 534, 545, 549, 551, 553, 559, 562,
-	533, 535, 546, 550, 552, 554, 560, 563, 522, 524,
-	526, 528, 541, 540, 537, 565, 566, 543, 548, 527,
-	539, 544, 557, 564, 561, 521, 525, 529, 538, 556,
-	555, 536, 547, 558, 542, 530, 523, 531, 0, 196,
-	220, 364, 0, 449, 287, 637, 606, 601, 205, 222,
-	0, 261, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 198, 200, 208, 221, 231, 235, 242,
-	260, 275, 277, 284, 297, 308, 316, 317, 320, 326,
-	376, 382, 383, 384, 385, 404, 405, 406, 409, 412,
-	413, 416, 418, 419, 422, 426, 430, 431, 432, 434,
-	436, 438, 450, 455, 469, 470, 471, 472, 473, 476,
-	477, 482, 483, 484, 485, 486, 494, 495, 508, 578,
-	580, 595, 613, 619, 475, 299, 300, 439, 440, 312,
-	313, 633, 634, 298, 590, 620, 588, 632, 614, 433,
-	374, 0, 0, 377, 280, 303, 318, 0, 605, 496,
-	226, 461, 289, 250, 0, 0, 210, 245, 229, 258,
-	273, 276, 322, 387, 395, 424, 429, 295, 270, 243,
-	454, 240, 479, 511, 512, 513, 515, 391, 265, 428,
-	0, 392, 372, 568, 569, 314, 86, 520, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 296, 0,
+	397, 256, 0, 448, 0, 0, 0, 616, 0, 0,
+	0, 0, 0, 0, 0, 361, 0, 328, 197, 224,
+	0, 0, 407, 456, 468, 0, 0, 0, 252, 0,
+	466, 421, 594, 232, 283, 453, 427, 464, 435, 286,
+	0, 0, 465, 368, 577, 445, 591, 617, 618, 262,
+	401, 603, 514, 611, 635, 225, 259, 415, 499, 597,
+	488, 393, 573, 574, 327, 487, 294, 201, 365, 623,
+	223, 474, 367, 241, 230, 579, 600, 288, 451, 630,
+	212, 509, 589, 238, 478, 0, 0, 638, 246, 498,
+	214, 586, 497, 389, 324, 325, 213, 0, 452, 267,
+	292, 0, 0, 257, 410, 581, 582, 255, 639, 227,
+	610, 219, 0, 609, 403, 576, 587, 390, 379, 218,
+	585, 388, 378, 332, 351, 352, 279, 305, 442, 371,
+	443, 304, 306, 399, 398, 400, 206, 598, 0, 207,
+	0, 493, 599, 640, 447, 211, 233, 234, 236, 0,
+	278, 282, 290, 293, 301, 302, 311, 363, 414, 441,
+	437, 446, 0, 571, 592, 604, 615, 621, 622, 624,
+	625, 626, 627, 628, 631, 629, 402, 309, 489, 331,
+	369, 0, 0, 420, 467, 239, 596, 490, 199, 0,
+	0, 0, 0, 253, 254, 0, 567, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 641, 642, 643, 644,
+	645, 646, 647, 648, 649, 650, 651, 652, 653, 654,
+	655, 656, 657, 658, 636, 500, 506, 501, 502, 503,
+	504, 505, 0, 507, 0, 0, 0, 0, 0, 0,
+	583, 584, 659, 380, 480, 593, 333, 345, 348, 338,
+	357, 0, 358, 334, 335, 340, 342, 343, 344, 349,
+	350, 354, 360, 248, 209, 386, 394, 570, 310, 215,
+	216, 217, 516, 517, 518, 519, 607, 608, 612, 204,
+	457, 458, 459, 460, 291, 602, 307, 463, 462, 329,
+	330, 375, 444, 532, 534, 545, 549, 551, 553, 559,
+	562, 533, 535, 546, 550, 552, 554, 560, 563, 522,
+	524, 526, 528, 541, 540, 537, 565, 566, 543, 548,
+	527, 539, 544, 557, 564, 561, 521, 525, 529, 538,
+	556, 555, 536, 547, 558, 542, 530, 523, 531, 0,
+	196, 220, 364, 0, 449, 287, 637, 606, 601, 205,
+	222, 0, 261, 0, 0, 0, 0, 0, 0, 2376,
+	0, 0, 2375, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 198, 200, 208, 221, 231, 235,
+	242, 260, 275, 277, 284, 297, 308, 316, 317, 320,
+	326, 376, 382, 383, 384, 385, 404, 405, 406, 409,
+	412, 413, 416, 418, 419, 422, 426, 430, 431, 432,
+	434, 436, 438, 450, 455, 469, 470, 471, 472, 473,
+	476, 477, 482, 483, 484, 485, 486, 494, 495, 508,
+	578, 580, 595, 613, 619, 475, 299, 300, 439, 440,
+	312, 313, 633, 634, 298, 590, 620, 588, 632, 614,
+	433, 374, 0, 0, 377, 280, 303, 318, 0, 605,
+	496, 226, 461, 289, 250, 0, 0, 210, 245, 229,
+	258, 273, 276, 322, 387, 395, 424, 429, 295, 270,
+	243, 454, 240, 479, 511, 512, 513, 515, 391, 265,
+	428, 392, 0, 372, 568, 569, 314, 520, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 411,
-	0, 0, 0, 0, 0, 0, 0, 0, 269, 0,
+	0, 0, 0, 2324, 0, 0, 0, 0, 269, 0,
 	0, 0, 0, 362, 266, 0, 0, 425, 0, 203,
 	0, 481, 251, 373, 370, 575, 281, 272, 268, 249,
 	315, 381, 423, 510, 417, 0, 366, 0, 0, 491,
 	396, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 321, 247, 323, 202,
-	408, 492, 285, 0, 95, 0, 0, 0, 194, 0,
+	408, 492, 285, 0, 0, 0, 0, 1923, 194, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 237, 0,
 	0, 244, 0, 0, 0, 347, 356, 355, 336, 337,
 	339, 341, 346, 353, 359, 0, 0, 0, 0, 0,
@@ -4367,7 +4669,7 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 361, 0, 328,
 	197, 224, 0, 0, 407, 456, 468, 0, 0, 0,
 	252, 0, 466, 421, 594, 232, 283, 453, 427, 464,
-	435, 286, 0, 0, 465, 368, 577, 445, 591, 617,
+	435, 286, 0, 2322, 465, 368, 577, 445, 591, 617,
 	618, 262, 401, 603, 514, 611, 635, 225, 259, 415,
 	499, 597, 488, 393, 573, 574, 327, 487, 294, 201,
 	365, 623, 223, 474, 367, 241, 230, 579, 600, 288,
@@ -4397,9 +4699,9 @@ var yyAct = [...]int{
 	563, 522, 524, 526, 528, 541, 540, 537, 565, 566,
 	543, 548, 527, 539, 544, 557, 564, 561, 521, 525,
 	529, 538, 556, 555, 536, 547, 558, 542, 530, 523,
-	531, 0, 196, 220, 364, 94, 449, 287, 637, 606,
+	531, 0, 196, 220, 364, 0, 449, 287, 637, 606,
 	601, 205, 222, 0, 261, 0, 0, 0, 0, 0,
-	0, 2369, 0, 0, 2368, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 198, 200, 208, 221,
 	231, 235, 242, 260, 275, 277, 284, 297, 308, 316,
 	317, 320, 326, 376, 382, 383, 384, 385, 404, 405,
@@ -4412,22 +4714,22 @@ var yyAct = [...]int{
 	0, 605, 496, 226, 461, 289, 250, 0, 0, 210,
 	245, 229, 258, 273, 276, 322, 387, 395, 424, 429,
 	295, 270, 243, 454, 240, 479, 511, 512, 513, 515,
-	391, 265, 428, 1735, 0, 372, 568, 569, 314, 520,
+	391, 265, 428, 392, 0, 372, 568, 569, 314, 520,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 411, 0, 0, 0, 1737, 0, 0, 0, 0,
+	0, 411, 0, 0, 0, 0, 0, 0, 0, 0,
 	269, 0, 0, 0, 0, 362, 266, 0, 0, 425,
 	0, 203, 0, 481, 251, 373, 370, 575, 281, 272,
 	268, 249, 315, 381, 423, 510, 417, 0, 366, 0,
 	0, 491, 396, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 321, 247,
-	323, 202, 408, 492, 285, 0, 0, 0, 0, 1739,
+	323, 202, 408, 492, 285, 0, 0, 0, 0, 0,
 	709, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	237, 0, 0, 244, 0, 0, 0, 347, 356, 355,
 	336, 337, 339, 341, 346, 353, 359, 0, 0, 0,
 	0, 0, 264, 319, 271, 263, 572, 0, 0, 0,
-	0, 0, 0, 0, 0, 228, 0, 0, 0, 1451,
-	0, 1452, 1453, 0, 0, 0, 0, 0, 0, 0,
-	274, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 228, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	274, 0, 0, 0, 0, 0, 0, 0, 0, 1073,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -4437,7 +4739,7 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 296, 0, 397, 256, 0, 448, 0, 0,
 	0, 616, 0, 0, 0, 0, 0, 0, 0, 361,
-	0, 328, 197, 224, 0, 0, 407, 456, 468, 0,
+	1079, 328, 197, 224, 1077, 0, 407, 456, 468, 0,
 	0, 0, 252, 0, 466, 421, 594, 232, 283, 453,
 	427, 464, 435, 286, 0, 0, 465, 368, 577, 445,
 	591, 617, 618, 262, 401, 603, 514, 611, 635, 225,
@@ -4474,2053 +4776,1765 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 198, 200,
 	208, 221, 231, 235, 242, 260, 275, 277, 284, 297,
-	308, 316, 317, 320, 326, 376, 382, 383, 384, 385,
-	404, 405, 406, 409, 412, 413, 416, 418, 419, 422,
-	426, 430, 431, 432, 434, 436, 438, 450, 455, 469,
-	470, 471, 472, 473, 476, 477, 482, 483, 484, 485,
-	486, 494, 495, 508, 578, 580, 595, 613, 619, 475,
-	299, 300, 439, 440, 312, 313, 633, 634, 298, 590,
-	620, 588, 632, 614, 433, 374, 0, 0, 377, 280,
-	303, 318, 0, 605, 496, 226, 461, 289, 250, 0,
-	0, 210, 245, 229, 258, 273, 276, 322, 387, 395,
-	424, 429, 295, 270, 243, 454, 240, 479, 511, 512,
-	513, 515, 391, 265, 428, 0, 392, 372, 568, 569,
-	314, 86, 520, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 411, 0, 0, 0, 0, 0,
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 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 321, 247, 323, 202, 408, 492,
+	285, 0, 0, 0, 0, 0, 709, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 237, 0, 0, 244,
+	0, 0, 0, 347, 356, 355, 336, 337, 339, 341,
+	346, 353, 359, 0, 0, 0, 0, 0, 264, 319,
+	271, 263, 572, 0, 0, 0, 0, 0, 0, 0,
+	0, 228, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 274, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 296, 0, 397,
-	256, 0, 448, 0, 0, 0, 616, 0, 0, 0,
-	0, 0, 0, 0, 361, 0, 328, 197, 224, 0,
-	0, 407, 456, 468, 0, 0, 0, 252, 0, 466,
-	421, 594, 232, 283, 453, 427, 464, 435, 286, 0,
-	0, 465, 368, 577, 445, 591, 617, 618, 262, 401,
-	603, 514, 611, 635, 225, 259, 415, 499, 597, 488,
-	393, 573, 574, 327, 487, 294, 201, 365, 623, 223,
-	474, 367, 241, 230, 579, 600, 288, 451, 630, 212,
-	509, 589, 238, 478, 0, 0, 638, 246, 498, 214,
-	586, 497, 389, 324, 325, 213, 0, 452, 267, 292,
-	0, 0, 257, 410, 581, 582, 255, 639, 227, 610,
-	219, 0, 609, 403, 576, 587, 390, 379, 218, 585,
-	388, 378, 332, 351, 352, 279, 305, 442, 371, 443,
-	304, 306, 399, 398, 400, 206, 598, 0, 207, 0,
-	493, 599, 640, 447, 211, 233, 234, 236, 0, 278,
-	282, 290, 293, 301, 302, 311, 363, 414, 441, 437,
-	446, 0, 571, 592, 604, 615, 621, 622, 624, 625,
-	626, 627, 628, 631, 629, 402, 309, 489, 331, 369,
-	0, 0, 420, 467, 239, 596, 490, 199, 0, 0,
-	0, 0, 253, 254, 0, 567, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 641, 642, 643, 644, 645,
-	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
-	656, 657, 658, 636, 500, 506, 501, 502, 503, 504,
-	505, 0, 507, 0, 0, 0, 0, 0, 0, 583,
-	584, 659, 380, 480, 593, 333, 345, 348, 338, 357,
-	0, 358, 334, 335, 340, 342, 343, 344, 349, 350,
-	354, 360, 248, 209, 386, 394, 570, 310, 215, 216,
-	217, 516, 517, 518, 519, 607, 608, 612, 204, 457,
-	458, 459, 460, 291, 602, 307, 463, 462, 329, 330,
-	375, 444, 532, 534, 545, 549, 551, 553, 559, 562,
-	533, 535, 546, 550, 552, 554, 560, 563, 522, 524,
-	526, 528, 541, 540, 537, 565, 566, 543, 548, 527,
-	539, 544, 557, 564, 561, 521, 525, 529, 538, 556,
-	555, 536, 547, 558, 542, 530, 523, 531, 0, 196,
-	220, 364, 0, 449, 287, 637, 606, 601, 205, 222,
-	0, 261, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 198, 200, 208, 221, 231, 235, 242,
-	260, 275, 277, 284, 297, 308, 316, 317, 320, 326,
-	376, 382, 383, 384, 385, 404, 405, 406, 409, 412,
-	413, 416, 418, 419, 422, 426, 430, 431, 432, 434,
-	436, 438, 450, 455, 469, 470, 471, 472, 473, 476,
-	477, 482, 483, 484, 485, 486, 494, 495, 508, 578,
-	580, 595, 613, 619, 475, 299, 300, 439, 440, 312,
-	313, 633, 634, 298, 590, 620, 588, 632, 614, 433,
-	374, 0, 0, 377, 280, 303, 318, 0, 605, 496,
-	226, 461, 289, 250, 0, 0, 210, 245, 229, 258,
-	273, 276, 322, 387, 395, 424, 429, 295, 270, 243,
-	454, 240, 479, 511, 512, 513, 515, 391, 265, 428,
-	392, 0, 372, 568, 569, 314, 520, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 411, 0,
-	0, 0, 0, 0, 0, 0, 0, 269, 0, 0,
-	0, 0, 362, 266, 0, 0, 425, 0, 203, 0,
-	481, 251, 373, 370, 575, 281, 272, 268, 249, 315,
-	381, 423, 510, 417, 0, 366, 0, 0, 491, 396,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 321, 247, 323, 202, 408,
-	492, 285, 0, 1844, 0, 0, 0, 709, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 237, 0, 0,
-	244, 0, 0, 0, 347, 356, 355, 336, 337, 339,
-	341, 346, 353, 359, 0, 0, 0, 0, 0, 264,
-	319, 271, 263, 572, 0, 0, 0, 0, 0, 0,
-	0, 0, 228, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 274, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 296, 0,
+	397, 256, 0, 448, 0, 0, 0, 616, 0, 0,
+	0, 0, 0, 0, 0, 361, 0, 328, 197, 224,
+	0, 0, 407, 456, 468, 0, 0, 0, 252, 0,
+	466, 421, 594, 232, 283, 453, 427, 464, 435, 286,
+	0, 0, 465, 368, 577, 445, 591, 617, 618, 262,
+	401, 603, 514, 611, 635, 225, 259, 415, 499, 597,
+	488, 393, 573, 574, 327, 487, 294, 201, 365, 623,
+	223, 474, 367, 241, 230, 579, 600, 288, 451, 630,
+	212, 509, 589, 238, 478, 0, 0, 638, 246, 498,
+	214, 586, 497, 389, 324, 325, 213, 0, 452, 267,
+	292, 0, 0, 257, 410, 581, 582, 255, 639, 227,
+	610, 219, 0, 609, 403, 576, 587, 390, 379, 218,
+	585, 388, 378, 332, 351, 352, 279, 305, 442, 371,
+	443, 304, 306, 399, 398, 400, 206, 598, 0, 207,
+	0, 493, 599, 640, 447, 211, 233, 234, 236, 0,
+	278, 282, 290, 293, 301, 302, 311, 363, 414, 441,
+	437, 446, 0, 571, 592, 604, 615, 621, 622, 624,
+	625, 626, 627, 628, 631, 629, 402, 309, 489, 331,
+	369, 0, 0, 420, 467, 239, 596, 490, 199, 0,
+	0, 0, 0, 253, 254, 0, 567, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 641, 642, 643, 644,
+	645, 646, 647, 648, 649, 650, 651, 652, 653, 654,
+	655, 656, 657, 658, 636, 500, 506, 501, 502, 503,
+	504, 505, 0, 507, 0, 0, 0, 0, 0, 0,
+	583, 584, 659, 380, 480, 593, 333, 345, 348, 338,
+	357, 0, 358, 334, 335, 340, 342, 343, 344, 349,
+	350, 354, 360, 248, 209, 386, 394, 570, 310, 215,
+	216, 217, 516, 517, 518, 519, 607, 608, 612, 204,
+	457, 458, 459, 460, 291, 602, 307, 463, 462, 329,
+	330, 375, 444, 532, 534, 545, 549, 551, 553, 559,
+	562, 533, 535, 546, 550, 552, 554, 560, 563, 522,
+	524, 526, 528, 541, 540, 537, 565, 566, 543, 548,
+	527, 539, 544, 557, 564, 561, 521, 525, 529, 538,
+	556, 555, 536, 547, 558, 542, 530, 523, 531, 0,
+	196, 220, 364, 0, 449, 287, 637, 606, 601, 205,
+	222, 0, 261, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 198, 200, 208, 221, 231, 235,
+	242, 260, 275, 277, 284, 297, 308, 316, 317, 320,
+	326, 376, 382, 383, 384, 385, 404, 405, 406, 409,
+	412, 413, 416, 418, 419, 422, 426, 430, 431, 432,
+	434, 436, 438, 450, 455, 469, 470, 471, 472, 473,
+	476, 477, 482, 483, 484, 485, 486, 494, 495, 508,
+	578, 580, 595, 613, 619, 475, 299, 300, 439, 440,
+	312, 313, 633, 634, 298, 590, 620, 588, 632, 614,
+	433, 374, 0, 0, 377, 280, 303, 318, 0, 605,
+	496, 226, 461, 289, 250, 0, 0, 210, 245, 229,
+	258, 273, 276, 322, 387, 395, 424, 429, 295, 270,
+	243, 454, 240, 479, 511, 512, 513, 515, 391, 265,
+	428, 392, 0, 372, 568, 569, 314, 520, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 411,
+	0, 0, 0, 0, 0, 0, 0, 0, 269, 0,
+	0, 0, 0, 362, 266, 0, 0, 425, 0, 203,
+	0, 481, 251, 373, 370, 575, 281, 272, 268, 249,
+	315, 381, 423, 510, 417, 0, 366, 0, 0, 491,
+	396, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 321, 247, 323, 202,
+	408, 492, 285, 0, 1849, 0, 0, 0, 709, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 237, 0,
+	0, 244, 0, 0, 0, 347, 356, 355, 336, 337,
+	339, 341, 346, 353, 359, 0, 0, 0, 0, 0,
+	264, 319, 271, 263, 572, 0, 0, 0, 0, 0,
+	0, 0, 0, 228, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 274, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 296,
-	0, 397, 256, 0, 448, 0, 0, 0, 616, 0,
-	0, 0, 0, 0, 0, 0, 361, 0, 328, 197,
-	224, 0, 0, 407, 456, 468, 0, 0, 0, 252,
-	0, 466, 421, 594, 232, 283, 453, 427, 464, 435,
-	286, 0, 0, 465, 368, 577, 445, 591, 617, 618,
-	262, 401, 603, 514, 611, 635, 225, 259, 415, 499,
-	597, 488, 393, 573, 574, 327, 487, 294, 201, 365,
-	623, 223, 474, 367, 241, 230, 579, 600, 288, 451,
-	630, 212, 509, 589, 238, 478, 0, 0, 638, 246,
-	498, 214, 586, 497, 389, 324, 325, 213, 0, 452,
-	267, 292, 0, 0, 257, 410, 581, 582, 255, 639,
-	227, 610, 219, 0, 609, 403, 576, 587, 390, 379,
-	218, 585, 388, 378, 332, 351, 352, 279, 305, 442,
-	371, 443, 304, 306, 399, 398, 400, 206, 598, 0,
-	207, 0, 493, 599, 640, 447, 211, 233, 234, 236,
-	0, 278, 282, 290, 293, 301, 302, 311, 363, 414,
-	441, 437, 446, 0, 571, 592, 604, 615, 621, 622,
-	624, 625, 626, 627, 628, 631, 629, 402, 309, 489,
-	331, 369, 0, 0, 420, 467, 239, 596, 490, 199,
-	0, 0, 0, 0, 253, 254, 0, 567, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 641, 642, 643,
-	644, 645, 646, 647, 648, 649, 650, 651, 652, 653,
-	654, 655, 656, 657, 658, 636, 500, 506, 501, 502,
-	503, 504, 505, 0, 507, 0, 0, 0, 0, 0,
-	0, 583, 584, 659, 380, 480, 593, 333, 345, 348,
-	338, 357, 0, 358, 334, 335, 340, 342, 343, 344,
-	349, 350, 354, 360, 248, 209, 386, 394, 570, 310,
-	215, 216, 217, 516, 517, 518, 519, 607, 608, 612,
-	204, 457, 458, 459, 460, 291, 602, 307, 463, 462,
-	329, 330, 375, 444, 532, 534, 545, 549, 551, 553,
-	559, 562, 533, 535, 546, 550, 552, 554, 560, 563,
-	522, 524, 526, 528, 541, 540, 537, 565, 566, 543,
-	548, 527, 539, 544, 557, 564, 561, 521, 525, 529,
-	538, 556, 555, 536, 547, 558, 542, 530, 523, 531,
-	0, 196, 220, 364, 0, 449, 287, 637, 606, 601,
-	205, 222, 0, 261, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 198, 200, 208, 221, 231,
-	235, 242, 260, 275, 277, 284, 297, 308, 316, 317,
-	320, 326, 376, 382, 383, 384, 385, 404, 405, 406,
-	409, 412, 413, 416, 418, 419, 422, 426, 430, 431,
-	432, 434, 436, 438, 450, 455, 469, 470, 471, 472,
-	473, 476, 477, 482, 483, 484, 485, 486, 494, 495,
-	508, 578, 580, 595, 613, 619, 475, 299, 300, 439,
-	440, 312, 313, 633, 634, 298, 590, 620, 588, 632,
-	614, 433, 374, 0, 0, 377, 280, 303, 318, 0,
-	605, 496, 226, 461, 289, 250, 0, 0, 210, 245,
-	229, 258, 273, 276, 322, 387, 395, 424, 429, 295,
-	270, 243, 454, 240, 479, 511, 512, 513, 515, 391,
-	265, 428, 392, 0, 372, 568, 569, 314, 520, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	411, 0, 0, 0, 0, 0, 0, 0, 1743, 269,
-	0, 0, 0, 0, 362, 266, 0, 0, 425, 0,
-	203, 0, 481, 251, 373, 370, 575, 281, 272, 268,
-	249, 315, 381, 423, 510, 417, 0, 366, 0, 0,
-	491, 396, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 321, 247, 323,
-	202, 408, 492, 285, 0, 0, 0, 0, 0, 194,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 237,
-	0, 0, 244, 0, 0, 0, 347, 356, 355, 336,
-	337, 339, 341, 346, 353, 359, 0, 0, 0, 0,
-	0, 264, 319, 271, 263, 572, 0, 0, 0, 0,
-	0, 0, 0, 0, 228, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 274,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	296, 0, 397, 256, 0, 448, 0, 0, 0, 616,
+	0, 0, 0, 0, 0, 0, 0, 361, 0, 328,
+	197, 224, 0, 0, 407, 456, 468, 0, 0, 0,
+	252, 0, 466, 421, 594, 232, 283, 453, 427, 464,
+	435, 286, 0, 0, 465, 368, 577, 445, 591, 617,
+	618, 262, 401, 603, 514, 611, 635, 225, 259, 415,
+	499, 597, 488, 393, 573, 574, 327, 487, 294, 201,
+	365, 623, 223, 474, 367, 241, 230, 579, 600, 288,
+	451, 630, 212, 509, 589, 238, 478, 0, 0, 638,
+	246, 498, 214, 586, 497, 389, 324, 325, 213, 0,
+	452, 267, 292, 0, 0, 257, 410, 581, 582, 255,
+	639, 227, 610, 219, 0, 609, 403, 576, 587, 390,
+	379, 218, 585, 388, 378, 332, 351, 352, 279, 305,
+	442, 371, 443, 304, 306, 399, 398, 400, 206, 598,
+	0, 207, 0, 493, 599, 640, 447, 211, 233, 234,
+	236, 0, 278, 282, 290, 293, 301, 302, 311, 363,
+	414, 441, 437, 446, 0, 571, 592, 604, 615, 621,
+	622, 624, 625, 626, 627, 628, 631, 629, 402, 309,
+	489, 331, 369, 0, 0, 420, 467, 239, 596, 490,
+	199, 0, 0, 0, 0, 253, 254, 0, 567, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 641, 642,
+	643, 644, 645, 646, 647, 648, 649, 650, 651, 652,
+	653, 654, 655, 656, 657, 658, 636, 500, 506, 501,
+	502, 503, 504, 505, 0, 507, 0, 0, 0, 0,
+	0, 0, 583, 584, 659, 380, 480, 593, 333, 345,
+	348, 338, 357, 0, 358, 334, 335, 340, 342, 343,
+	344, 349, 350, 354, 360, 248, 209, 386, 394, 570,
+	310, 215, 216, 217, 516, 517, 518, 519, 607, 608,
+	612, 204, 457, 458, 459, 460, 291, 602, 307, 463,
+	462, 329, 330, 375, 444, 532, 534, 545, 549, 551,
+	553, 559, 562, 533, 535, 546, 550, 552, 554, 560,
+	563, 522, 524, 526, 528, 541, 540, 537, 565, 566,
+	543, 548, 527, 539, 544, 557, 564, 561, 521, 525,
+	529, 538, 556, 555, 536, 547, 558, 542, 530, 523,
+	531, 0, 196, 220, 364, 0, 449, 287, 637, 606,
+	601, 205, 222, 0, 261, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 198, 200, 208, 221,
+	231, 235, 242, 260, 275, 277, 284, 297, 308, 316,
+	317, 320, 326, 376, 382, 383, 384, 385, 404, 405,
+	406, 409, 412, 413, 416, 418, 419, 422, 426, 430,
+	431, 432, 434, 436, 438, 450, 455, 469, 470, 471,
+	472, 473, 476, 477, 482, 483, 484, 485, 486, 494,
+	495, 508, 578, 580, 595, 613, 619, 475, 299, 300,
+	439, 440, 312, 313, 633, 634, 298, 590, 620, 588,
+	632, 614, 433, 374, 0, 0, 377, 280, 303, 318,
+	0, 605, 496, 226, 461, 289, 250, 0, 0, 210,
+	245, 229, 258, 273, 276, 322, 387, 395, 424, 429,
+	295, 270, 243, 454, 240, 479, 511, 512, 513, 515,
+	391, 265, 428, 392, 0, 372, 568, 569, 314, 520,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 411, 0, 0, 0, 0, 0, 0, 0, 1748,
+	269, 0, 0, 0, 0, 362, 266, 0, 0, 425,
+	0, 203, 0, 481, 251, 373, 370, 575, 281, 272,
+	268, 249, 315, 381, 423, 510, 417, 0, 366, 0,
+	0, 491, 396, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 321, 247,
+	323, 202, 408, 492, 285, 0, 0, 0, 0, 0,
+	194, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	237, 0, 0, 244, 0, 0, 0, 347, 356, 355,
+	336, 337, 339, 341, 346, 353, 359, 0, 0, 0,
+	0, 0, 264, 319, 271, 263, 572, 0, 0, 0,
+	0, 0, 0, 0, 0, 228, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	274, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -6528,144 +6542,143 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 296, 0, 397, 256, 0, 448, 0, 0,
+	0, 616, 0, 0, 0, 0, 0, 0, 0, 361,
+	0, 328, 197, 224, 0, 0, 407, 456, 468, 0,
+	0, 0, 252, 0, 466, 421, 594, 232, 283, 453,
+	427, 464, 435, 286, 0, 0, 465, 368, 577, 445,
+	591, 617, 618, 262, 401, 603, 514, 611, 635, 225,
+	259, 415, 499, 597, 488, 393, 573, 574, 327, 487,
+	294, 201, 365, 623, 223, 474, 367, 241, 230, 579,
+	600, 288, 451, 630, 212, 509, 589, 238, 478, 0,
+	0, 638, 246, 498, 214, 586, 497, 389, 324, 325,
+	213, 0, 452, 267, 292, 0, 0, 257, 410, 581,
+	582, 255, 639, 227, 610, 219, 0, 609, 403, 576,
+	587, 390, 379, 218, 585, 388, 378, 332, 351, 352,
+	279, 305, 442, 371, 443, 304, 306, 399, 398, 400,
+	206, 598, 0, 207, 0, 493, 599, 640, 447, 211,
+	233, 234, 236, 0, 278, 282, 290, 293, 301, 302,
+	311, 363, 414, 441, 437, 446, 0, 571, 592, 604,
+	615, 621, 622, 624, 625, 626, 627, 628, 631, 629,
+	402, 309, 489, 331, 369, 0, 0, 420, 467, 239,
+	596, 490, 199, 0, 0, 0, 0, 253, 254, 0,
+	567, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	641, 642, 643, 644, 645, 646, 647, 648, 649, 650,
+	651, 652, 653, 654, 655, 656, 657, 658, 636, 500,
+	506, 501, 502, 503, 504, 505, 0, 507, 0, 0,
+	0, 0, 0, 0, 583, 584, 659, 380, 480, 593,
+	333, 345, 348, 338, 357, 0, 358, 334, 335, 340,
+	342, 343, 344, 349, 350, 354, 360, 248, 209, 386,
+	394, 570, 310, 215, 216, 217, 516, 517, 518, 519,
+	607, 608, 612, 204, 457, 458, 459, 460, 291, 602,
+	307, 463, 462, 329, 330, 375, 444, 532, 534, 545,
+	549, 551, 553, 559, 562, 533, 535, 546, 550, 552,
+	554, 560, 563, 522, 524, 526, 528, 541, 540, 537,
+	565, 566, 543, 548, 527, 539, 544, 557, 564, 561,
+	521, 525, 529, 538, 556, 555, 536, 547, 558, 542,
+	530, 523, 531, 0, 196, 220, 364, 0, 449, 287,
+	637, 606, 601, 205, 222, 0, 261, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 296, 0, 397, 256, 0, 448, 0, 0, 0,
-	616, 0, 0, 0, 0, 0, 0, 0, 361, 0,
-	328, 197, 224, 0, 0, 407, 456, 468, 0, 0,
-	0, 252, 0, 466, 421, 594, 232, 283, 453, 427,
-	464, 435, 286, 0, 0, 465, 368, 577, 445, 591,
-	617, 618, 262, 401, 603, 514, 611, 635, 225, 259,
-	415, 499, 597, 488, 393, 573, 574, 327, 487, 294,
-	201, 365, 623, 223, 474, 367, 241, 230, 579, 600,
-	288, 451, 630, 212, 509, 589, 238, 478, 0, 0,
-	638, 246, 498, 214, 586, 497, 389, 324, 325, 213,
-	0, 452, 267, 292, 0, 0, 257, 410, 581, 582,
-	255, 639, 227, 610, 219, 0, 609, 403, 576, 587,
-	390, 379, 218, 585, 388, 378, 332, 351, 352, 279,
-	305, 442, 371, 443, 304, 306, 399, 398, 400, 206,
-	598, 0, 207, 0, 493, 599, 640, 447, 211, 233,
-	234, 236, 0, 278, 282, 290, 293, 301, 302, 311,
-	363, 414, 441, 437, 446, 0, 571, 592, 604, 615,
-	621, 622, 624, 625, 626, 627, 628, 631, 629, 402,
-	309, 489, 331, 369, 0, 0, 420, 467, 239, 596,
-	490, 199, 0, 0, 0, 0, 253, 254, 0, 567,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 641,
-	642, 643, 644, 645, 646, 647, 648, 649, 650, 651,
-	652, 653, 654, 655, 656, 657, 658, 636, 500, 506,
-	501, 502, 503, 504, 505, 0, 507, 0, 0, 0,
-	0, 0, 0, 583, 584, 659, 380, 480, 593, 333,
-	345, 348, 338, 357, 0, 358, 334, 335, 340, 342,
-	343, 344, 349, 350, 354, 360, 248, 209, 386, 394,
-	570, 310, 215, 216, 217, 516, 517, 518, 519, 607,
-	608, 612, 204, 457, 458, 459, 460, 291, 602, 307,
-	463, 462, 329, 330, 375, 444, 532, 534, 545, 549,
-	551, 553, 559, 562, 533, 535, 546, 550, 552, 554,
-	560, 563, 522, 524, 526, 528, 541, 540, 537, 565,
-	566, 543, 548, 527, 539, 544, 557, 564, 561, 521,
-	525, 529, 538, 556, 555, 536, 547, 558, 542, 530,
-	523, 531, 0, 196, 220, 364, 0, 449, 287, 637,
-	606, 601, 205, 222, 0, 261, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 198, 200,
+	208, 221, 231, 235, 242, 260, 275, 277, 284, 297,
+	308, 316, 317, 320, 326, 376, 382, 383, 384, 385,
+	404, 405, 406, 409, 412, 413, 416, 418, 419, 422,
+	426, 430, 431, 432, 434, 436, 438, 450, 455, 469,
+	470, 471, 472, 473, 476, 477, 482, 483, 484, 485,
+	486, 494, 495, 508, 578, 580, 595, 613, 619, 475,
+	299, 300, 439, 440, 312, 313, 633, 634, 298, 590,
+	620, 588, 632, 614, 433, 374, 0, 0, 377, 280,
+	303, 318, 0, 605, 496, 226, 461, 289, 250, 0,
+	0, 210, 245, 229, 258, 273, 276, 322, 387, 395,
+	424, 429, 295, 270, 243, 454, 240, 479, 511, 512,
+	513, 515, 391, 265, 428, 392, 0, 372, 568, 569,
+	314, 520, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 411, 0, 0, 0, 0, 0, 0,
+	0, 0, 269, 0, 0, 0, 0, 362, 266, 0,
+	0, 425, 0, 203, 0, 481, 251, 373, 370, 575,
+	281, 272, 268, 249, 315, 381, 423, 510, 417, 0,
+	366, 0, 0, 491, 396, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	321, 247, 323, 202, 408, 492, 285, 0, 95, 0,
+	0, 0, 941, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 237, 0, 0, 244, 0, 0, 0, 347,
+	356, 355, 336, 337, 339, 341, 346, 353, 359, 0,
+	0, 0, 0, 0, 264, 319, 271, 263, 572, 0,
+	0, 0, 0, 0, 0, 0, 0, 228, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 198, 200, 208,
-	221, 231, 235, 242, 260, 275, 277, 284, 297, 308,
-	316, 317, 320, 326, 376, 382, 383, 384, 385, 404,
-	405, 406, 409, 412, 413, 416, 418, 419, 422, 426,
-	430, 431, 432, 434, 436, 438, 450, 455, 469, 470,
-	471, 472, 473, 476, 477, 482, 483, 484, 485, 486,
-	494, 495, 508, 578, 580, 595, 613, 619, 475, 299,
-	300, 439, 440, 312, 313, 633, 634, 298, 590, 620,
-	588, 632, 614, 433, 374, 0, 0, 377, 280, 303,
-	318, 0, 605, 496, 226, 461, 289, 250, 0, 0,
-	210, 245, 229, 258, 273, 276, 322, 387, 395, 424,
-	429, 295, 270, 243, 454, 240, 479, 511, 512, 513,
-	515, 391, 265, 428, 392, 0, 372, 568, 569, 314,
-	520, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 411, 0, 0, 0, 0, 0, 0, 0,
-	0, 269, 0, 0, 0, 0, 362, 266, 0, 0,
-	425, 0, 203, 0, 481, 251, 373, 370, 575, 281,
-	272, 268, 249, 315, 381, 423, 510, 417, 0, 366,
-	0, 0, 491, 396, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 321,
-	247, 323, 202, 408, 492, 285, 0, 95, 0, 0,
-	0, 941, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 237, 0, 0, 244, 0, 0, 0, 347, 356,
-	355, 336, 337, 339, 341, 346, 353, 359, 0, 0,
-	0, 0, 0, 264, 319, 271, 263, 572, 0, 0,
-	0, 0, 0, 0, 0, 0, 228, 0, 0, 0,
+	0, 0, 274, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 274, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 296, 0, 397, 256, 0, 448,
+	0, 0, 0, 616, 0, 0, 0, 0, 0, 0,
+	0, 361, 0, 328, 197, 224, 0, 0, 407, 456,
+	468, 0, 0, 0, 252, 0, 466, 421, 594, 232,
+	283, 453, 427, 464, 435, 286, 0, 0, 465, 368,
+	577, 445, 591, 617, 618, 262, 401, 603, 514, 611,
+	635, 225, 259, 415, 499, 597, 488, 393, 573, 574,
+	327, 487, 294, 201, 365, 623, 223, 474, 367, 241,
+	230, 579, 600, 288, 451, 630, 212, 509, 589, 238,
+	478, 0, 0, 638, 246, 498, 214, 586, 497, 389,
+	324, 325, 213, 0, 452, 267, 292, 0, 0, 257,
+	410, 581, 582, 255, 639, 227, 610, 219, 0, 609,
+	403, 576, 587, 390, 379, 218, 585, 388, 378, 332,
+	351, 352, 279, 305, 442, 371, 443, 304, 306, 399,
+	398, 400, 206, 598, 0, 207, 0, 493, 599, 640,
+	447, 211, 233, 234, 236, 0, 278, 282, 290, 293,
+	301, 302, 311, 363, 414, 441, 437, 446, 0, 571,
+	592, 604, 615, 621, 622, 624, 625, 626, 627, 628,
+	631, 629, 402, 309, 489, 331, 369, 0, 0, 420,
+	467, 239, 596, 490, 199, 0, 0, 0, 0, 253,
+	254, 0, 567, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 641, 642, 643, 644, 645, 646, 647, 648,
+	649, 650, 651, 652, 653, 654, 655, 656, 657, 658,
+	636, 500, 506, 501, 502, 503, 504, 505, 0, 507,
+	0, 0, 0, 0, 0, 0, 583, 584, 659, 380,
+	480, 593, 333, 345, 348, 338, 357, 0, 358, 334,
+	335, 340, 342, 343, 344, 349, 350, 354, 360, 248,
+	209, 386, 394, 570, 310, 215, 216, 217, 516, 517,
+	518, 519, 607, 608, 612, 204, 457, 458, 459, 460,
+	291, 602, 307, 463, 462, 329, 330, 375, 444, 532,
+	534, 545, 549, 551, 553, 559, 562, 533, 535, 546,
+	550, 552, 554, 560, 563, 522, 524, 526, 528, 541,
+	540, 537, 565, 566, 543, 548, 527, 539, 544, 557,
+	564, 561, 521, 525, 529, 538, 556, 555, 536, 547,
+	558, 542, 530, 523, 531, 0, 196, 220, 364, 0,
+	449, 287, 637, 606, 601, 205, 222, 0, 261, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 296, 0, 397, 256, 0, 448, 0,
-	0, 0, 616, 0, 0, 0, 0, 0, 0, 0,
-	361, 0, 328, 197, 224, 0, 0, 407, 456, 468,
-	0, 0, 0, 252, 0, 466, 421, 594, 232, 283,
-	453, 427, 464, 435, 286, 0, 0, 465, 368, 577,
-	445, 591, 617, 618, 262, 401, 603, 514, 611, 635,
-	225, 259, 415, 499, 597, 488, 393, 573, 574, 327,
-	487, 294, 201, 365, 623, 223, 474, 367, 241, 230,
-	579, 600, 288, 451, 630, 212, 509, 589, 238, 478,
-	0, 0, 638, 246, 498, 214, 586, 497, 389, 324,
-	325, 213, 0, 452, 267, 292, 0, 0, 257, 410,
-	581, 582, 255, 639, 227, 610, 219, 0, 609, 403,
-	576, 587, 390, 379, 218, 585, 388, 378, 332, 351,
-	352, 279, 305, 442, 371, 443, 304, 306, 399, 398,
-	400, 206, 598, 0, 207, 0, 493, 599, 640, 447,
-	211, 233, 234, 236, 0, 278, 282, 290, 293, 301,
-	302, 311, 363, 414, 441, 437, 446, 0, 571, 592,
-	604, 615, 621, 622, 624, 625, 626, 627, 628, 631,
-	629, 402, 309, 489, 331, 369, 0, 0, 420, 467,
-	239, 596, 490, 199, 0, 0, 0, 0, 253, 254,
-	0, 567, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 641, 642, 643, 644, 645, 646, 647, 648, 649,
-	650, 651, 652, 653, 654, 655, 656, 657, 658, 636,
-	500, 506, 501, 502, 503, 504, 505, 0, 507, 0,
-	0, 0, 0, 0, 0, 583, 584, 659, 380, 480,
-	593, 333, 345, 348, 338, 357, 0, 358, 334, 335,
-	340, 342, 343, 344, 349, 350, 354, 360, 248, 209,
-	386, 394, 570, 310, 215, 216, 217, 516, 517, 518,
-	519, 607, 608, 612, 204, 457, 458, 459, 460, 291,
-	602, 307, 463, 462, 329, 330, 375, 444, 532, 534,
-	545, 549, 551, 553, 559, 562, 533, 535, 546, 550,
-	552, 554, 560, 563, 522, 524, 526, 528, 541, 540,
-	537, 565, 566, 543, 548, 527, 539, 544, 557, 564,
-	561, 521, 525, 529, 538, 556, 555, 536, 547, 558,
-	542, 530, 523, 531, 0, 196, 220, 364, 0, 449,
-	287, 637, 606, 601, 205, 222, 0, 261, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 198,
-	200, 208, 221, 231, 235, 242, 260, 275, 277, 284,
-	297, 308, 316, 317, 320, 326, 376, 382, 383, 384,
-	385, 404, 405, 406, 409, 412, 413, 416, 418, 419,
-	422, 426, 430, 431, 432, 434, 436, 438, 450, 455,
-	469, 470, 471, 472, 473, 476, 477, 482, 483, 484,
-	485, 486, 494, 495, 508, 578, 580, 595, 613, 619,
-	475, 299, 300, 439, 440, 312, 313, 633, 634, 298,
-	590, 620, 588, 632, 614, 433, 374, 0, 0, 377,
-	280, 303, 318, 0, 605, 496, 226, 461, 289, 250,
-	0, 0, 210, 245, 229, 258, 273, 276, 322, 387,
-	395, 424, 429, 295, 270, 243, 454, 240, 479, 511,
-	512, 513, 515, 391, 265, 428, 392, 0, 372, 568,
-	569, 314, 520, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 411, 0, 0, 0, 0, 0,
-	0, 0, 0, 269, 0, 0, 0, 0, 362, 266,
-	0, 0, 425, 0, 203, 0, 481, 251, 373, 370,
-	575, 281, 272, 268, 249, 315, 381, 423, 510, 417,
-	0, 366, 0, 0, 491, 396, 0, 0, 0, 0,
+	198, 200, 208, 221, 231, 235, 242, 260, 275, 277,
+	284, 297, 308, 316, 317, 320, 326, 376, 382, 383,
+	384, 385, 404, 405, 406, 409, 412, 413, 416, 418,
+	419, 422, 426, 430, 431, 432, 434, 436, 438, 450,
+	455, 469, 470, 471, 472, 473, 476, 477, 482, 483,
+	484, 485, 486, 494, 495, 508, 578, 580, 595, 613,
+	619, 475, 299, 300, 439, 440, 312, 313, 633, 634,
+	298, 590, 620, 588, 632, 614, 433, 374, 0, 0,
+	377, 280, 303, 318, 0, 605, 496, 226, 461, 289,
+	250, 0, 0, 210, 245, 229, 258, 273, 276, 322,
+	387, 395, 424, 429, 295, 270, 243, 454, 240, 479,
+	511, 512, 513, 515, 391, 265, 428, 392, 0, 372,
+	568, 569, 314, 520, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 411, 0, 0, 0, 0,
+	0, 0, 0, 0, 269, 0, 0, 0, 0, 362,
+	266, 0, 0, 425, 0, 203, 0, 481, 251, 373,
+	370, 575, 281, 272, 268, 249, 315, 381, 423, 510,
+	417, 0, 366, 0, 0, 491, 396, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 321, 247, 323, 202, 408, 492, 285, 0, 0,
-	0, 0, 0, 194, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 237, 0, 0, 244, 0, 0, 0,
-	347, 356, 355, 336, 337, 339, 341, 346, 353, 359,
-	0, 0, 0, 0, 0, 264, 319, 271, 263, 572,
-	0, 0, 0, 0, 0, 0, 0, 0, 228, 0,
+	0, 0, 321, 247, 323, 202, 408, 492, 285, 0,
+	0, 0, 0, 0, 194, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 237, 0, 0, 244, 0, 0,
+	0, 347, 356, 355, 336, 337, 339, 341, 346, 353,
+	359, 0, 0, 0, 0, 0, 264, 319, 271, 263,
+	572, 0, 0, 0, 0, 0, 0, 0, 0, 228,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 274, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 274, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -6673,143 +6686,144 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 1430, 0, 296, 0, 397, 256, 0,
-	448, 0, 0, 0, 616, 0, 0, 0, 0, 0,
-	0, 0, 361, 0, 328, 197, 224, 0, 0, 407,
-	456, 468, 0, 0, 0, 252, 0, 466, 421, 594,
-	232, 283, 453, 427, 464, 435, 286, 0, 0, 465,
-	368, 577, 445, 591, 617, 618, 262, 401, 603, 514,
-	611, 635, 225, 259, 415, 499, 597, 488, 393, 573,
-	574, 327, 487, 294, 201, 365, 623, 223, 474, 367,
-	241, 230, 579, 600, 288, 451, 630, 212, 509, 589,
-	238, 478, 0, 0, 638, 246, 498, 214, 586, 497,
-	389, 324, 325, 213, 0, 452, 267, 292, 0, 0,
-	257, 410, 581, 582, 255, 639, 227, 610, 219, 0,
-	609, 403, 576, 587, 390, 379, 218, 585, 388, 378,
-	332, 351, 352, 279, 305, 442, 371, 443, 304, 306,
-	399, 398, 400, 206, 598, 0, 207, 0, 493, 599,
-	640, 447, 211, 233, 234, 236, 0, 278, 282, 290,
-	293, 301, 302, 311, 363, 414, 441, 437, 446, 0,
-	571, 592, 604, 615, 621, 622, 624, 625, 626, 627,
-	628, 631, 629, 402, 309, 489, 331, 369, 0, 0,
-	420, 467, 239, 596, 490, 199, 0, 0, 0, 0,
-	253, 254, 0, 567, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 641, 642, 643, 644, 645, 646, 647,
-	648, 649, 650, 651, 652, 653, 654, 655, 656, 657,
-	658, 636, 500, 506, 501, 502, 503, 504, 505, 0,
-	507, 0, 0, 0, 0, 0, 0, 583, 584, 659,
-	380, 480, 593, 333, 345, 348, 338, 357, 0, 358,
-	334, 335, 340, 342, 343, 344, 349, 350, 354, 360,
-	248, 209, 386, 394, 570, 310, 215, 216, 217, 516,
-	517, 518, 519, 607, 608, 612, 204, 457, 458, 459,
-	460, 291, 602, 307, 463, 462, 329, 330, 375, 444,
-	532, 534, 545, 549, 551, 553, 559, 562, 533, 535,
-	546, 550, 552, 554, 560, 563, 522, 524, 526, 528,
-	541, 540, 537, 565, 566, 543, 548, 527, 539, 544,
-	557, 564, 561, 521, 525, 529, 538, 556, 555, 536,
-	547, 558, 542, 530, 523, 531, 0, 196, 220, 364,
-	0, 449, 287, 637, 606, 601, 205, 222, 0, 261,
+	0, 0, 0, 0, 1431, 0, 296, 0, 397, 256,
+	0, 448, 0, 0, 0, 616, 0, 0, 0, 0,
+	0, 0, 0, 361, 0, 328, 197, 224, 0, 0,
+	407, 456, 468, 0, 0, 0, 252, 0, 466, 421,
+	594, 232, 283, 453, 427, 464, 435, 286, 0, 0,
+	465, 368, 577, 445, 591, 617, 618, 262, 401, 603,
+	514, 611, 635, 225, 259, 415, 499, 597, 488, 393,
+	573, 574, 327, 487, 294, 201, 365, 623, 223, 474,
+	367, 241, 230, 579, 600, 288, 451, 630, 212, 509,
+	589, 238, 478, 0, 0, 638, 246, 498, 214, 586,
+	497, 389, 324, 325, 213, 0, 452, 267, 292, 0,
+	0, 257, 410, 581, 582, 255, 639, 227, 610, 219,
+	0, 609, 403, 576, 587, 390, 379, 218, 585, 388,
+	378, 332, 351, 352, 279, 305, 442, 371, 443, 304,
+	306, 399, 398, 400, 206, 598, 0, 207, 0, 493,
+	599, 640, 447, 211, 233, 234, 236, 0, 278, 282,
+	290, 293, 301, 302, 311, 363, 414, 441, 437, 446,
+	0, 571, 592, 604, 615, 621, 622, 624, 625, 626,
+	627, 628, 631, 629, 402, 309, 489, 331, 369, 0,
+	0, 420, 467, 239, 596, 490, 199, 0, 0, 0,
+	0, 253, 254, 0, 567, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 641, 642, 643, 644, 645, 646,
+	647, 648, 649, 650, 651, 652, 653, 654, 655, 656,
+	657, 658, 636, 500, 506, 501, 502, 503, 504, 505,
+	0, 507, 0, 0, 0, 0, 0, 0, 583, 584,
+	659, 380, 480, 593, 333, 345, 348, 338, 357, 0,
+	358, 334, 335, 340, 342, 343, 344, 349, 350, 354,
+	360, 248, 209, 386, 394, 570, 310, 215, 216, 217,
+	516, 517, 518, 519, 607, 608, 612, 204, 457, 458,
+	459, 460, 291, 602, 307, 463, 462, 329, 330, 375,
+	444, 532, 534, 545, 549, 551, 553, 559, 562, 533,
+	535, 546, 550, 552, 554, 560, 563, 522, 524, 526,
+	528, 541, 540, 537, 565, 566, 543, 548, 527, 539,
+	544, 557, 564, 561, 521, 525, 529, 538, 556, 555,
+	536, 547, 558, 542, 530, 523, 531, 0, 196, 220,
+	364, 0, 449, 287, 637, 606, 601, 205, 222, 0,
+	261, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 198, 200, 208, 221, 231, 235, 242, 260,
+	275, 277, 284, 297, 308, 316, 317, 320, 326, 376,
+	382, 383, 384, 385, 404, 405, 406, 409, 412, 413,
+	416, 418, 419, 422, 426, 430, 431, 432, 434, 436,
+	438, 450, 455, 469, 470, 471, 472, 473, 476, 477,
+	482, 483, 484, 485, 486, 494, 495, 508, 578, 580,
+	595, 613, 619, 475, 299, 300, 439, 440, 312, 313,
+	633, 634, 1430, 590, 620, 588, 632, 614, 433, 374,
+	0, 0, 377, 280, 303, 318, 0, 605, 496, 226,
+	461, 289, 250, 0, 0, 210, 245, 229, 258, 273,
+	276, 322, 387, 395, 424, 429, 295, 270, 243, 454,
+	240, 479, 511, 512, 513, 515, 391, 265, 428, 392,
+	0, 372, 568, 569, 314, 520, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 411, 0, 0,
+	0, 0, 0, 0, 0, 0, 269, 0, 0, 0,
+	0, 362, 266, 0, 0, 425, 0, 203, 0, 481,
+	251, 373, 370, 575, 281, 272, 268, 249, 315, 381,
+	423, 510, 417, 0, 366, 0, 0, 491, 396, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 198, 200, 208, 221, 231, 235, 242, 260, 275,
-	277, 284, 297, 308, 316, 317, 320, 326, 376, 382,
-	383, 384, 385, 404, 405, 406, 409, 412, 413, 416,
-	418, 419, 422, 426, 430, 431, 432, 434, 436, 438,
-	450, 455, 469, 470, 471, 472, 473, 476, 477, 482,
-	483, 484, 485, 486, 494, 495, 508, 578, 580, 595,
-	613, 619, 475, 299, 300, 439, 440, 312, 313, 633,
-	634, 1429, 590, 620, 588, 632, 614, 433, 374, 0,
-	0, 377, 280, 303, 318, 0, 605, 496, 226, 461,
-	289, 250, 0, 0, 210, 245, 229, 258, 273, 276,
-	322, 387, 395, 424, 429, 295, 270, 243, 454, 240,
-	479, 511, 512, 513, 515, 391, 265, 428, 392, 0,
-	372, 568, 569, 314, 520, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 411, 0, 0, 0,
-	0, 0, 0, 0, 0, 269, 0, 0, 0, 0,
-	362, 266, 0, 0, 425, 0, 203, 0, 481, 251,
-	373, 370, 575, 281, 272, 268, 249, 315, 381, 423,
-	510, 417, 0, 366, 0, 0, 491, 396, 0, 0,
+	0, 0, 0, 0, 321, 247, 323, 202, 408, 492,
+	285, 0, 0, 0, 0, 0, 194, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 237, 0, 0, 244,
+	0, 0, 0, 347, 356, 355, 336, 337, 339, 341,
+	346, 353, 359, 0, 0, 0, 0, 0, 264, 319,
+	271, 263, 572, 0, 0, 0, 0, 0, 0, 0,
+	0, 228, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 274, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 321, 247, 323, 202, 408, 492, 285,
-	0, 0, 0, 0, 0, 194, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 237, 0, 0, 244, 0,
-	0, 0, 347, 356, 355, 336, 337, 339, 341, 346,
-	353, 359, 0, 0, 0, 0, 0, 264, 319, 271,
-	263, 572, 0, 0, 0, 0, 0, 0, 0, 0,
-	228, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 274, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 296, 0,
+	397, 256, 0, 448, 0, 0, 0, 616, 0, 0,
+	0, 0, 0, 0, 0, 361, 0, 328, 197, 224,
+	0, 0, 407, 456, 468, 0, 0, 0, 252, 0,
+	466, 421, 594, 232, 283, 453, 427, 464, 435, 286,
+	0, 0, 465, 368, 577, 445, 591, 617, 618, 262,
+	401, 603, 514, 611, 635, 225, 259, 415, 499, 597,
+	488, 393, 573, 574, 327, 487, 294, 201, 365, 623,
+	223, 474, 367, 241, 230, 579, 600, 288, 451, 630,
+	212, 509, 589, 238, 478, 0, 0, 638, 246, 498,
+	214, 586, 497, 389, 324, 325, 213, 0, 452, 267,
+	292, 0, 0, 257, 410, 581, 582, 255, 639, 227,
+	610, 219, 0, 609, 403, 576, 587, 390, 379, 218,
+	585, 388, 378, 332, 351, 352, 279, 305, 442, 371,
+	443, 304, 306, 399, 398, 400, 206, 598, 0, 207,
+	0, 493, 599, 640, 447, 211, 233, 234, 236, 0,
+	278, 282, 290, 293, 301, 302, 311, 363, 414, 441,
+	437, 446, 0, 571, 592, 604, 615, 621, 622, 624,
+	625, 626, 627, 628, 631, 629, 402, 309, 489, 331,
+	369, 0, 0, 420, 467, 239, 596, 490, 199, 0,
+	0, 0, 0, 253, 254, 0, 567, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 641, 642, 643, 644,
+	645, 646, 647, 648, 649, 650, 651, 652, 653, 654,
+	655, 656, 657, 658, 636, 500, 506, 501, 502, 503,
+	504, 505, 0, 507, 0, 0, 0, 0, 0, 0,
+	583, 584, 659, 380, 480, 593, 333, 345, 348, 338,
+	357, 0, 358, 334, 335, 340, 342, 343, 344, 349,
+	350, 354, 360, 248, 209, 386, 394, 570, 310, 215,
+	216, 217, 516, 517, 518, 519, 607, 608, 612, 204,
+	457, 458, 459, 460, 291, 602, 307, 463, 462, 329,
+	330, 375, 444, 532, 534, 545, 549, 551, 553, 559,
+	562, 533, 535, 546, 550, 552, 554, 560, 563, 522,
+	524, 526, 528, 541, 540, 537, 565, 566, 543, 548,
+	527, 539, 544, 557, 564, 561, 521, 525, 529, 538,
+	556, 555, 536, 547, 558, 542, 530, 523, 531, 0,
+	196, 220, 364, 0, 449, 287, 637, 606, 601, 205,
+	222, 0, 261, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 296, 0, 397,
-	256, 0, 448, 0, 0, 0, 616, 0, 0, 0,
-	0, 0, 0, 0, 361, 0, 328, 197, 224, 0,
-	0, 407, 456, 468, 0, 0, 0, 252, 0, 466,
-	421, 594, 232, 283, 453, 427, 464, 435, 286, 0,
-	0, 465, 368, 577, 445, 591, 617, 618, 262, 401,
-	603, 514, 611, 635, 225, 259, 415, 499, 597, 488,
-	393, 573, 574, 327, 487, 294, 201, 365, 623, 223,
-	474, 367, 241, 230, 579, 600, 288, 451, 630, 212,
-	509, 589, 238, 478, 0, 0, 638, 246, 498, 214,
-	586, 497, 389, 324, 325, 213, 0, 452, 267, 292,
-	0, 0, 257, 410, 581, 582, 255, 639, 227, 610,
-	219, 0, 609, 403, 576, 587, 390, 379, 218, 585,
-	388, 378, 332, 351, 352, 279, 305, 442, 371, 443,
-	304, 306, 399, 398, 400, 206, 598, 0, 207, 0,
-	493, 599, 640, 447, 211, 233, 234, 236, 0, 278,
-	282, 290, 293, 301, 302, 311, 363, 414, 441, 437,
-	446, 0, 571, 592, 604, 615, 621, 622, 624, 625,
-	626, 627, 628, 631, 629, 402, 309, 489, 331, 369,
-	0, 0, 420, 467, 239, 596, 490, 199, 0, 0,
-	0, 0, 253, 254, 0, 567, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 641, 642, 643, 644, 645,
-	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
-	656, 657, 658, 636, 500, 506, 501, 502, 503, 504,
-	505, 0, 507, 0, 0, 0, 0, 0, 0, 583,
-	584, 659, 380, 480, 593, 333, 345, 348, 338, 357,
-	0, 358, 334, 335, 340, 342, 343, 344, 349, 350,
-	354, 360, 248, 209, 386, 394, 570, 310, 215, 216,
-	217, 516, 517, 518, 519, 607, 608, 612, 204, 457,
-	458, 459, 460, 291, 602, 307, 463, 462, 329, 330,
-	375, 444, 532, 534, 545, 549, 551, 553, 559, 562,
-	533, 535, 546, 550, 552, 554, 560, 563, 522, 524,
-	526, 528, 541, 540, 537, 565, 566, 543, 548, 527,
-	539, 544, 557, 564, 561, 521, 525, 529, 538, 556,
-	555, 536, 547, 558, 542, 530, 523, 531, 0, 196,
-	220, 364, 0, 449, 287, 637, 606, 601, 205, 222,
-	0, 261, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 1030,
-	0, 0, 0, 198, 200, 208, 221, 231, 235, 242,
-	260, 275, 277, 284, 297, 308, 316, 317, 320, 326,
-	376, 382, 383, 384, 385, 404, 405, 406, 409, 412,
-	413, 416, 418, 419, 422, 426, 430, 431, 432, 434,
-	436, 438, 450, 455, 469, 470, 471, 472, 473, 476,
-	477, 482, 483, 484, 485, 486, 494, 495, 508, 578,
-	580, 595, 613, 619, 475, 299, 300, 439, 440, 312,
-	313, 633, 634, 298, 590, 620, 588, 632, 614, 433,
-	374, 0, 0, 377, 280, 303, 318, 0, 605, 496,
-	226, 461, 289, 250, 0, 0, 210, 245, 229, 258,
-	273, 276, 322, 387, 395, 424, 429, 295, 270, 243,
-	454, 240, 479, 511, 512, 513, 515, 391, 265, 428,
-	392, 0, 372, 568, 569, 314, 520, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 411, 0,
-	0, 0, 0, 0, 0, 0, 0, 269, 0, 0,
-	0, 0, 362, 266, 0, 0, 425, 0, 203, 0,
-	481, 251, 373, 370, 575, 281, 272, 268, 249, 315,
-	381, 423, 510, 417, 0, 366, 0, 0, 491, 396,
+	1030, 0, 0, 0, 198, 200, 208, 221, 231, 235,
+	242, 260, 275, 277, 284, 297, 308, 316, 317, 320,
+	326, 376, 382, 383, 384, 385, 404, 405, 406, 409,
+	412, 413, 416, 418, 419, 422, 426, 430, 431, 432,
+	434, 436, 438, 450, 455, 469, 470, 471, 472, 473,
+	476, 477, 482, 483, 484, 485, 486, 494, 495, 508,
+	578, 580, 595, 613, 619, 475, 299, 300, 439, 440,
+	312, 313, 633, 634, 298, 590, 620, 588, 632, 614,
+	433, 374, 0, 0, 377, 280, 303, 318, 0, 605,
+	496, 226, 461, 289, 250, 0, 0, 210, 245, 229,
+	258, 273, 276, 322, 387, 395, 424, 429, 295, 270,
+	243, 454, 240, 479, 511, 512, 513, 515, 391, 265,
+	428, 392, 0, 372, 568, 569, 314, 520, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 411,
+	0, 0, 0, 0, 0, 0, 0, 0, 269, 0,
+	0, 0, 0, 362, 266, 0, 0, 425, 0, 203,
+	0, 481, 251, 373, 370, 575, 281, 272, 268, 249,
+	315, 381, 423, 510, 417, 0, 366, 0, 0, 491,
+	396, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 321, 247, 323, 202,
+	408, 492, 285, 0, 0, 0, 0, 0, 194, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 237, 0,
+	0, 244, 0, 0, 0, 347, 356, 355, 336, 337,
+	339, 341, 346, 353, 359, 0, 0, 0, 0, 0,
+	264, 319, 271, 263, 572, 0, 0, 0, 0, 0,
+	0, 0, 0, 228, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 274, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 321, 247, 323, 202, 408,
-	492, 285, 0, 0, 0, 0, 0, 194, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 237, 0, 0,
-	244, 0, 0, 0, 347, 356, 355, 336, 337, 339,
-	341, 346, 353, 359, 0, 0, 0, 0, 0, 264,
-	319, 271, 263, 572, 0, 0, 0, 0, 0, 0,
-	0, 0, 228, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 274, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -6817,72 +6831,71 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 296,
-	0, 397, 256, 0, 448, 0, 662, 0, 616, 0,
-	0, 0, 0, 0, 0, 0, 361, 0, 328, 197,
-	224, 0, 0, 407, 456, 468, 0, 0, 0, 252,
-	0, 466, 421, 594, 232, 283, 453, 427, 464, 435,
-	286, 0, 0, 465, 368, 577, 445, 591, 617, 618,
-	262, 401, 603, 514, 611, 635, 225, 259, 415, 499,
-	597, 488, 393, 573, 574, 327, 487, 294, 201, 365,
-	623, 223, 474, 367, 241, 230, 579, 600, 288, 451,
-	630, 212, 509, 589, 238, 478, 0, 0, 638, 246,
-	498, 214, 586, 497, 389, 324, 325, 213, 0, 452,
-	267, 292, 0, 0, 257, 410, 581, 582, 255, 639,
-	227, 610, 219, 0, 609, 403, 576, 587, 390, 379,
-	218, 585, 388, 378, 332, 351, 352, 279, 305, 442,
-	371, 443, 304, 306, 399, 398, 400, 206, 598, 0,
-	207, 0, 493, 599, 640, 447, 211, 233, 234, 236,
-	0, 278, 282, 290, 293, 301, 302, 311, 363, 414,
-	441, 437, 446, 0, 571, 592, 604, 615, 621, 622,
-	624, 625, 626, 627, 628, 631, 629, 402, 309, 489,
-	331, 369, 0, 0, 420, 467, 239, 596, 490, 199,
-	0, 0, 0, 0, 253, 254, 0, 567, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 641, 642, 643,
-	644, 645, 646, 647, 648, 649, 650, 651, 652, 653,
-	654, 655, 656, 657, 658, 636, 500, 506, 501, 502,
-	503, 504, 505, 0, 507, 0, 0, 0, 0, 0,
-	0, 583, 584, 659, 380, 480, 593, 333, 345, 348,
-	338, 357, 0, 358, 334, 335, 340, 342, 343, 344,
-	349, 350, 354, 360, 248, 209, 386, 394, 570, 310,
-	215, 216, 217, 516, 517, 518, 519, 607, 608, 612,
-	204, 457, 458, 459, 460, 291, 602, 307, 463, 462,
-	329, 330, 375, 444, 532, 534, 545, 549, 551, 553,
-	559, 562, 533, 535, 546, 550, 552, 554, 560, 563,
-	522, 524, 526, 528, 541, 540, 537, 565, 566, 543,
-	548, 527, 539, 544, 557, 564, 561, 521, 525, 529,
-	538, 556, 555, 536, 547, 558, 542, 530, 523, 531,
-	0, 196, 220, 364, 0, 449, 287, 637, 606, 601,
-	205, 222, 0, 261, 0, 0, 0, 0, 0, 0,
+	296, 0, 397, 256, 0, 448, 0, 662, 0, 616,
+	0, 0, 0, 0, 0, 0, 0, 361, 0, 328,
+	197, 224, 0, 0, 407, 456, 468, 0, 0, 0,
+	252, 0, 466, 421, 594, 232, 283, 453, 427, 464,
+	435, 286, 0, 0, 465, 368, 577, 445, 591, 617,
+	618, 262, 401, 603, 514, 611, 635, 225, 259, 415,
+	499, 597, 488, 393, 573, 574, 327, 487, 294, 201,
+	365, 623, 223, 474, 367, 241, 230, 579, 600, 288,
+	451, 630, 212, 509, 589, 238, 478, 0, 0, 638,
+	246, 498, 214, 586, 497, 389, 324, 325, 213, 0,
+	452, 267, 292, 0, 0, 257, 410, 581, 582, 255,
+	639, 227, 610, 219, 0, 609, 403, 576, 587, 390,
+	379, 218, 585, 388, 378, 332, 351, 352, 279, 305,
+	442, 371, 443, 304, 306, 399, 398, 400, 206, 598,
+	0, 207, 0, 493, 599, 640, 447, 211, 233, 234,
+	236, 0, 278, 282, 290, 293, 301, 302, 311, 363,
+	414, 441, 437, 446, 0, 571, 592, 604, 615, 621,
+	622, 624, 625, 626, 627, 628, 631, 629, 402, 309,
+	489, 331, 369, 0, 0, 420, 467, 239, 596, 490,
+	199, 0, 0, 0, 0, 253, 254, 0, 567, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 641, 642,
+	643, 644, 645, 646, 647, 648, 649, 650, 651, 652,
+	653, 654, 655, 656, 657, 658, 636, 500, 506, 501,
+	502, 503, 504, 505, 0, 507, 0, 0, 0, 0,
+	0, 0, 583, 584, 659, 380, 480, 593, 333, 345,
+	348, 338, 357, 0, 358, 334, 335, 340, 342, 343,
+	344, 349, 350, 354, 360, 248, 209, 386, 394, 570,
+	310, 215, 216, 217, 516, 517, 518, 519, 607, 608,
+	612, 204, 457, 458, 459, 460, 291, 602, 307, 463,
+	462, 329, 330, 375, 444, 532, 534, 545, 549, 551,
+	553, 559, 562, 533, 535, 546, 550, 552, 554, 560,
+	563, 522, 524, 526, 528, 541, 540, 537, 565, 566,
+	543, 548, 527, 539, 544, 557, 564, 561, 521, 525,
+	529, 538, 556, 555, 536, 547, 558, 542, 530, 523,
+	531, 0, 196, 220, 364, 0, 449, 287, 637, 606,
+	601, 205, 222, 0, 261, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 198, 200, 208, 221, 231,
-	235, 242, 260, 275, 277, 284, 297, 308, 316, 317,
-	320, 326, 376, 382, 383, 384, 385, 404, 405, 406,
-	409, 412, 413, 416, 418, 419, 422, 426, 430, 431,
-	432, 434, 436, 438, 450, 455, 469, 470, 471, 472,
-	473, 476, 477, 482, 483, 484, 485, 486, 494, 495,
-	508, 578, 580, 595, 613, 619, 475, 299, 300, 439,
-	440, 312, 313, 633, 634, 298, 590, 620, 588, 632,
-	614, 433, 374, 0, 0, 377, 280, 303, 318, 0,
-	605, 496, 226, 461, 289, 250, 0, 0, 210, 245,
-	229, 258, 273, 276, 322, 387, 395, 424, 429, 295,
-	270, 243, 454, 240, 479, 511, 512, 513, 515, 391,
-	265, 428, 392, 0, 372, 568, 569, 314, 520, 0,
+	0, 0, 0, 0, 0, 0, 198, 200, 208, 221,
+	231, 235, 242, 260, 275, 277, 284, 297, 308, 316,
+	317, 320, 326, 376, 382, 383, 384, 385, 404, 405,
+	406, 409, 412, 413, 416, 418, 419, 422, 426, 430,
+	431, 432, 434, 436, 438, 450, 455, 469, 470, 471,
+	472, 473, 476, 477, 482, 483, 484, 485, 486, 494,
+	495, 508, 578, 580, 595, 613, 619, 475, 299, 300,
+	439, 440, 312, 313, 633, 634, 298, 590, 620, 588,
+	632, 614, 433, 374, 0, 0, 377, 280, 303, 318,
+	0, 605, 496, 226, 461, 289, 250, 0, 0, 210,
+	245, 229, 258, 273, 276, 322, 387, 395, 424, 429,
+	295, 270, 243, 454, 240, 479, 511, 512, 513, 515,
+	391, 265, 428, 392, 0, 372, 568, 569, 314, 520,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	411, 0, 0, 0, 0, 0, 0, 0, 0, 269,
-	0, 0, 0, 0, 362, 266, 0, 0, 425, 0,
-	203, 0, 481, 251, 373, 370, 575, 281, 272, 268,
-	249, 315, 381, 423, 510, 417, 0, 366, 0, 0,
-	491, 396, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 321, 247, 323,
-	202, 408, 492, 285, 0, 0, 0, 0, 0, 709,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 237,
-	0, 0, 244, 0, 0, 0, 347, 356, 355, 336,
-	337, 339, 341, 346, 353, 359, 0, 0, 0, 0,
-	0, 264, 319, 271, 263, 572, 0, 0, 0, 0,
-	0, 0, 0, 0, 228, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 274,
+	0, 411, 0, 0, 0, 0, 0, 0, 0, 0,
+	269, 0, 0, 0, 0, 362, 266, 0, 0, 425,
+	0, 203, 0, 481, 251, 373, 370, 575, 281, 272,
+	268, 249, 315, 381, 423, 510, 417, 0, 366, 0,
+	0, 491, 396, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 321, 247,
+	323, 202, 408, 492, 285, 0, 0, 0, 0, 0,
+	709, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	237, 0, 0, 244, 0, 0, 0, 347, 356, 355,
+	336, 337, 339, 341, 346, 353, 359, 0, 0, 0,
+	0, 0, 264, 319, 271, 263, 572, 0, 0, 0,
+	0, 0, 0, 0, 0, 228, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	274, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -6890,296 +6903,296 @@ var yyAct = [...]int{
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 296, 0, 397, 256, 0, 448, 0, 0, 0,
-	616, 0, 0, 0, 0, 0, 0, 0, 361, 0,
-	328, 197, 224, 0, 0, 407, 456, 468, 0, 0,
-	0, 252, 0, 466, 421, 594, 232, 283, 453, 427,
-	464, 435, 286, 0, 0, 465, 368, 577, 445, 591,
-	617, 618, 262, 401, 603, 514, 611, 635, 225, 259,
-	415, 499, 597, 488, 393, 573, 574, 327, 487, 294,
-	201, 365, 623, 223, 474, 367, 241, 230, 579, 600,
-	288, 451, 630, 212, 509, 589, 238, 478, 0, 0,
-	638, 246, 498, 214, 586, 497, 389, 324, 325, 213,
-	0, 452, 267, 292, 0, 0, 257, 410, 581, 582,
-	255, 639, 227, 610, 219, 0, 609, 403, 576, 587,
-	390, 379, 218, 585, 388, 378, 332, 351, 352, 279,
-	305, 442, 371, 443, 304, 306, 399, 398, 400, 206,
-	598, 0, 207, 0, 493, 599, 640, 447, 211, 233,
-	234, 236, 0, 278, 282, 290, 293, 301, 302, 311,
-	363, 414, 441, 437, 446, 0, 571, 592, 604, 615,
-	621, 622, 624, 625, 626, 627, 628, 631, 629, 402,
-	309, 489, 331, 369, 0, 0, 420, 467, 239, 596,
-	490, 199, 0, 0, 0, 0, 253, 254, 0, 567,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 641,
-	642, 643, 644, 645, 646, 647, 648, 649, 650, 651,
-	652, 653, 654, 655, 656, 657, 658, 636, 500, 506,
-	501, 502, 503, 504, 505, 0, 507, 0, 0, 0,
-	0, 0, 0, 583, 584, 659, 380, 480, 593, 333,
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+	444, 532, 534, 545, 549, 551, 553, 559, 562, 533,
+	535, 546, 550, 552, 554, 560, 563, 522, 524, 526,
+	528, 541, 540, 537, 565, 566, 543, 548, 527, 539,
+	544, 557, 564, 561, 521, 525, 529, 538, 556, 555,
+	536, 547, 558, 542, 530, 523, 531, 0, 196, 220,
+	364, 0, 449, 287, 637, 606, 601, 205, 222, 0,
+	261, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 321, 247, 323, 202, 408, 492, 285,
-	0, 0, 0, 0, 0, 194, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 237, 0, 0, 244, 0,
-	0, 0, 347, 356, 355, 336, 337, 339, 341, 346,
-	353, 359, 0, 0, 0, 0, 0, 264, 319, 271,
-	263, 572, 0, 0, 0, 0, 0, 0, 0, 0,
-	228, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 274, 0, 0, 0, 0,
+	0, 0, 198, 200, 208, 221, 231, 235, 242, 260,
+	275, 277, 284, 297, 308, 316, 317, 320, 326, 376,
+	382, 383, 384, 385, 404, 405, 406, 409, 412, 413,
+	416, 418, 419, 422, 426, 430, 431, 432, 434, 436,
+	438, 450, 455, 469, 470, 471, 472, 473, 476, 477,
+	482, 483, 484, 485, 486, 494, 495, 508, 578, 580,
+	595, 613, 619, 475, 299, 300, 439, 440, 312, 313,
+	633, 634, 298, 590, 620, 588, 632, 614, 433, 374,
+	0, 0, 377, 280, 303, 318, 0, 605, 496, 226,
+	461, 289, 250, 0, 0, 210, 245, 229, 258, 273,
+	276, 322, 387, 395, 424, 429, 295, 270, 243, 454,
+	240, 479, 511, 512, 513, 515, 391, 265, 428, 392,
+	0, 372, 568, 569, 314, 520, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 411, 0, 0,
+	0, 0, 0, 0, 0, 0, 269, 0, 0, 0,
+	0, 362, 266, 0, 0, 425, 0, 203, 0, 481,
+	251, 373, 370, 575, 281, 272, 268, 249, 315, 381,
+	423, 510, 417, 0, 366, 0, 0, 491, 396, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 321, 247, 323, 202, 408, 492,
+	285, 0, 0, 0, 0, 0, 194, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 237, 0, 0, 244,
+	0, 0, 0, 347, 356, 355, 336, 337, 339, 341,
+	346, 353, 359, 0, 0, 0, 0, 0, 264, 319,
+	271, 263, 572, 0, 0, 0, 0, 0, 0, 0,
+	0, 228, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 274, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 296, 0, 397,
-	256, 0, 448, 0, 0, 0, 616, 0, 0, 0,
-	0, 0, 0, 0, 361, 0, 328, 197, 224, 0,
-	0, 407, 456, 468, 0, 0, 0, 252, 0, 466,
-	421, 594, 232, 283, 453, 427, 464, 435, 286, 0,
-	0, 465, 368, 577, 445, 591, 617, 618, 262, 401,
-	603, 514, 611, 635, 225, 259, 415, 499, 597, 488,
-	393, 573, 574, 327, 487, 294, 201, 365, 623, 223,
-	474, 367, 241, 230, 579, 600, 288, 451, 630, 212,
-	509, 589, 238, 478, 0, 0, 638, 246, 498, 214,
-	586, 497, 389, 324, 325, 213, 0, 452, 267, 292,
-	0, 0, 257, 410, 581, 582, 255, 639, 227, 610,
-	219, 0, 609, 403, 576, 587, 390, 379, 218, 585,
-	388, 378, 332, 351, 352, 279, 305, 442, 371, 443,
-	304, 306, 399, 398, 400, 206, 598, 0, 207, 0,
-	493, 599, 640, 447, 211, 233, 234, 236, 0, 278,
-	282, 290, 293, 301, 302, 311, 363, 414, 441, 437,
-	446, 0, 571, 592, 604, 615, 621, 622, 624, 625,
-	626, 627, 628, 631, 629, 402, 309, 489, 331, 369,
-	0, 0, 420, 467, 239, 596, 490, 199, 0, 0,
-	0, 0, 253, 254, 0, 567, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 641, 642, 643, 644, 645,
-	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
-	656, 657, 658, 636, 500, 506, 501, 502, 503, 504,
-	505, 0, 507, 0, 0, 0, 0, 0, 0, 583,
-	584, 659, 380, 480, 593, 333, 345, 348, 338, 357,
-	0, 358, 334, 335, 340, 342, 343, 344, 349, 350,
-	354, 360, 248, 209, 386, 394, 570, 310, 215, 216,
-	217, 516, 517, 518, 519, 607, 608, 612, 204, 457,
-	458, 459, 460, 291, 602, 307, 463, 462, 329, 330,
-	375, 444, 532, 534, 545, 549, 551, 553, 559, 562,
-	533, 535, 546, 550, 552, 554, 560, 563, 522, 524,
-	526, 528, 541, 540, 537, 565, 566, 543, 548, 527,
-	539, 544, 557, 564, 561, 521, 525, 529, 538, 556,
-	555, 536, 547, 558, 542, 530, 523, 531, 0, 196,
-	220, 364, 0, 449, 287, 637, 606, 601, 205, 222,
-	0, 261, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 198, 200, 208, 221, 231, 235, 242,
-	260, 275, 277, 284, 297, 308, 316, 317, 320, 326,
-	376, 382, 383, 384, 385, 404, 405, 406, 409, 412,
-	413, 416, 418, 419, 422, 426, 430, 431, 432, 434,
-	436, 438, 450, 455, 469, 470, 471, 472, 473, 476,
-	477, 482, 483, 484, 485, 486, 494, 495, 508, 578,
-	580, 595, 613, 619, 475, 299, 300, 439, 440, 312,
-	313, 633, 634, 298, 590, 620, 588, 632, 614, 433,
-	374, 0, 0, 377, 280, 303, 318, 0, 605, 496,
-	226, 461, 289, 250, 0, 0, 210, 245, 229, 258,
-	273, 276, 322, 387, 395, 424, 429, 295, 270, 243,
-	454, 240, 479, 511, 512, 513, 515, 391, 265, 428,
-	0, 0, 372, 568, 569, 314,
+	0, 0, 0, 0, 0, 0, 0, 0, 296, 0,
+	397, 256, 0, 448, 0, 0, 0, 616, 0, 0,
+	0, 0, 0, 0, 0, 361, 0, 328, 197, 224,
+	0, 0, 407, 456, 468, 0, 0, 0, 252, 0,
+	466, 421, 594, 232, 283, 453, 427, 464, 435, 286,
+	0, 0, 465, 368, 577, 445, 591, 617, 618, 262,
+	401, 603, 514, 611, 635, 225, 259, 415, 499, 597,
+	488, 393, 573, 574, 327, 487, 294, 201, 365, 623,
+	223, 474, 367, 241, 230, 579, 600, 288, 451, 630,
+	212, 509, 589, 238, 478, 0, 0, 638, 246, 498,
+	214, 586, 497, 389, 324, 325, 213, 0, 452, 267,
+	292, 0, 0, 257, 410, 581, 582, 255, 639, 227,
+	610, 219, 0, 609, 403, 576, 587, 390, 379, 218,
+	585, 388, 378, 332, 351, 352, 279, 305, 442, 371,
+	443, 304, 306, 399, 398, 400, 206, 598, 0, 207,
+	0, 493, 599, 640, 447, 211, 233, 234, 236, 0,
+	278, 282, 290, 293, 301, 302, 311, 363, 414, 441,
+	437, 446, 0, 571, 592, 604, 615, 621, 622, 624,
+	625, 626, 627, 628, 631, 629, 402, 309, 489, 331,
+	369, 0, 0, 420, 467, 239, 596, 490, 199, 0,
+	0, 0, 0, 253, 254, 0, 567, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 641, 642, 643, 644,
+	645, 646, 647, 648, 649, 650, 651, 652, 653, 654,
+	655, 656, 657, 658, 636, 500, 506, 501, 502, 503,
+	504, 505, 0, 507, 0, 0, 0, 0, 0, 0,
+	583, 584, 659, 380, 480, 593, 333, 345, 348, 338,
+	357, 0, 358, 334, 335, 340, 342, 343, 344, 349,
+	350, 354, 360, 248, 209, 386, 394, 570, 310, 215,
+	216, 217, 516, 517, 518, 519, 607, 608, 612, 204,
+	457, 458, 459, 460, 291, 602, 307, 463, 462, 329,
+	330, 375, 444, 532, 534, 545, 549, 551, 553, 559,
+	562, 533, 535, 546, 550, 552, 554, 560, 563, 522,
+	524, 526, 528, 541, 540, 537, 565, 566, 543, 548,
+	527, 539, 544, 557, 564, 561, 521, 525, 529, 538,
+	556, 555, 536, 547, 558, 542, 530, 523, 531, 0,
+	196, 220, 364, 0, 449, 287, 637, 606, 601, 205,
+	222, 0, 261, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 198, 200, 208, 221, 231, 235,
+	242, 260, 275, 277, 284, 297, 308, 316, 317, 320,
+	326, 376, 382, 383, 384, 385, 404, 405, 406, 409,
+	412, 413, 416, 418, 419, 422, 426, 430, 431, 432,
+	434, 436, 438, 450, 455, 469, 470, 471, 472, 473,
+	476, 477, 482, 483, 484, 485, 486, 494, 495, 508,
+	578, 580, 595, 613, 619, 475, 299, 300, 439, 440,
+	312, 313, 633, 634, 298, 590, 620, 588, 632, 614,
+	433, 374, 0, 0, 377, 280, 303, 318, 0, 605,
+	496, 226, 461, 289, 250, 0, 0, 210, 245, 229,
+	258, 273, 276, 322, 387, 395, 424, 429, 295, 270,
+	243, 454, 240, 479, 511, 512, 513, 515, 391, 265,
+	428, 0, 0, 372, 568, 569, 314,
 }
 
 var yyPact = [...]int{
-	-1000, -1000, 1319, -1000, -532, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 4250, -1000, -531, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 2401, 2519, -1000, -1000, -1000, -1000, 2569, -1000, 1002,
-	2074, -1000, 2363, 4957, -1000, 54244, 500, -1000, 51356, -436,
-	860, 234, 35472, -1000, 207, -1000, 193, 52800, 199, -1000,
-	-1000, -1000, -1000, -436, 21030, 2277, 56, 52, 54244, -1000,
-	-1000, -1000, -1000, -353, 2542, 2069, -1000, 408, -1000, -1000,
-	-1000, -1000, -1000, -1000, 50634, -1000, 1098, -1000, -1000, 2359,
-	2349, 2577, 915, 2304, -1000, 2461, 2069, -1000, 21030, 2498,
-	2432, 20308, 20308, 462, -1000, -1000, 268, -1000, -1000, 30418,
-	54244, 38360, 890, -1000, 2363, -1000, -1000, -1000, 219, -1000,
-	378, 1978, -1000, 1977, -1000, 469, 899, 392, 871, 868,
-	391, 389, 388, 379, 377, 376, 375, 369, 398, -1000,
-	938, 938, -218, -219, 361, 450, 448, 448, 1108, 479,
-	2320, 2316, -1000, -1000, 938, 938, 938, 396, 938, 938,
-	938, 938, 321, 320, 938, 938, 938, 938, 938, 938,
-	938, 938, 938, 938, 938, 938, 938, 938, 938, 938,
-	938, 902, 2363, 300, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, 2428, 2452, -1000, -1000, -1000, -1000, 2631, -1000, 1002,
+	2052, -1000, 2359, 1930, -1000, 54375, 787, -1000, 51487, -434,
+	896, 236, 35603, -1000, 197, -1000, 184, 52931, 192, -1000,
+	-1000, -1000, -1000, -434, 21161, 2287, 51, 50, 54375, -1000,
+	-1000, -1000, -1000, -355, 2550, 2018, -1000, 415, -1000, -1000,
+	-1000, -1000, -1000, -1000, 50765, -1000, 1090, -1000, -1000, 2388,
+	2373, 2258, 921, 2282, -1000, 2481, 2018, -1000, 21161, 2532,
+	2461, 20439, 20439, 486, -1000, -1000, 315, -1000, -1000, 30549,
+	54375, 38491, 285, -1000, 2359, -1000, -1000, -1000, 211, -1000,
+	389, 1956, -1000, 1953, -1000, 905, 1063, 429, 862, 839,
+	428, 425, 422, 401, 399, 394, 393, 392, 403, -1000,
+	941, 941, -208, -209, 1028, 478, 473, 473, 1105, 502,
+	2330, 2311, -1000, -1000, 941, 941, 941, 350, 941, 941,
+	941, 941, 353, 340, 941, 941, 941, 941, 941, 941,
+	941, 941, 941, 941, 941, 941, 941, 941, 941, 941,
+	941, 926, 2359, 303, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -7226,66 +7239,66 @@ var yyPact = [...]int{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	54244, 210, 54244, -1000, 809, 499, -1000, -1000, -440, 1090,
-	1090, 122, 1090, 1090, 1090, 1090, 184, 973, 49, -1000,
-	182, 284, 197, 293, 1079, 183, -1000, -1000, 258, 1079,
-	1806, -1000, 923, 281, 163, -1000, 1090, 1090, -1000, 13785,
-	209, 13785, 13785, -1000, 2345, -1000, -1000, -1000, -1000, -1000,
-	1333, -1000, -1000, -1000, -1000, -18, 478, -1000, -1000, -1000,
-	-1000, 52800, 49912, 290, -1000, -1000, 769, 1852, 1371, 21030,
-	1291, 913, -1000, -1000, 1976, 876, -1000, -1000, -1000, -1000,
-	-1000, 800, -1000, 23196, 23196, 23196, 23196, -1000, -1000, 1983,
-	49190, 1983, 1983, 23196, 1983, 23196, 1983, 1983, 1983, 21030,
-	1983, 1983, 1983, 1983, -1000, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, -1000, -1000, -1000, -1000, 1983, 808, 1983, 1983,
-	1983, 1983, 1983, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	1983, 1983, 1983, 1983, 1983, 1983, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, -1000,
+	54375, 232, 54375, -1000, 849, 786, -1000, -1000, -438, 1088,
+	1088, 71, 1088, 1088, 1088, 1088, 209, 999, 48, -1000,
+	174, 266, 190, 273, 1094, 817, -1000, -1000, 268, 1094,
+	1807, -1000, 930, 270, 181, -1000, 1088, 1088, -1000, 13916,
+	206, 13916, 13916, -1000, 2345, -1000, -1000, -1000, -1000, -1000,
+	1311, -1000, -1000, -1000, -1000, -26, 500, -1000, -1000, -1000,
+	-1000, 52931, 50043, 275, -1000, -1000, 47, 1568, 1452, 21161,
+	1473, 919, -1000, -1000, 1225, 899, -1000, -1000, -1000, -1000,
+	-1000, 819, -1000, 23327, 23327, 23327, 23327, -1000, -1000, 1962,
+	49321, 1962, 1962, 23327, 1962, 23327, 1962, 1962, 1962, 21161,
+	1962, 1962, 1962, 1962, -1000, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, -1000, -1000, -1000, -1000, 1962, 847, 1962, 1962,
+	1962, 1962, 1962, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	1962, 1962, 1962, 1962, 1962, 1962, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	26084, 1500, 1498, 1493, -1000, 18142, 1983, -1000, -1000, -1000,
+	26215, 1547, 1544, 1531, -1000, 18273, 1962, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 54244, -1000, 1983,
-	218, 52800, 52800, 397, 1334, -1000, -1000, 2461, 2069, -1000,
-	2542, 2477, 408, -1000, 3785, 1628, 1721, 1532, 2069, 1956,
-	54244, -1000, 1992, -1000, -1000, -1000, -1000, 2207, 1524, 1804,
-	-1000, -1000, -1000, -1000, 1907, 21030, -1000, -1000, 2557, -1000,
-	27529, 805, 2554, 48468, -1000, 462, 462, 1975, 430, 22,
-	-1000, -1000, -1000, -1000, 962, 34750, -1000, -1000, -1000, -1000,
-	-1000, 1902, 54244, -1000, -1000, 4793, 1173, -1000, 2071, -1000,
-	1842, -1000, 2014, 21030, 2080, 498, 1173, 491, 490, 489,
-	-1000, -64, -1000, -1000, -1000, -1000, -1000, -1000, 938, 938,
-	938, -1000, 343, 2495, 4957, 6237, -1000, -1000, -1000, 47746,
-	2067, 1173, -1000, 2053, -1000, 1041, 859, 870, 870, 1173,
-	-1000, -1000, 53522, 1173, 1040, 1031, 1173, 1173, 52800, 52800,
-	-1000, 47024, -1000, 46302, 45580, 1331, 52800, 44858, 44136, 43414,
-	42692, 41970, -1000, 2330, -1000, 2133, -1000, -1000, -1000, 53522,
-	1173, 1173, 53522, 52800, 53522, 54244, 1173, -1000, -1000, 360,
-	-1000, -1000, 1330, 1328, 1327, 938, 938, 1326, 1800, 1798,
-	1787, 938, 938, 1295, 1782, 36916, 1765, 286, 1293, 1292,
-	1289, 1290, 1746, 229, 1719, 1281, 1230, 1288, 52800, 2036,
-	54244, -1000, 254, 945, 994, 958, 2363, 2276, 1967, 476,
-	494, 1173, 451, 451, 52800, -1000, 14513, 54244, 217, -1000,
-	1707, 21030, -1000, 1080, 1079, 1079, -1000, -1000, -1000, -1000,
-	-1000, -1000, 1090, 54244, 1080, -1000, -1000, -1000, 1079, 1090,
-	54244, 1090, 1090, 1090, 1090, 1079, 1079, 1079, 1090, 54244,
-	54244, 54244, 54244, 54244, 54244, 54244, 54244, 54244, 13785, 923,
-	1090, -441, -1000, 1672, -1000, -1000, 2171, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 54375, -1000, 1962,
+	219, 52931, 52931, 380, 1318, -1000, -1000, 2481, 2018, -1000,
+	2550, 2651, 415, -1000, 3017, 1518, 1402, 1366, 2018, 1923,
+	54375, -1000, 1973, -1000, -1000, -1000, -313, -318, 2194, 1396,
+	1788, -1000, -1000, -1000, -1000, 2250, 21161, -1000, -1000, 2616,
+	-1000, 27660, 845, 2609, 48599, -1000, 486, 486, 1951, 417,
+	27, -1000, -1000, -1000, -1000, 982, 34881, -1000, -1000, -1000,
+	-1000, -1000, 1813, 54375, -1000, -1000, 4892, 1324, -1000, 2050,
+	-1000, 1802, -1000, 1996, 21161, 2060, 785, 1324, 765, 524,
+	519, -1000, -53, -1000, -1000, -1000, -1000, -1000, -1000, 941,
+	941, 941, -1000, 402, 2526, 1930, 6275, -1000, -1000, -1000,
+	47877, 2047, 1324, -1000, 2030, -1000, 1051, 884, 865, 865,
+	1324, -1000, -1000, 53653, 1324, 1049, 1046, 1324, 1324, 52931,
+	52931, -1000, 47155, -1000, 46433, 45711, 1316, 52931, 44989, 44267,
+	43545, 42823, 42101, -1000, 2395, -1000, 2027, -1000, -1000, -1000,
+	53653, 1324, 1324, 53653, 52931, 53653, 54375, 1324, -1000, -1000,
+	361, -1000, -1000, 1314, 1313, 1312, 941, 941, 1309, 1778,
+	1777, 1776, 941, 941, 1305, 1768, 37047, 1754, 284, 1287,
+	1283, 1282, 1335, 1732, 193, 1731, 1310, 1279, 1281, 52931,
+	2022, 54375, -1000, 260, 977, 979, 967, 2359, 2272, 1941,
+	492, 784, 1324, 476, 476, 52931, -1000, 14644, 54375, 242,
+	-1000, 1730, 21161, -1000, 1113, 1094, 1094, -1000, -1000, -1000,
+	-1000, -1000, -1000, 1088, 54375, 1113, -1000, -1000, -1000, 1094,
+	1088, 54375, 1088, 1088, 1088, 1088, 1094, 1094, 1094, 1088,
+	54375, 54375, 54375, 54375, 54375, 54375, 54375, 54375, 54375, 13916,
+	930, 1088, -440, -1000, 1728, -1000, -1000, 2172, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -7301,327 +7314,328 @@ var yyPact = [...]int{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 13785, 13785, -1000, -1000, -1000, -1000,
-	-1000, 1966, -1000, 189, 26, 196, -1000, 41248, 480, 957,
-	-1000, 480, -1000, -1000, -1000, 1964, 40526, -1000, -445, -446,
-	-447, -450, -1000, -1000, -1000, -451, -453, -1000, -1000, -1000,
-	21030, 21030, 21030, 21030, -268, -1000, 1216, 23196, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 21030, 224, 997, 23196, 23196,
-	23196, 23196, 23196, 23196, 23196, 24640, 23918, 23196, 23196, 23196,
-	23196, 23196, 23196, -1000, -1000, 32584, 5973, 5973, 876, 876,
-	876, 876, -1000, -175, 1963, 53522, -1000, -1000, -1000, 798,
-	21030, 21030, 876, -1000, 1173, 2944, 18142, 20308, 20308, 21030,
-	967, 1371, 53522, 21030, -1000, 1532, -1000, -1000, -1000, -1000,
-	1207, -1000, -1000, 1093, 2354, 2354, 2354, 2354, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 2354, 21030,
-	1270, 1270, 833, 21030, 21030, 21030, 21030, 21030, 21030, 16697,
-	21030, 21030, 23196, 21030, 21030, 21030, 1532, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 1532, 21030, 1536, 21030,
-	21030, 21030, 21030, 21030, 21030, 20308, 15969, 20308, 20308, 20308,
-	20308, 20308, -1000, -1000, -1000, -1000, -1000, -1000, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 1532, 21030, 21030, 21030,
-	21030, 21030, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, 1568, 1629, 1527, 21030, -1000, 1960, -1000, -184,
-	29696, 21030, 1658, 2551, 2105, 52800, -1000, -1000, -1000, -1000,
-	2461, -1000, 2461, 1568, 3572, 2218, 20308, -1000, -1000, 3572,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1667, -1000,
-	54244, 1956, 2407, 52800, 2222, 1655, 357, -1000, 21030, 21030,
-	1955, -1000, 1799, 54244, -1000, -268, -1000, 39804, -1000, -1000,
-	13057, 54244, 346, 54244, -1000, 28974, 39082, 265, -1000, 22,
-	1936, -1000, 25, 17, 17419, 864, -1000, -1000, -1000, 361,
-	25362, 1737, 864, 103, -1000, -1000, -1000, 2014, -1000, 2014,
-	2014, 2014, 2014, 357, 357, 357, 357, -1000, -1000, -1000,
-	-1000, -1000, 2034, 2032, -1000, 2014, 2014, 2014, 2014, -1000,
+	-1000, -1000, -1000, -1000, -1000, 13916, 13916, -1000, -1000, -1000,
+	-1000, -1000, 1940, -1000, 178, 19, 187, -1000, 41379, 518,
+	962, -1000, 518, -1000, -1000, -1000, 1933, 40657, -1000, -441,
+	-442, -448, -449, -1000, -1000, -1000, -451, -455, -1000, -1000,
+	-1000, 21161, 21161, 21161, 21161, -238, -1000, 1205, 23327, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 21161, 251, 940, 23327,
+	23327, 23327, 23327, 23327, 23327, 23327, 24771, 24049, 23327, 23327,
+	23327, 23327, 23327, 23327, -1000, -1000, 32715, 3220, 3220, 899,
+	899, 899, 899, -1000, -164, 1932, 53653, -1000, -1000, -1000,
+	844, 21161, 21161, 899, -1000, 1324, 1780, 18273, 20439, 20439,
+	21161, 944, 1452, 53653, 21161, -1000, 1366, -1000, -1000, -1000,
+	-1000, 1179, -1000, -1000, 1112, 2332, 2332, 2332, 2332, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 2332,
+	21161, 147, 147, 237, 21161, 21161, 21161, 21161, 21161, 21161,
+	16828, 21161, 21161, 23327, 21161, 21161, 21161, 1366, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 1366, 21161, 1245,
+	21161, 21161, 21161, 21161, 21161, 21161, 20439, 16100, 20439, 20439,
+	20439, 20439, 20439, -1000, -1000, -1000, -1000, -1000, -1000, 21161,
+	21161, 21161, 21161, 21161, 21161, 21161, 21161, 1366, 21161, 21161,
+	21161, 21161, 21161, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, 1746, 1727, 1405, 21161, -1000, 1927, -1000,
+	-184, 29827, 21161, 1725, 2599, 2068, 52931, -1000, -1000, -1000,
+	-1000, 2481, -1000, 2481, 1746, 3012, 2199, 20439, -1000, -1000,
+	3012, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1784,
+	-1000, 54375, 1923, 2454, 52931, -1000, -268, -1000, -274, 2190,
+	1714, 352, -1000, 21161, 21161, 1920, -1000, 1493, 54375, -1000,
+	-238, -1000, 39935, -1000, -1000, 13188, 54375, 390, 54375, -1000,
+	29105, 39213, 304, -1000, 27, 1870, -1000, 23, 13, 17550,
+	898, -1000, -1000, -1000, 1028, 25493, 1827, 898, 107, -1000,
+	-1000, -1000, 1996, -1000, 1996, 1996, 1996, 1996, 352, 352,
+	352, 352, -1000, -1000, -1000, -1000, -1000, 2019, 2016, -1000,
+	1996, 1996, 1996, 1996, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 2031, 2031, 2031, 2029,
-	2029, 2015, 2015, 435, -1000, 21030, 416, 38360, 2419, 1282,
-	1219, 254, 453, 2103, 1173, 1173, 1173, 453, -1000, 1425,
-	1398, 1383, -1000, -518, 1950, -1000, -1000, 2493, -1000, -1000,
-	960, 1057, 1056, 1117, 52800, 236, 334, -1000, 431, -1000,
-	38360, 1173, 1028, 870, 1173, -1000, 1173, -1000, -1000, -1000,
-	-1000, -1000, 1173, -1000, -1000, 1949, -1000, 1845, 1168, 1055,
-	1131, 1054, 1949, -1000, -1000, -182, 1949, -1000, 1949, -1000,
-	1949, -1000, 1949, -1000, 1949, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 981, 304, -307, 52800, 236, 470,
-	-1000, 468, 32584, -1000, -1000, -1000, 32584, 32584, -1000, -1000,
-	-1000, -1000, 1637, 1625, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, 2012, 2012, 2012, 2008, 2008, 1997, 1997, 467, -1000,
+	21161, 397, 38491, 2396, 1274, 1782, 260, 477, 2065, 1324,
+	1324, 1324, 477, -1000, 1354, 1348, 1336, -1000, -509, 1919,
+	-1000, -1000, 2522, -1000, -1000, 923, 1078, 1071, 1076, 52931,
+	221, 360, -1000, 456, -1000, 38491, 1324, 1044, 865, 1324,
+	-1000, 1324, -1000, -1000, -1000, -1000, -1000, 1324, -1000, -1000,
+	1916, -1000, 1889, 1127, 1070, 1122, 1069, 1916, -1000, -1000,
+	-173, 1916, -1000, 1916, -1000, 1916, -1000, 1916, -1000, 1916,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1016,
+	306, -325, 52931, 221, 490, -1000, 489, 32715, -1000, -1000,
+	-1000, 32715, 32715, -1000, -1000, -1000, -1000, 1711, 1692, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -502, 54244, -1000, 248, 956, 324, 335,
-	353, 54244, 352, 2439, 2434, 2427, 2418, 2414, 305, 316,
-	54244, 54244, 451, 2157, 54244, 2377, 54244, -1000, -1000, -1000,
-	-1000, -1000, 1622, 1620, -1000, 1371, 54244, -1000, -1000, 1090,
-	1090, -1000, -1000, 54244, 1090, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 1090, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 54244,
-	-1000, -1000, -1000, -1000, -18, 187, -1000, -1000, 52800, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -104, -1000,
-	801, 15, 409, -1000, -1000, -1000, -1000, -1000, 2457, -1000,
-	1371, 1009, 1006, -1000, 1983, -1000, -1000, 1069, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 224, 23196, 23196, 23196,
-	1598, 828, 1429, 1392, 1229, 1239, 1239, 929, 23196, 929,
-	23196, 863, 863, 863, 863, 863, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 1616, -1000, 1983, 53522, 1817, 15969,
-	1952, 2163, 1532, 908, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -500, 54375,
+	-1000, 243, 959, 317, 377, 376, 54375, 238, 2464, 2463,
+	2453, 2437, 2413, 362, 335, 54375, 54375, 476, 2129, 54375,
+	2404, 54375, -1000, -1000, -1000, -1000, -1000, 1678, 1670, -1000,
+	1452, 54375, -1000, -1000, 1088, 1088, -1000, -1000, 54375, 1088,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1088, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 4134, 1813, -1000, 1813, 1503, 971,
-	-1000, 21030, 1532, 4125, -1000, -1000, 1532, 1532, 21030, -1000,
-	-1000, 21030, 21030, 21030, 21030, 1219, 1219, 1219, 1219, 1219,
-	1219, 1219, 1219, 1219, 1219, 21030, 1219, 1948, -1000, -1000,
+	-1000, -1000, -1000, -1000, 54375, -1000, -1000, -1000, -1000, -26,
+	176, -1000, -1000, 52931, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -105, -1000, 255, 16, 416, -1000, -1000,
+	-1000, -1000, -1000, 2475, -1000, 1452, 1026, 1015, -1000, 1962,
+	-1000, -1000, 1172, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, 251, 23327, 23327, 23327, 1342, 824, 1188, 1388, 1408,
+	1429, 1429, 969, 23327, 969, 23327, 903, 903, 903, 903,
+	903, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1629,
+	-1000, 1962, 53653, 1722, 16100, 1638, 2210, 1366, 914, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 1943, 2541, 1314, 1219,
-	1219, 1219, 1219, 1219, 21030, 2187, -1000, -1000, -1000, 1534,
-	4120, 1369, 4115, 1219, 1219, -1000, 1219, 4111, 4092, 1532,
-	1852, 2876, 2871, 1219, 1219, 1219, 1219, 1219, 2863, 2802,
-	1219, 1219, 2756, 1219, 3876, 1219, 2721, 2680, 2675, 2633,
-	2619, 2614, 2603, 2597, 2555, 2540, 2533, 2528, 2510, 2506,
-	2491, 2469, 2435, 2428, 1219, 1219, 1219, 3844, 1219, 3819,
-	1219, 3812, 1219, 1219, 3807, 2412, 2403, 1532, 1942, -1000,
-	3803, 1219, 3525, 3514, 3476, 2399, 3448, 3439, 3434, 1219,
-	1219, 1219, 2329, 3426, 3420, 3416, 3406, 3402, 3377, 3369,
-	3360, 3346, 1219, 1527, 1527, 1527, 1527, 1527, 3335, -271,
-	1219, 1532, -1000, -1000, -1000, -1000, -1000, 3331, 2324, 3320,
-	3316, 3289, 3275, 1532, 1938, 1983, 795, -1000, -1000, 1813,
-	1532, 1532, 1813, 1813, 3206, 3190, 3017, 2996, 2959, 2939,
-	1219, 1219, -1000, 1219, 2908, 2902, 2312, 2303, 1532, -1000,
-	1527, 54244, -1000, -431, -1000, -7, 936, 1983, -1000, 36916,
-	1532, -1000, 5074, -1000, 1233, -1000, -1000, -1000, -1000, -1000,
-	34028, 1951, 3572, -1000, -1000, 1983, 1776, -1000, -1000, 357,
-	90, 33306, 857, 857, 128, 1371, 1371, 21030, -1000, -1000,
-	-1000, -1000, -1000, -1000, 792, 2512, 400, 1983, -1000, 1979,
-	3285, -1000, -1000, -1000, 2402, 26807, -1000, -1000, 1983, 1983,
-	54244, 1937, 1931, -1000, 790, -1000, 1255, 1936, 22, 8,
-	-1000, -1000, -1000, -1000, 1371, -1000, 1348, 356, 341, -1000,
-	438, -1000, -1000, -1000, -1000, 2290, 92, -1000, -1000, -1000,
-	365, 357, -1000, -1000, -1000, -1000, -1000, -1000, 1611, 1611,
-	-1000, -1000, -1000, -1000, -1000, 1280, -1000, -1000, -1000, -1000,
-	1278, -1000, -1000, 1271, -1000, -1000, 2641, 2129, 416, -1000,
-	-1000, 938, 1609, -1000, -1000, 2305, 938, 938, 52800, -1000,
-	-1000, 1722, 2419, 248, 54244, 986, 2156, -1000, 2103, 2103,
-	2103, 54244, -1000, -1000, -1000, -1000, -1000, -1000, -504, 165,
-	618, -1000, -1000, -1000, 2008, 52800, 1758, -1000, 232, -1000,
-	1718, -1000, 52800, -1000, 1742, 2028, 1173, 1173, -1000, -1000,
-	-1000, 52800, 1983, -1000, -1000, -1000, -1000, 493, 2358, 297,
-	-1000, -1000, -290, -1000, -1000, 236, 232, 53522, 1173, 864,
-	-1000, -1000, -1000, -1000, -1000, -505, 1734, 481, 239, 329,
-	54244, 54244, 54244, 54244, 54244, 54244, 512, -1000, -1000, 35,
-	-1000, -1000, 215, -1000, -1000, -1000, -1000, 215, -1000, -1000,
-	-1000, -1000, 307, 466, -1000, 54244, 54244, 914, -1000, -1000,
-	-1000, -1000, -1000, 1079, -1000, -1000, 1079, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 2343,
-	54244, 10, -471, -1000, -468, 21030, -1000, -1000, -1000, -1000,
-	1312, 496, 1429, 23196, 23196, 2944, 2944, 23196, -1000, -1000,
-	-1000, 350, 350, 32584, -1000, 23196, 21030, 20308, -1000, -1000,
-	21030, 21030, 961, -1000, 21030, 1167, -1000, 21030, -1000, -1000,
-	1527, 1219, 1219, 1219, 1219, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 1896, -1000, 21030, 21030, 21030,
-	1532, 312, -1000, -1000, -1000, -1000, -1000, 2538, -1000, 21030,
-	-1000, 32584, 21030, 21030, 21030, -1000, -1000, -1000, 21030, 21030,
-	-1000, -1000, 21030, -1000, 21030, -1000, -1000, -1000, -1000, -1000,
-	-1000, 21030, -1000, 21030, -1000, -1000, -1000, 21030, -1000, 21030,
-	-1000, -1000, 21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000, -1000, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, -1000, 21030, -1000, 21030,
-	-1000, 21030, -1000, 21030, 21030, -1000, 21030, 21030, 21030, -1000,
-	21030, 21030, 21030, 21030, -1000, -1000, -1000, -1000, 21030, 21030,
-	21030, 21030, 21030, 21030, 21030, 21030, 21030, 21030, -1000, -1000,
-	-1000, -1000, -1000, -1000, 21030, -1000, 38360, 23, -271, 1536,
-	23, 1536, 22474, 813, 811, 21752, -1000, 20308, 15241, -1000,
-	-1000, -1000, -1000, -1000, 21030, 21030, 21030, 21030, 21030, 21030,
-	-1000, -1000, -1000, 21030, 21030, -1000, 21030, -1000, 21030, -1000,
-	-1000, -1000, -1000, -1000, 936, -1000, 870, 870, 870, 52800,
-	-1000, -1000, -1000, -1000, 1932, -1000, 2438, -1000, 2238, 2235,
-	2536, 2512, -1000, 28974, 3572, -1000, -1000, 52800, -423, -1000,
-	2270, 2357, 857, 857, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 12329, 2461, 21030, 2153, 53522, 247, -1000, 28252, 52800,
-	53522, 28974, 28974, 28974, 28974, 28974, -1000, 2196, 2195, -1000,
-	2225, 2215, 2318, 54244, -1000, 1568, 1732, -1000, 21030, 31140,
-	1922, 28974, -1000, -1000, 28974, 54244, 11601, -1000, -1000, 2,
-	-13, -1000, -1000, -1000, -1000, 361, -1000, -1000, 1550, 2400,
-	2282, -1000, -1000, -1000, -1000, -1000, 1728, -1000, 1717, 1926,
-	1711, 1704, 304, -1000, 2047, 2326, 938, 938, -1000, 1254,
-	-1000, 1173, 1599, 1593, -1000, -1000, -1000, 472, -1000, 2375,
-	54244, 2151, 2150, 2149, -1000, -515, 1251, 2026, 1982, 21030,
-	2024, 2492, 1882, 52800, -1000, -1000, 53522, -1000, 294, -1000,
-	416, 52800, -1000, -1000, -1000, 334, 54244, -1000, 8486, -1000,
-	-1000, -1000, 232, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	54244, 271, -1000, 2020, 1274, -1000, -1000, 2088, -1000, -1000,
-	-1000, -1000, -1000, 216, 190, 1566, 213, 1560, 213, -1000,
-	54244, 911, 2129, 54244, -1000, -1000, -1000, 1090, 1090, -1000,
-	-1000, 2325, -1000, 1173, 1219, 23196, 23196, -1000, 876, -1000,
-	-1000, 384, -248, 2014, 2014, -1000, 2014, 2015, -1000, 2014,
-	174, 2014, 172, 2014, -1000, -1000, 1532, 1532, -1000, 1527,
-	-1000, 2287, 1181, -1000, 1371, 21030, 2889, -1000, -1000, -1000,
-	-1000, -1000, -71, 2842, 2833, 1219, -1000, 2013, 2012, 21030,
-	1219, 1532, 2279, 1219, 1219, 1219, 1219, 1219, 1219, 1219,
-	1219, 1219, 1219, 1219, 1219, 2231, 2221, 2211, 2206, 2201,
-	2192, 2183, 2172, 2124, 2110, 2104, 2064, 2037, 2017, 1946,
-	1940, 1219, 1219, 1934, 1219, 1919, 1859, -1000, 1371, 1527,
-	2516, 1527, 1219, 1219, 2445, 313, 1219, 1702, 1702, 1702,
-	1702, 1702, 1527, 1527, 1527, 1527, 1219, 52800, -1000, -271,
-	-1000, -1000, -310, -311, -1000, 1532, -271, 1918, 23196, 1219,
-	23196, 23196, 23196, 1219, 1532, -1000, 1846, 1825, 2081, 1815,
-	1219, 2042, 1219, 1219, 1219, 1811, -1000, 2447, 2447, 2447,
-	1696, 1233, 54244, -1000, -1000, -1000, -1000, 2512, 2505, 1899,
-	-1000, -1000, 90, 573, -1000, 2294, 2357, -1000, 2488, 2261,
-	2486, -1000, -1000, -1000, -1000, -1000, 1371, -1000, 2350, 1916,
-	-1000, 955, 1857, -1000, -1000, 19586, 1698, 2226, 531, 1696,
-	1894, 3285, 2111, 2143, 3000, -1000, -1000, -1000, -1000, 2178,
-	-1000, 2134, -1000, -1000, 1992, -1000, 1519, 346, 28974, 1778,
-	1778, -1000, 525, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	1076, 8486, 2571, -1000, 1558, -1000, 1346, 205, 1247, -1000,
-	-1000, 938, 938, -1000, 1025, 1023, -1000, 54244, 2011, -1000,
-	357, 1554, 357, 1245, -1000, -1000, 1210, -1000, -1000, -1000,
-	-1000, 1973, 2092, -1000, -1000, -1000, -1000, 54244, -1000, -1000,
-	54244, 54244, 54244, 2010, 2485, -1000, 21030, 2009, 944, 2334,
-	52800, 52800, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 471, 938, -485, 311, 310, 938, 938,
-	938, -526, -1000, -1000, 1691, 1687, -1000, -207, -1000, 21030,
-	-1000, -1000, -1000, -1000, -1000, 1273, 1273, 1500, 1498, 1493,
-	-1000, 1992, -1000, -1000, -1000, 1712, -1000, -1000, -193, 52800,
-	52800, 52800, 52800, -1000, -1000, -1000, 1107, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 876,
-	1532, 412, -195, 1532, -1000, -1000, 357, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 21030, -1000, 21030,
-	-1000, 1371, 21030, 2461, 1461, 21030, 21030, -1000, 1198, 1172,
-	1219, -1000, -1000, -1000, 21030, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 21030, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	-1000, 21030, -1000, -1000, -1000, 21030, -1000, 21030, -1000, 21030,
-	-1000, -1000, -1000, 21030, 303, 350, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 1532, 344, -1000,
-	-1000, -1000, -1000, 2514, -1000, 1532, 21030, 2944, -1000, 2944,
-	2944, 2944, -1000, -1000, -1000, 21030, -1000, 21030, 21030, -1000,
-	21030, -1000, 21030, -1000, -1000, -1000, -1000, 21030, 1983, 2237,
-	1983, 1983, 31140, -1000, -1000, 2505, 2471, 2483, 2247, 2249,
-	2249, 2294, -1000, 2482, 2474, -1000, 1440, 2473, 1435, 999,
-	-1000, 53522, 21030, 247, -1000, 419, 52800, 247, 52800, -1000,
-	2478, -1000, -1000, 21030, 2004, -1000, 21030, -1000, -1000, -1000,
-	-1000, 5973, 2512, 1778, -1000, -1000, 887, -1000, 21030, -1000,
-	9314, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1422,
-	1419, -1000, -1000, 1994, 21030, -1000, -1000, -1000, 1692, 1630,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 1992, -1000,
-	-1000, -1000, -1000, 334, -510, 2089, 52800, 1171, -1000, 1671,
-	1882, 330, 247, 1416, 938, 938, 938, 1161, 1155, 36916,
-	1654, -1000, 52800, 413, -1000, 334, -1000, -229, -244, 1219,
-	-1000, -1000, 2394, -1000, -1000, 15241, -1000, -1000, 1988, 2096,
-	-1000, -1000, -1000, -1000, 2210, -178, -208, -1000, -1000, 1219,
-	1219, 1250, 1532, -1000, 1219, 1219, 1577, 1542, -1000, 1219,
-	1219, 1219, 1219, 1219, 1219, 1219, 1219, 1219, 1219, 1219,
-	1219, 1219, 1219, 1219, 1219, 1219, 1219, 1219, 1219, 1527,
-	1785, -1000, 303, 1532, 2131, -1000, -1000, 5973, -1000, -1000,
-	2478, 2470, 23, -1000, -1000, 230, 23, 1371, 985, 1532,
-	1532, 985, 1779, 1219, 1749, 1736, 1219, 1219, 31862, -1000,
-	2464, 2448, 37638, 37638, 936, 2471, -280, 21030, 21030, 2243,
-	1123, -1000, -1000, -1000, -1000, 1409, 1385, -1000, 1380, -1000,
-	2563, -1000, 1371, -1000, 247, -1000, 523, 1857, -1000, 2461,
-	1371, 52800, 1371, 76, 2478, -1000, 1219, -1000, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983, 1983,
-	1983, 1983, 1983, 1983, 1983, 1983, 1983, -1000, -1000, 52800,
-	1837, -1000, -1000, 2389, 1634, 164, -1000, 1535, 1882, -1000,
-	-1000, 206, -1000, 21030, -1000, 36916, 1375, 1344, -1000, -1000,
-	-1000, -1000, -526, -1000, -1000, -1000, -1000, -1000, -1000, 408,
-	1876, -1000, 934, 52800, 54244, -1000, 2202, -1000, -1000, -1000,
-	21030, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 4165,
+	1719, -1000, 1719, 1737, 997, -1000, 21161, 1366, 4161, -1000,
+	-1000, 1366, 1366, 21161, -1000, -1000, 21161, 21161, 21161, 21161,
+	1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782,
+	21161, 1782, 1911, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 21030, -1000,
-	1532, 2126, -1000, -358, -1000, -486, 21030, -271, -1000, -1000,
-	-271, -1000, -1000, -1000, -1000, -1000, 21030, -1000, -1000, 21030,
-	-1000, 21030, -1000, -1000, 1576, -1000, -1000, -1000, -1000, -1000,
-	1576, 1576, -1000, -280, -1000, 1861, -1000, 52800, 1371, 1852,
-	-1000, 1122, -1000, -1000, -1000, -1000, -1000, 53522, 1857, 52800,
-	-1000, 1541, 1532, 1983, 2461, -1000, 1537, -1000, 408, -1000,
-	1986, 1982, -1000, -1000, -1000, 18864, -1000, -1000, -1000, -1000,
-	-1000, 267, -188, 15241, 10873, 1531, -1000, -187, 1219, 1527,
-	-1000, -461, -1000, -1000, -1000, -1000, 291, -1000, -1000, 1852,
-	-1000, -1000, 1607, 1565, 1379, 36194, -1000, -1000, -1000, -1000,
-	-280, -1000, -1000, 2382, -1000, -1000, 1751, -1000, -1000, 31140,
-	52078, -1000, -172, 338, -188, 21030, 1985, 1532, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -37, -1000, -1000, 519,
-	-1000, -1000, -1000, 2088, -199, -1000, -1000, -1000, 318, -475,
-	-298, -299, 23196, -1000, 21030, -1000, 21030, -1000, 21030, -1000,
-	-1000, -1000, 52800, 1983, -1000, 1489, -1000, 3989, -327, 2120,
-	-1000, -132, -1000, -1000, -1000, 1072, 1341, -1000, -1000, -1000,
-	-1000, -1000, -1000, 1431, 52800, -1000, 421, -1000, -1000, 14513,
-	-193, -215, 992, -1000, -1000, -1000, -1000, -1000, 2944, 1329,
-	1129, 1219, -1000, 52800, -1000, 52078, -322, 864, 5973, -1000,
-	2117, 2113, 2522, -1000, -1000, -1000, -1000, -1000, -1000, -529,
-	1465, 250, -1000, -1000, -1000, 318, -301, -1000, 21030, -1000,
-	21030, -1000, 1532, -1000, -1000, 2372, 76, -1000, 2560, -1000,
-	2534, 1060, 1060, -1000, 1106, -529, -1000, -1000, -1000, -1000,
-	1219, 1219, -1000, -329, -1000, -1000, -1000, -1000, -1000, 420,
-	1302, -1000, -1000, -1000, -1000, -1000, 5973, -1000, -1000, -1000,
-	263, 263, -1000, -1000,
+	-1000, 1904, 2590, 1580, 1782, 1782, 1782, 1782, 1782, 21161,
+	1407, -1000, -1000, -1000, 1369, 4157, 1307, 4149, 1782, 1782,
+	-1000, 1782, 4132, 4127, 1366, 1568, 2811, 2776, 1782, 1782,
+	1782, 1782, 1782, 2740, 2684, 1782, 1782, 2678, 1782, 4123,
+	1782, 2659, 2648, 2622, 2617, 2598, 2588, 2580, 2576, 2572,
+	2541, 2515, 2485, 2468, 2455, 2451, 2435, 2424, 2411, 1782,
+	1782, 1782, 4104, 1782, 4099, 1782, 3883, 1782, 1782, 3865,
+	2390, 2352, 1366, 1897, -1000, 3859, 1782, 3851, 3830, 3826,
+	2314, 3822, 3817, 3809, 1782, 1782, 1782, 2310, 3497, 3483,
+	3479, 3466, 3462, 3455, 3394, 3388, 3384, 1782, 1405, 1405,
+	1405, 1405, 1405, 3375, -240, 1782, 1366, -1000, -1000, -1000,
+	-1000, -1000, 3355, 2279, 3302, 3254, 3184, 3028, 1366, 1873,
+	1962, 835, -1000, -1000, 1719, 1366, 1366, 1719, 1719, 3024,
+	3019, 2999, 2978, 2966, 2962, 1782, 1782, -1000, 1782, 2951,
+	2891, 2274, 2270, 1366, -1000, 1405, 54375, -1000, -431, -1000,
+	4, 936, 1962, -1000, 37047, 1366, -1000, 7672, -1000, 1131,
+	-1000, -1000, -1000, -1000, -1000, 34159, 1804, 3012, -1000, -1000,
+	1962, 1710, -1000, -1000, -1000, -1000, 352, 72, 33437, 868,
+	868, 122, 1452, 1452, 21161, -1000, -1000, -1000, -1000, -1000,
+	-1000, 832, 2566, 400, 1962, -1000, 1882, 2549, -1000, -1000,
+	-1000, 2443, 26938, -1000, -1000, 1962, 1962, 54375, 1903, 1854,
+	-1000, 829, -1000, 1337, 1870, 27, 1, -1000, -1000, -1000,
+	-1000, 1452, -1000, 1333, 391, 1006, -1000, 458, -1000, -1000,
+	-1000, -1000, 2295, 90, -1000, -1000, -1000, 828, 352, -1000,
+	-1000, -1000, -1000, -1000, -1000, 1611, 1611, -1000, -1000, -1000,
+	-1000, -1000, 1272, -1000, -1000, -1000, -1000, 1269, -1000, -1000,
+	1251, -1000, -1000, 2667, 2062, 397, -1000, -1000, 941, 1601,
+	-1000, -1000, 2303, 941, 941, 52931, -1000, -1000, 1822, 2396,
+	243, 54375, 1004, 2127, -1000, 2065, 2065, 2065, 54375, -1000,
+	-1000, -1000, -1000, -1000, -1000, -511, 167, 365, -1000, -1000,
+	-1000, 4884, 52931, 1704, -1000, 230, -1000, 1785, -1000, 52931,
+	-1000, 1700, 2004, 1324, 1324, -1000, -1000, -1000, 52931, 1962,
+	-1000, -1000, -1000, -1000, 773, 2355, 347, -1000, -1000, -258,
+	-1000, -1000, 221, 230, 53653, 1324, 898, -1000, -1000, -1000,
+	-1000, -1000, -503, 1696, 505, 235, 564, 54375, 54375, 54375,
+	54375, 54375, 54375, 808, -1000, -1000, 38, -1000, -1000, 198,
+	-1000, -1000, -1000, -1000, 198, -1000, -1000, -1000, -1000, 309,
+	488, -1000, 54375, 54375, 929, -1000, -1000, -1000, -1000, -1000,
+	1094, -1000, -1000, 1094, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 2341, 54375, 12, -470,
+	-1000, -467, 21161, -1000, -1000, -1000, -1000, 1294, 799, 1188,
+	23327, 23327, 1780, 1780, 23327, -1000, -1000, -1000, 939, 939,
+	32715, -1000, 23327, 21161, 20439, -1000, -1000, 21161, 21161, 985,
+	-1000, 21161, 1163, -1000, 21161, -1000, -1000, 1405, 1782, 1782,
+	1782, 1782, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 1875, -1000, 21161, 21161, 21161, 1366, 320, -1000,
+	-1000, -1000, -1000, -1000, 2584, -1000, 21161, -1000, 32715, 21161,
+	21161, 21161, -1000, -1000, -1000, 21161, 21161, -1000, -1000, 21161,
+	-1000, 21161, -1000, -1000, -1000, -1000, -1000, -1000, 21161, -1000,
+	21161, -1000, -1000, -1000, 21161, -1000, 21161, -1000, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, -1000, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, -1000, 21161, -1000, 21161, -1000, 21161, -1000,
+	21161, 21161, -1000, 21161, 21161, 21161, -1000, 21161, 21161, 21161,
+	21161, -1000, -1000, -1000, -1000, 21161, 21161, 21161, 21161, 21161,
+	21161, 21161, 21161, 21161, 21161, -1000, -1000, -1000, -1000, -1000,
+	-1000, 21161, -1000, 38491, 54, -240, 1245, 54, 1245, 22605,
+	840, 820, 21883, -1000, 20439, 15372, -1000, -1000, -1000, -1000,
+	-1000, 21161, 21161, 21161, 21161, 21161, 21161, -1000, -1000, -1000,
+	21161, 21161, -1000, 21161, -1000, 21161, -1000, -1000, -1000, -1000,
+	-1000, 936, -1000, 865, 865, 865, 52931, -1000, -1000, -1000,
+	-1000, 1869, -1000, 2478, -1000, 2231, 2223, 2571, 2566, -1000,
+	29105, 3012, -1000, -1000, 52931, -419, -1000, 2263, 2312, 868,
+	868, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 12460, 2481,
+	21161, 2126, 53653, 241, -1000, 28383, 52931, 53653, 29105, 29105,
+	29105, 29105, 29105, -1000, 2151, 2150, -1000, 2174, 2148, 2257,
+	54375, -1000, 1746, 1682, -1000, 21161, 31271, 1881, 29105, -1000,
+	-1000, 29105, 54375, 11732, -1000, -1000, 2, 6, -1000, -1000,
+	-1000, -1000, 1028, -1000, -1000, 927, 2438, 2292, -1000, -1000,
+	-1000, -1000, -1000, 1674, -1000, 1656, 1868, 1640, 1609, 306,
+	-1000, 2031, 2340, 941, 941, -1000, 1242, -1000, 1324, 1594,
+	1576, -1000, -1000, -1000, 504, -1000, 2403, 54375, 2125, 2116,
+	2114, -1000, -521, 1240, 2003, 1987, 21161, 2002, 2509, 1848,
+	52931, -1000, -1000, 53653, -1000, 274, -1000, 397, 52931, -1000,
+	-1000, -1000, 360, 54375, -1000, 8159, -1000, -1000, -1000, 230,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 54375, 301, -1000,
+	2001, 1229, -1000, -1000, 1995, -1000, -1000, -1000, -1000, -1000,
+	210, 188, 1569, 207, 1567, 207, -1000, 54375, 854, 2062,
+	54375, -1000, -1000, -1000, 1088, 1088, -1000, -1000, 2338, -1000,
+	1324, 1782, 23327, 23327, -1000, 899, -1000, -1000, 398, -216,
+	1996, 1996, -1000, 1996, 1997, -1000, 1996, 159, 1996, 150,
+	1996, -1000, -1000, 1366, 1366, -1000, 1405, -1000, 2266, 2246,
+	-1000, 1452, 21161, 2868, -1000, -1000, -1000, -1000, -1000, -60,
+	2841, 2745, 1782, -1000, 1991, 1985, 21161, 1782, 1366, 2206,
+	1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782,
+	1782, 1782, 2197, 2188, 2179, 2169, 2163, 2159, 2123, 2100,
+	2042, 2032, 2013, 2009, 2005, 1998, 1993, 1982, 1782, 1782,
+	1976, 1782, 1937, 1905, -1000, 1452, 1405, 2695, 1405, 1782,
+	1782, 2592, 339, 1782, 1566, 1566, 1566, 1566, 1566, 1405,
+	1405, 1405, 1405, 1782, 52931, -1000, -240, -1000, -1000, -283,
+	-294, -1000, 1366, -240, 1856, 23327, 1782, 23327, 23327, 23327,
+	1782, 1366, -1000, 1900, 1895, 2419, 1787, 1782, 2173, 1782,
+	1782, 1782, 1765, -1000, 2474, 2474, 2474, 1560, 1131, 54375,
+	-1000, -1000, -1000, -1000, 2566, 2562, 1852, -1000, -1000, 72,
+	575, -1000, 2244, 2312, -1000, 2508, 2247, 2505, -1000, -1000,
+	-1000, -1000, -1000, 1452, -1000, 2364, 1829, -1000, 947, 1729,
+	-1000, -1000, 19717, 1564, 2202, 827, 1560, 1915, 2549, 2101,
+	2113, 2708, -1000, -1000, -1000, -1000, 2142, -1000, 2141, -1000,
+	-1000, 1973, -1000, 2026, 390, 29105, 1894, 1894, -1000, 825,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 1101, 8159, 2654,
+	-1000, 1557, -1000, 1328, 205, 1237, -1000, -1000, 941, 941,
+	-1000, 1039, 1038, -1000, 54375, 1981, -1000, 352, 1548, 352,
+	1224, -1000, -1000, 1211, -1000, -1000, -1000, -1000, 1939, 2353,
+	-1000, -1000, -1000, -1000, 54375, -1000, -1000, 54375, 54375, 54375,
+	1980, 2500, -1000, 21161, 1979, 943, 2445, 52931, 52931, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	471, 941, -484, 312, 311, 941, 941, 941, -524, -1000,
+	-1000, 1555, 1552, -1000, -190, -1000, 21161, -1000, -1000, -1000,
+	-1000, -1000, 1276, 1276, 1547, 1544, 1531, -1000, 1973, -1000,
+	-1000, -1000, 1747, -1000, -1000, -180, 52931, 52931, 52931, 52931,
+	-1000, -1000, -1000, 1232, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 899, 1366, 345, -195,
+	1366, -1000, -1000, 352, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 21161, -1000, 21161, -1000, 1452, 21161,
+	2481, 1526, 21161, 21161, -1000, 1206, 1200, 1782, -1000, -1000,
+	-1000, 21161, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 21161, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161, -1000, 21161,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, -1000, 21161, -1000,
+	-1000, -1000, 21161, -1000, 21161, -1000, 21161, -1000, -1000, -1000,
+	21161, 234, 939, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 1366, 387, -1000, -1000, -1000, -1000,
+	2568, -1000, 1366, 21161, 1780, -1000, 1780, 1780, 1780, -1000,
+	-1000, -1000, 21161, -1000, 21161, 21161, -1000, 21161, -1000, 21161,
+	-1000, -1000, -1000, -1000, 21161, 1962, 2362, 1962, 1962, 31271,
+	-1000, -1000, 2562, 2542, 2498, 2242, 2254, 2254, 2244, -1000,
+	2497, 2496, -1000, 1503, 2489, 1498, 1025, -1000, 53653, 21161,
+	241, -1000, 404, 52931, 241, 52931, -1000, 2516, -1000, -1000,
+	21161, 1975, -1000, 21161, -1000, -1000, -1000, -1000, 3220, 2566,
+	1894, -1000, -1000, 909, -1000, 21161, -1000, 9727, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 1495, 1477, -1000, -1000,
+	1974, 21161, -1000, -1000, -1000, 1701, 1675, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 1973, -1000, -1000, -1000, -1000,
+	360, -516, 2407, 52931, 1189, -1000, 1525, 1848, 325, 241,
+	1461, 941, 941, 941, 1168, 1165, 37047, 1483, -1000, 52931,
+	418, -1000, 360, -1000, -212, -213, 1782, -1000, -1000, 2421,
+	-1000, -1000, 15372, -1000, -1000, 1971, 2007, -1000, -1000, -1000,
+	-1000, 2182, -167, -200, -1000, -1000, 1782, 1782, 1520, 1366,
+	-1000, 1782, 1782, 1610, 1581, -1000, 1782, 1782, 1782, 1782,
+	1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782, 1782,
+	1782, 1782, 1782, 1782, 1782, 1782, 1405, 1753, -1000, 234,
+	1366, 2109, -1000, -1000, 3220, -1000, -1000, 2516, 2486, 54,
+	-1000, -1000, 218, 54, 1452, 991, 1366, 1366, 991, 1717,
+	1782, 1688, 1684, 1782, 1782, 31993, -1000, 2484, 2483, 37769,
+	37769, 936, 2542, -248, 21161, 21161, 2235, 1141, -1000, -1000,
+	-1000, -1000, 1454, 1448, -1000, 1433, -1000, 2653, -1000, 1452,
+	-1000, 241, -1000, 816, 1729, -1000, 2481, 1452, 52931, 1452,
+	70, 2516, -1000, 1782, -1000, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962,
+	1962, 1962, 1962, 1962, -1000, -1000, 52931, 2240, -1000, -1000,
+	2417, 1476, 165, -1000, 1401, 1848, -1000, -1000, 220, -1000,
+	21161, -1000, 37047, 1397, 1381, -1000, -1000, -1000, -1000, -524,
+	-1000, -1000, -1000, -1000, -1000, -1000, 415, 1847, -1000, 935,
+	52931, 54375, -1000, 2156, -1000, -1000, -1000, 21161, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 21161, -1000, 1366, 2099, -1000,
+	-344, -1000, -488, 21161, -240, -1000, -1000, -240, -1000, -1000,
+	-1000, -1000, -1000, 21161, -1000, -1000, 21161, -1000, 21161, -1000,
+	-1000, 1444, -1000, -1000, -1000, -1000, -1000, 1444, 1444, -1000,
+	-248, -1000, 1845, -1000, 52931, 1452, 1568, -1000, 1136, -1000,
+	-1000, -1000, -1000, -1000, 53653, 1729, 52931, -1000, 1431, 1366,
+	1962, 2481, -1000, 1412, -1000, 415, -1000, 1965, 1987, -1000,
+	-1000, -1000, 18995, -1000, -1000, -1000, -1000, -1000, 276, -176,
+	15372, 11004, 1410, -1000, -174, 1782, 1405, -1000, -460, -1000,
+	-1000, -1000, -1000, 289, -1000, -1000, 1568, -1000, -1000, 1654,
+	1562, 1480, 36325, -1000, -1000, -1000, -1000, -248, -1000, -1000,
+	2416, -1000, -1000, 1527, -1000, -1000, 31271, 52209, -1000, -162,
+	328, -176, 21161, 1964, 1366, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -34, -1000, -1000, 807, -1000, -1000, -1000,
+	1995, -197, -1000, -1000, -1000, 296, -473, -264, -296, 23327,
+	-1000, 21161, -1000, 21161, -1000, 21161, -1000, -1000, -1000, 52931,
+	1962, -1000, 1365, -1000, 4841, -324, 2077, -1000, -103, -1000,
+	-1000, -1000, 1093, 1356, -1000, -1000, -1000, -1000, -1000, -1000,
+	1986, 52931, -1000, 460, -1000, -1000, 14644, -180, -202, 1007,
+	-1000, -1000, -1000, -1000, -1000, 1780, 1447, 1400, 1782, -1000,
+	52931, -1000, 52209, -316, 898, 3220, -1000, 2073, 2023, 2593,
+	-1000, -1000, -1000, -1000, -1000, -1000, -527, 1361, 245, -1000,
+	-1000, -1000, 296, -319, -1000, 21161, -1000, 21161, -1000, 1366,
+	-1000, -1000, 2393, 70, -1000, 2649, -1000, 2640, 987, 987,
+	-1000, 1159, -527, -1000, -1000, -1000, -1000, 1782, 1782, -1000,
+	-336, -1000, -1000, -1000, -1000, -1000, 461, 1176, -1000, -1000,
+	-1000, -1000, -1000, 3220, -1000, -1000, -1000, 264, 264, -1000,
+	-1000,
 }
 
 var yyPgo = [...]int{
-	0, 3158, 3156, 28, 6, 41, 35, 3155, 3154, 3153,
-	177, 3151, 3137, 3135, 3134, 3130, 3129, 2624, 2610, 2600,
-	3127, 3126, 3125, 3122, 3120, 3108, 3107, 3104, 3103, 39,
-	106, 68, 99, 211, 213, 3100, 176, 166, 198, 3097,
-	3096, 3095, 116, 192, 83, 82, 195, 3092, 3091, 74,
-	3090, 3088, 3087, 185, 184, 183, 1040, 3086, 182, 112,
-	48, 3083, 3080, 3076, 3075, 3072, 3065, 3063, 3061, 3060,
-	3054, 3053, 3052, 3046, 3043, 3041, 3040, 3039, 3036, 296,
-	3035, 3033, 21, 3030, 76, 3028, 3026, 3025, 3024, 3023,
-	11, 3022, 3017, 26, 44, 3012, 3009, 47, 3008, 3007,
-	3004, 2998, 2997, 69, 2994, 22, 2983, 40, 2979, 2978,
-	121, 2974, 2971, 2966, 43, 2962, 2961, 2957, 29, 167,
-	2956, 2955, 139, 2954, 2953, 2950, 165, 206, 2949, 2239,
-	205, 108, 111, 2948, 2947, 103, 188, 2946, 123, 2927,
-	2924, 2915, 150, 2914, 3191, 2913, 2909, 64, 70, 199,
-	2907, 2895, 163, 66, 8, 16, 17, 2894, 2892, 63,
-	73, 2889, 101, 2885, 2884, 104, 84, 2883, 90, 98,
-	2882, 2881, 5, 7, 2879, 1, 4, 2, 80, 2878,
-	2877, 115, 2876, 2873, 2871, 95, 2868, 2865, 4363, 2862,
-	85, 128, 102, 62, 2860, 171, 131, 2858, 2857, 2856,
-	2854, 2850, 49, 2849, 2848, 2847, 138, 251, 162, 2831,
-	144, 337, 52, 143, 2830, 189, 77, 197, 190, 2828,
-	2825, 135, 133, 2824, 2821, 55, 164, 191, 2812, 94,
-	127, 117, 168, 91, 130, 2808, 2805, 56, 60, 2803,
-	2802, 2801, 2800, 174, 2799, 2797, 59, 2795, 54, 2794,
-	186, 2792, 136, 79, 2791, 170, 169, 2790, 61, 2789,
-	2788, 65, 96, 100, 38, 2787, 158, 161, 125, 172,
-	2786, 2782, 53, 2780, 2779, 2778, 196, 292, 2774, 2772,
-	294, 178, 141, 147, 89, 2771, 299, 2770, 2767, 13,
-	4391, 6814, 2766, 37, 160, 2765, 2758, 6537, 20, 45,
-	24, 2755, 204, 2753, 2752, 2750, 2749, 217, 202, 110,
-	159, 57, 2744, 2741, 2736, 36, 2735, 2734, 2733, 2732,
-	2731, 2723, 34, 33, 32, 72, 212, 58, 19, 97,
-	153, 152, 67, 2709, 2706, 2705, 124, 87, 2704, 157,
-	155, 120, 129, 2701, 180, 142, 119, 2700, 93, 31,
-	2696, 2693, 2688, 2681, 92, 2678, 2677, 2674, 2669, 151,
-	146, 118, 78, 2666, 81, 114, 149, 145, 51, 2665,
-	46, 2664, 2663, 30, 193, 23, 2662, 15, 105, 109,
-	2661, 5648, 181, 2660, 9, 298, 148, 2657, 2655, 10,
-	12, 18, 2654, 2639, 2638, 2636, 132, 2635, 2632, 2630,
-	2625, 27, 50, 25, 14, 113, 75, 2620, 2615, 140,
-	2614, 2593, 2592, 0, 1005, 126, 2591, 207,
+	0, 3288, 3287, 28, 6, 41, 35, 3286, 3283, 3279,
+	177, 3267, 3265, 3264, 3259, 3215, 3192, 2693, 2689, 2675,
+	3191, 3187, 3185, 3179, 3178, 3177, 3175, 3174, 3173, 40,
+	108, 62, 97, 209, 197, 3172, 179, 165, 200, 3165,
+	3163, 3160, 118, 192, 80, 85, 193, 3158, 3156, 73,
+	3145, 3144, 3143, 191, 186, 184, 1074, 3140, 183, 112,
+	48, 3135, 3134, 3132, 3131, 3130, 3127, 3125, 3124, 3123,
+	3122, 3119, 3117, 3115, 3114, 3111, 3110, 3101, 3098, 284,
+	3097, 3095, 21, 3092, 76, 3090, 3089, 3088, 3086, 3084,
+	8, 3079, 3075, 26, 42, 3074, 3073, 47, 3072, 3070,
+	3068, 3063, 3060, 69, 3059, 22, 3057, 39, 3053, 3052,
+	120, 3049, 3048, 3047, 44, 3046, 3044, 3038, 29, 163,
+	3035, 3030, 134, 3029, 3026, 3025, 167, 206, 3024, 2213,
+	180, 105, 103, 3021, 3020, 98, 194, 3019, 117, 3018,
+	3016, 3015, 147, 3014, 3196, 3013, 3012, 60, 66, 199,
+	3009, 3004, 287, 64, 11, 16, 17, 3002, 3001, 61,
+	72, 2999, 104, 2991, 2990, 100, 75, 2989, 96, 99,
+	2988, 2985, 5, 7, 2980, 1, 4, 2, 83, 2978,
+	2975, 113, 2972, 2969, 2968, 91, 2967, 2965, 4329, 2963,
+	89, 127, 101, 82, 2962, 172, 155, 2961, 2959, 2958,
+	2957, 2950, 49, 2949, 2932, 2931, 132, 250, 162, 2928,
+	145, 335, 52, 143, 2927, 189, 77, 198, 170, 2925,
+	2923, 130, 128, 2922, 2920, 56, 166, 190, 2917, 95,
+	126, 115, 168, 90, 131, 2913, 2912, 54, 71, 2911,
+	2909, 2907, 2906, 176, 2897, 2896, 59, 2891, 55, 2889,
+	164, 2884, 136, 68, 2879, 171, 175, 2878, 135, 2875,
+	2874, 67, 93, 110, 38, 2871, 158, 161, 124, 173,
+	2868, 2867, 53, 2860, 2858, 2857, 195, 289, 2856, 2855,
+	294, 178, 139, 146, 81, 2854, 337, 2853, 2852, 13,
+	4987, 6905, 2851, 37, 160, 2832, 2830, 6958, 20, 45,
+	24, 2825, 204, 2822, 2816, 2814, 2812, 212, 202, 106,
+	159, 57, 2808, 2806, 2804, 36, 2800, 2797, 2796, 2795,
+	2794, 2793, 34, 33, 32, 70, 211, 58, 19, 94,
+	153, 152, 63, 2789, 2787, 2774, 121, 84, 2771, 157,
+	154, 123, 151, 2770, 181, 142, 116, 2769, 92, 31,
+	2768, 2763, 2761, 2753, 87, 2752, 2751, 2750, 2746, 149,
+	140, 119, 78, 2743, 79, 114, 144, 141, 51, 2742,
+	46, 2739, 2733, 30, 188, 23, 2729, 15, 102, 109,
+	2727, 5633, 187, 2726, 9, 317, 156, 2724, 2721, 10,
+	12, 18, 2717, 2713, 2709, 2708, 129, 2707, 2704, 2703,
+	2702, 27, 50, 25, 14, 111, 74, 2701, 2700, 137,
+	2695, 2685, 2679, 0, 1005, 125, 2674, 207,
 }
 
-//line sql.y:8566
+//line sql.y:8586
 type yySymType struct {
 	union             any
 	empty             struct{}
@@ -8463,16 +8477,17 @@ var yyR1 = [...]int{
 	49, 49, 49, 49, 49, 44, 44, 44, 44, 45,
 	45, 45, 45, 136, 136, 136, 136, 138, 138, 137,
 	137, 82, 82, 83, 83, 83, 142, 142, 143, 143,
-	143, 140, 140, 141, 141, 250, 250, 234, 234, 234,
-	241, 241, 241, 237, 237, 239, 239, 239, 240, 240,
-	240, 238, 247, 247, 249, 249, 248, 248, 244, 244,
-	245, 245, 246, 246, 246, 242, 242, 199, 199, 199,
-	199, 199, 251, 251, 251, 251, 263, 263, 210, 210,
-	212, 212, 211, 211, 161, 264, 264, 272, 269, 269,
-	270, 270, 296, 296, 296, 273, 273, 286, 286, 282,
-	282, 283, 283, 276, 276, 288, 288, 288, 77, 208,
-	208, 365, 365, 362, 291, 291, 293, 293, 297, 297,
-	301, 301, 298, 298, 8, 410, 410, 410, 289, 289,
+	143, 140, 140, 141, 141, 250, 250, 250, 250, 250,
+	250, 250, 234, 234, 234, 241, 241, 241, 237, 237,
+	239, 239, 239, 240, 240, 240, 238, 247, 247, 249,
+	249, 248, 248, 244, 244, 245, 245, 246, 246, 246,
+	242, 242, 199, 199, 199, 199, 199, 251, 251, 251,
+	251, 263, 263, 210, 210, 212, 212, 211, 211, 161,
+	264, 264, 272, 269, 269, 270, 270, 296, 296, 296,
+	273, 273, 286, 286, 282, 282, 283, 283, 276, 276,
+	288, 288, 288, 77, 208, 208, 365, 365, 362, 291,
+	291, 293, 293, 297, 297, 301, 301, 298, 298, 8,
+	410, 410, 410, 289, 289, 289, 289, 289, 289, 289,
 	289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
 	289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
 	289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
@@ -8487,7 +8502,7 @@ var yyR1 = [...]int{
 	289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
 	289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
 	289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
-	289, 289, 289, 289, 289, 289, 289, 289, 290, 290,
+	289, 289, 289, 290, 290, 290, 290, 290, 290, 290,
 	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
 	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
 	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
@@ -8533,8 +8548,8 @@ var yyR1 = [...]int{
 	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
 	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
 	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
-	290, 290, 290, 290, 290, 290, 290, 290, 290, 290,
-	290, 290, 413, 414, 307, 308, 308, 308,
+	290, 290, 290, 290, 290, 290, 290, 413, 414, 307,
+	308, 308, 308,
 }
 
 var yyR2 = [...]int{
@@ -8690,17 +8705,17 @@ var yyR2 = [...]int{
 	0, 2, 2, 1, 1, 3, 3, 3, 3, 3,
 	3, 3, 3, 0, 3, 3, 3, 0, 3, 1,
 	1, 0, 4, 0, 1, 1, 0, 3, 1, 3,
-	2, 1, 1, 0, 1, 2, 4, 9, 3, 5,
-	0, 3, 3, 0, 1, 0, 2, 2, 0, 2,
-	2, 2, 0, 2, 1, 2, 3, 3, 0, 2,
-	1, 2, 3, 4, 3, 0, 1, 2, 1, 5,
-	4, 4, 1, 3, 3, 5, 0, 5, 1, 3,
-	1, 2, 3, 4, 1, 1, 3, 3, 1, 2,
-	1, 1, 1, 1, 1, 1, 1, 0, 1, 0,
-	2, 0, 3, 0, 1, 0, 1, 1, 5, 0,
-	1, 0, 1, 2, 1, 1, 1, 1, 1, 1,
-	0, 1, 1, 1, 3, 0, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	2, 1, 1, 0, 1, 2, 3, 4, 2, 3,
+	4, 4, 9, 3, 5, 0, 3, 3, 0, 1,
+	0, 2, 2, 0, 2, 2, 2, 0, 2, 1,
+	2, 3, 3, 0, 2, 1, 2, 3, 4, 3,
+	0, 1, 2, 1, 5, 4, 4, 1, 3, 3,
+	5, 0, 5, 1, 3, 1, 2, 3, 4, 1,
+	1, 3, 3, 1, 2, 1, 1, 1, 1, 1,
+	1, 1, 0, 1, 0, 2, 0, 3, 0, 1,
+	0, 1, 1, 5, 0, 1, 0, 1, 2, 1,
+	1, 1, 1, 1, 1, 0, 1, 1, 1, 3,
+	0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -8761,7 +8776,8 @@ var yyR2 = [...]int{
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 0, 0, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
+	0, 1, 1,
 }
 
 var yyChk = [...]int{
@@ -8868,56 +8884,56 @@ var yyChk = [...]int{
 	216, 217, 218, 219, 220, 221, 45, 398, 398, -188,
 	-79, -79, -79, -79, -410, 703, 579, -227, -127, -229,
 	-33, -31, -413, 9, -79, -31, -32, -30, -36, -38,
-	605, -37, -297, 100, -234, -250, 13, 163, 43, 51,
-	-232, -233, -34, -31, -144, 20, 24, 25, -132, 170,
-	-144, -297, -132, -276, 244, -79, -79, -265, -310, 317,
-	-267, 413, 686, 412, -257, -270, 91, -256, -269, 411,
-	92, -351, 160, -337, -341, -291, 255, -367, 251, -188,
-	-360, -359, -291, -413, -128, -286, 241, 249, 248, 137,
-	-385, 140, 297, 425, 239, -53, -54, -55, -269, 178,
-	706, -110, 272, 276, 88, 88, -341, -340, -339, -386,
-	276, 255, -366, -358, 247, 256, -347, 248, 249, -342,
-	241, 138, -386, -342, 246, 256, 251, 255, 276, 276,
-	127, 276, 127, 276, 276, 276, 276, 276, 276, 276,
-	276, 276, 271, -348, 152, -348, 582, 582, -354, -386,
-	251, 241, -386, -386, 247, -288, -342, 243, 26, 243,
-	36, 36, -348, -348, -348, -269, 178, -348, -348, -348,
-	-348, 284, 284, -348, -348, -348, -348, -348, -348, -348,
+	605, -37, -297, 100, -234, -250, 13, 62, 163, 43,
+	51, -232, -233, -34, -31, -144, 20, 24, 25, -132,
+	170, -144, -297, -132, -276, 244, -79, -79, -265, -310,
+	317, -267, 413, 686, 412, -257, -270, 91, -256, -269,
+	411, 92, -351, 160, -337, -341, -291, 255, -367, 251,
+	-188, -360, -359, -291, -413, -128, -286, 241, 249, 248,
+	137, -385, 140, 297, 425, 239, -53, -54, -55, -269,
+	178, 706, -110, 272, 276, 88, 88, -341, -340, -339,
+	-386, 276, 255, -366, -358, 247, 256, -347, 248, 249,
+	-342, 241, 138, -386, -342, 246, 256, 251, 255, 276,
+	276, 127, 276, 127, 276, 276, 276, 276, 276, 276,
+	276, 276, 276, 271, -348, 152, -348, 582, 582, -354,
+	-386, 251, 241, -386, -386, 247, -288, -342, 243, 26,
+	243, 36, 36, -348, -348, -348, -269, 178, -348, -348,
+	-348, -348, 284, 284, -348, -348, -348, -348, -348, -348,
 	-348, -348, -348, -348, -348, -348, -348, -348, -348, -348,
-	240, -385, -136, 409, 304, 82, -56, 286, -39, -188,
-	-286, 241, 242, -385, 273, -188, 223, 240, 689, -280,
-	160, 16, -280, -277, 398, 396, 383, 388, -280, -280,
-	-280, -280, 287, 381, -343, 241, 36, 252, 398, 287,
-	381, 287, 288, 287, 288, 391, 401, 287, -302, 15,
-	163, 425, 386, 390, 280, 240, 281, 242, 400, 288,
-	-302, 90, -281, 160, 287, 398, 283, -280, -280, -308,
-	-413, -293, -291, -289, 232, 24, 143, 26, 28, 146,
-	179, 130, 20, 147, 38, 234, 347, 251, 178, 247,
-	470, 227, 73, 586, 426, 433, 424, 432, 436, 472,
-	473, 425, 384, 32, 14, 588, 29, 261, 25, 39,
-	172, 229, 150, 589, 264, 27, 262, 118, 121, 591,
-	23, 76, 256, 15, 249, 41, 17, 592, 593, 18,
-	245, 244, 163, 241, 71, 12, 222, 30, 159, 67,
-	594, 138, 133, 595, 596, 597, 598, 131, 69, 160,
-	21, 726, 434, 435, 34, 687, 574, 275, 174, 74,
-	60, 688, 144, 430, 599, 600, 119, 601, 122, 77,
-	693, 140, 19, 72, 43, 602, 276, 603, 246, 727,
-	604, 416, 605, 161, 230, 469, 70, 162, 700, 606,
-	701, 239, 397, 9, 474, 33, 260, 248, 129, 68,
-	440, 607, 240, 149, 243, 132, 120, 8, 137, 35,
-	13, 75, 78, 437, 438, 439, 58, 128, 578, 148,
-	16, 608, 417, 142, -381, 689, -308, -308, 33, 92,
-	-407, -408, -409, 578, 416, 243, -291, -188, -85, 679,
-	231, -86, 685, 24, 238, -134, 398, -122, 179, 707,
-	690, 691, 692, 689, 395, 697, 695, 693, 287, 694,
-	88, 140, 142, 143, 4, -144, 159, -198, 152, 153,
-	154, 155, 156, 157, 158, 164, 163, 144, 146, 160,
-	-243, 141, 165, 166, 167, 168, 169, 170, 171, 173,
-	172, 174, 175, 161, 162, 178, 225, 226, -152, -152,
-	-152, -152, -213, -219, -218, -413, -215, -381, -290, -297,
-	-413, -413, -152, -275, -413, -149, -413, -413, -413, -413,
-	-222, -144, -413, -413, -417, -413, -417, -417, -417, -326,
-	-413, -326, -326, -413, -413, -413, -413, -413, -413, -413,
+	-348, 240, -385, -136, 409, 304, 82, -56, 286, -39,
+	-188, -286, 241, 242, -385, 273, -188, 223, 240, 689,
+	-280, 160, 16, -280, -277, 398, 396, 383, 388, -280,
+	-280, -280, -280, 287, 381, -343, 241, 36, 252, 398,
+	287, 381, 287, 288, 287, 288, 391, 401, 287, -302,
+	15, 163, 425, 386, 390, 280, 240, 281, 242, 400,
+	288, -302, 90, -281, 160, 287, 398, 283, -280, -280,
+	-308, -413, -293, -291, -289, 232, 24, 143, 26, 28,
+	146, 179, 130, 20, 147, 38, 234, 347, 251, 178,
+	247, 470, 227, 73, 586, 426, 433, 424, 432, 436,
+	472, 473, 425, 384, 32, 14, 588, 29, 261, 25,
+	39, 172, 229, 150, 589, 264, 27, 262, 118, 121,
+	591, 23, 76, 256, 15, 249, 41, 17, 592, 593,
+	18, 245, 244, 163, 241, 71, 12, 222, 30, 159,
+	67, 594, 138, 133, 595, 596, 597, 598, 131, 69,
+	160, 21, 726, 434, 435, 34, 687, 574, 275, 174,
+	74, 60, 688, 144, 430, 599, 600, 119, 601, 122,
+	77, 693, 140, 19, 72, 43, 602, 276, 603, 246,
+	727, 604, 416, 605, 161, 230, 469, 70, 162, 700,
+	606, 701, 239, 397, 9, 474, 33, 260, 248, 129,
+	68, 440, 607, 240, 149, 243, 132, 120, 8, 137,
+	35, 13, 75, 78, 437, 438, 439, 58, 128, 578,
+	148, 16, 608, 417, 142, -381, 689, -308, -308, 33,
+	92, -407, -408, -409, 578, 416, 243, -291, -188, -85,
+	679, 231, -86, 685, 24, 238, -134, 398, -122, 179,
+	707, 690, 691, 692, 689, 395, 697, 695, 693, 287,
+	694, 88, 140, 142, 143, 4, -144, 159, -198, 152,
+	153, 154, 155, 156, 157, 158, 164, 163, 144, 146,
+	160, -243, 141, 165, 166, 167, 168, 169, 170, 171,
+	173, 172, 174, 175, 161, 162, 178, 225, 226, -152,
+	-152, -152, -152, -213, -219, -218, -413, -215, -381, -290,
+	-297, -413, -413, -152, -275, -413, -149, -413, -413, -413,
+	-413, -222, -144, -413, -413, -417, -413, -417, -417, -417,
+	-326, -413, -326, -326, -413, -413, -413, -413, -413, -413,
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
@@ -8929,256 +8945,257 @@ var yyChk = [...]int{
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
-	-413, -413, -413, -413, -413, -413, 223, -413, -413, -413,
-	-413, -413, -326, -326, -326, -326, -326, -326, -413, -413,
+	-413, -413, -413, -413, -413, -413, -413, 223, -413, -413,
+	-413, -413, -413, -326, -326, -326, -326, -326, -326, -413,
 	-413, -413, -413, -413, -413, -413, -413, -413, -413, -413,
-	-413, -413, 103, 99, 102, 94, -217, 105, 90, 90,
-	90, 90, -31, -32, -207, -413, -307, -395, -396, -191,
-	-188, -413, 304, -291, -291, 273, 96, -232, -34, -31,
-	-227, -233, -229, -31, -79, -120, -133, 64, 65, -135,
-	25, 39, 68, 66, 24, -414, 89, -414, -250, -414,
-	88, -38, -253, 87, 62, 44, 90, 90, 88, 22,
-	-228, -230, -144, 15, -295, 4, -294, 26, -291, 90,
-	223, 15, -189, 30, -188, -276, -276, 88, 91, 317,
-	-266, -268, 414, 416, 152, -296, -291, 90, 32, 89,
-	88, -188, -315, -318, -320, -319, -321, -316, -317, 344,
-	345, 179, 348, 350, 351, 352, 353, 354, 355, 356,
-	357, 358, 361, 33, 263, 340, 341, 342, 343, 362,
-	363, 364, 365, 367, 368, 369, 370, 325, 346, 576,
-	326, 327, 328, 329, 330, 331, 333, 334, 337, 335,
-	336, 338, 339, -382, -381, 87, 89, 88, -325, 87,
-	-144, -136, 240, -381, 241, 241, 241, -79, 469, -348,
-	-348, -348, 271, 20, -46, -43, -374, 19, -42, -43,
-	232, 123, 124, 229, 87, -337, 87, -346, -382, -381,
-	87, 138, 246, 137, -345, -342, -345, -346, -381, -215,
-	-381, 138, 138, -381, -381, -262, -291, -262, -262, 24,
-	-262, 24, -262, 24, 96, -291, -262, 24, -262, 24,
-	-262, 24, -262, 24, -262, 24, 32, 79, 80, 81,
-	32, 83, 84, 85, -215, -381, -381, -215, -337, -215,
-	-188, -381, -269, 96, 96, 96, -348, -348, 96, 90,
-	90, 90, -348, -348, 96, 90, -299, -297, 90, 90,
-	-387, 257, 301, 303, 96, 96, 96, 96, 32, 90,
-	-388, 32, 714, 713, 715, 716, 717, 90, 96, 32,
-	96, 32, 96, -291, 87, -188, -142, 291, 227, 229,
-	232, 77, 90, 307, 308, 305, 310, 311, 152, 45,
-	88, 243, 240, -381, -282, 245, -282, -291, -298, -297,
-	-289, -188, 243, 380, 90, -144, -344, 15, 163, -302,
-	-302, -280, -188, -344, -302, -280, -188, -280, -280, -280,
-	-280, -302, -302, -302, -280, -297, -297, -188, -188, -188,
-	-188, -188, -188, -188, -308, -281, -280, 689, 90, -274,
-	15, 77, -308, -308, 88, 323, 417, 418, -306, 320,
-	-81, -291, 90, -10, -29, -18, -17, -19, 152, -10,
-	88, 578, -181, -188, 689, 689, 689, 689, 689, 689,
-	-144, -144, -144, -144, 601, -205, 119, 144, 120, 121,
-	-160, -144, -206, -211, -213, 106, 163, 146, 160, -243,
-	-149, -152, -149, -149, -149, -149, -149, -149, 222, -149,
-	222, -149, -149, -149, -149, -149, -149, -309, -291, 90,
-	179, -156, -155, 105, -404, -156, 575, 88, -218, 223,
-	-144, -144, -381, -118, 442, 443, 444, 445, 447, 448,
-	449, 452, 453, 457, 458, 441, 459, 446, 451, 454,
-	455, 456, 450, 343, -144, -130, -132, -130, -144, -220,
-	-221, 148, -215, -144, -414, -414, 96, 170, -126, 25,
-	39, -126, -126, -126, -126, -144, -144, -144, -144, -144,
-	-144, -144, -144, -144, -144, -126, -144, -119, 441, 459,
-	446, 451, 454, 455, 456, 450, 343, 460, 461, 462,
-	463, 464, 465, 466, 467, 468, -119, -118, -144, -144,
-	-144, -144, -144, -144, -87, -144, 130, 131, 132, -207,
-	-144, -149, -144, -144, -144, -414, -144, -144, -144, -208,
-	-207, -144, -144, -144, -144, -144, -144, -144, -144, -144,
+	-413, -413, -413, 103, 99, 102, 94, -217, 105, 90,
+	90, 90, 90, -31, -32, -207, -413, -307, -395, -396,
+	-191, -188, -413, 304, -291, -291, 273, 96, -232, -34,
+	-31, -227, -233, -229, -31, -79, -120, -133, 64, 65,
+	-135, 25, 39, 68, 66, 24, -414, 89, -414, -250,
+	-414, 88, -38, -253, 87, 633, 663, 633, 663, 62,
+	44, 90, 90, 88, 22, -228, -230, -144, 15, -295,
+	4, -294, 26, -291, 90, 223, 15, -189, 30, -188,
+	-276, -276, 88, 91, 317, -266, -268, 414, 416, 152,
+	-296, -291, 90, 32, 89, 88, -188, -315, -318, -320,
+	-319, -321, -316, -317, 344, 345, 179, 348, 350, 351,
+	352, 353, 354, 355, 356, 357, 358, 361, 33, 263,
+	340, 341, 342, 343, 362, 363, 364, 365, 367, 368,
+	369, 370, 325, 346, 576, 326, 327, 328, 329, 330,
+	331, 333, 334, 337, 335, 336, 338, 339, -382, -381,
+	87, 89, 88, -325, 87, -144, -136, 240, -381, 241,
+	241, 241, -79, 469, -348, -348, -348, 271, 20, -46,
+	-43, -374, 19, -42, -43, 232, 123, 124, 229, 87,
+	-337, 87, -346, -382, -381, 87, 138, 246, 137, -345,
+	-342, -345, -346, -381, -215, -381, 138, 138, -381, -381,
+	-262, -291, -262, -262, 24, -262, 24, -262, 24, 96,
+	-291, -262, 24, -262, 24, -262, 24, -262, 24, -262,
+	24, 32, 79, 80, 81, 32, 83, 84, 85, -215,
+	-381, -381, -215, -337, -215, -188, -381, -269, 96, 96,
+	96, -348, -348, 96, 90, 90, 90, -348, -348, 96,
+	90, -299, -297, 90, 90, -387, 257, 301, 303, 96,
+	96, 96, 96, 32, 90, -388, 32, 714, 713, 715,
+	716, 717, 90, 96, 32, 96, 32, 96, -291, 87,
+	-188, -142, 291, 227, 229, 232, 77, 90, 307, 308,
+	305, 310, 311, 152, 45, 88, 243, 240, -381, -282,
+	245, -282, -291, -298, -297, -289, -188, 243, 380, 90,
+	-144, -344, 15, 163, -302, -302, -280, -188, -344, -302,
+	-280, -188, -280, -280, -280, -280, -302, -302, -302, -280,
+	-297, -297, -188, -188, -188, -188, -188, -188, -188, -308,
+	-281, -280, 689, 90, -274, 15, 77, -308, -308, 88,
+	323, 417, 418, -306, 320, -81, -291, 90, -10, -29,
+	-18, -17, -19, 152, -10, 88, 578, -181, -188, 689,
+	689, 689, 689, 689, 689, -144, -144, -144, -144, 601,
+	-205, 119, 144, 120, 121, -160, -144, -206, -211, -213,
+	106, 163, 146, 160, -243, -149, -152, -149, -149, -149,
+	-149, -149, -149, 222, -149, 222, -149, -149, -149, -149,
+	-149, -149, -309, -291, 90, 179, -156, -155, 105, -404,
+	-156, 575, 88, -218, 223, -144, -144, -381, -118, 442,
+	443, 444, 445, 447, 448, 449, 452, 453, 457, 458,
+	441, 459, 446, 451, 454, 455, 456, 450, 343, -144,
+	-130, -132, -130, -144, -220, -221, 148, -215, -144, -414,
+	-414, 96, 170, -126, 25, 39, -126, -126, -126, -126,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
+	-126, -144, -119, 441, 459, 446, 451, 454, 455, 456,
+	450, 343, 460, 461, 462, 463, 464, 465, 466, 467,
+	468, -119, -118, -144, -144, -144, -144, -144, -144, -87,
+	-144, 130, 131, 132, -207, -144, -149, -144, -144, -144,
+	-414, -144, -144, -144, -208, -207, -144, -144, -144, -144,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
-	-144, -144, -144, -144, -144, -144, -144, -380, -379, -378,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
-	-144, -144, -144, -207, -207, -207, -207, -207, -144, -414,
-	-144, -162, -147, 96, -258, 105, 92, -144, -144, -144,
-	-144, -144, -144, -131, -130, -293, -298, -289, -290, -130,
-	-131, -131, -130, -130, -144, -144, -144, -144, -144, -144,
-	-144, -144, -414, -144, -144, -144, -144, -144, -250, -414,
-	-207, 88, -397, 416, 417, 687, -300, 276, -299, 26,
-	-208, 90, 15, -260, 78, -291, -232, -232, 64, 65,
-	60, -130, -135, -414, -37, 26, -252, -291, 63, 90,
-	-327, -269, 371, 372, 179, -144, -144, 88, -231, 28,
-	29, -188, -294, 170, -298, -188, -261, 276, -188, -166,
-	-168, -169, -170, -191, -214, -413, -171, -31, 597, 594,
-	15, -181, -182, -190, -297, -267, -310, -266, 88, 415,
-	417, 418, 77, 122, -144, -328, 178, -356, -355, -354,
-	-337, -339, -340, -341, 89, -328, -333, 377, 376, -325,
-	-325, -325, -325, -325, -327, -327, -327, -327, 87, 87,
-	-325, -325, -325, -325, -330, 87, -330, -330, -331, -330,
-	87, -331, -332, 87, -332, -367, -144, -364, -363, -361,
-	-362, 250, 101, 669, 625, 578, 618, 659, 78, -359,
-	-231, 96, -414, -142, -283, 245, -365, -362, -381, -381,
-	-381, -283, 91, 90, 91, 90, 91, 90, -111, -60,
-	-1, 726, 727, 728, 88, 20, -338, -337, -59, 301,
-	-370, -371, 276, -366, -360, -346, 138, -345, -346, -346,
-	-381, 88, 30, 127, 127, 127, 127, 578, 229, 33,
-	-284, 617, 144, 669, 625, -337, -59, 243, 243, -309,
-	-309, -309, 90, 90, -279, 722, -181, -138, 293, 152,
-	282, 282, 240, 295, 240, 295, -188, 306, 309, 307,
-	308, 305, 310, 311, 24, 24, 24, 24, 24, 294,
-	296, 298, 284, -188, -188, -282, 77, -183, -188, 27,
-	-297, 90, 90, -188, -280, -280, -188, -280, -280, -188,
-	-409, 324, -291, 358, 680, 681, 683, 682, -122, 416,
-	88, 578, 23, -123, 23, -413, 119, 120, 121, -206,
-	-149, -152, -149, 143, 264, -149, -149, -413, -215, -414,
-	-293, 26, 88, 78, -414, 168, 88, 88, -414, -414,
-	88, 15, -223, -221, 150, -144, -414, 88, -414, -414,
-	-207, -144, -144, -144, -144, -414, -414, -414, -414, -414,
-	-414, -414, -414, -414, -414, -207, -414, 88, 88, 15,
-	-313, 26, -414, -414, -414, -414, -414, -222, -414, 15,
-	-414, 78, 88, 163, 88, -414, -414, -414, 88, 88,
-	-414, -414, 88, -414, 88, -414, -414, -414, -414, -414,
+	-144, -144, -380, -379, -378, -144, -144, -144, -144, -144,
+	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
+	-144, -144, -144, -144, -144, -144, -144, -144, -207, -207,
+	-207, -207, -207, -144, -414, -144, -162, -147, 96, -258,
+	105, 92, -144, -144, -144, -144, -144, -144, -131, -130,
+	-293, -298, -289, -290, -130, -131, -131, -130, -130, -144,
+	-144, -144, -144, -144, -144, -144, -144, -414, -144, -144,
+	-144, -144, -144, -250, -414, -207, 88, -397, 416, 417,
+	687, -300, 276, -299, 26, -208, 90, 15, -260, 78,
+	-291, -232, -232, 64, 65, 60, -130, -135, -414, -37,
+	26, -252, -291, 626, 626, 63, 90, -327, -269, 371,
+	372, 179, -144, -144, 88, -231, 28, 29, -188, -294,
+	170, -298, -188, -261, 276, -188, -166, -168, -169, -170,
+	-191, -214, -413, -171, -31, 597, 594, 15, -181, -182,
+	-190, -297, -267, -310, -266, 88, 415, 417, 418, 77,
+	122, -144, -328, 178, -356, -355, -354, -337, -339, -340,
+	-341, 89, -328, -333, 377, 376, -325, -325, -325, -325,
+	-325, -327, -327, -327, -327, 87, 87, -325, -325, -325,
+	-325, -330, 87, -330, -330, -331, -330, 87, -331, -332,
+	87, -332, -367, -144, -364, -363, -361, -362, 250, 101,
+	669, 625, 578, 618, 659, 78, -359, -231, 96, -414,
+	-142, -283, 245, -365, -362, -381, -381, -381, -283, 91,
+	90, 91, 90, 91, 90, -111, -60, -1, 726, 727,
+	728, 88, 20, -338, -337, -59, 301, -370, -371, 276,
+	-366, -360, -346, 138, -345, -346, -346, -381, 88, 30,
+	127, 127, 127, 127, 578, 229, 33, -284, 617, 144,
+	669, 625, -337, -59, 243, 243, -309, -309, -309, 90,
+	90, -279, 722, -181, -138, 293, 152, 282, 282, 240,
+	295, 240, 295, -188, 306, 309, 307, 308, 305, 310,
+	311, 24, 24, 24, 24, 24, 294, 296, 298, 284,
+	-188, -188, -282, 77, -183, -188, 27, -297, 90, 90,
+	-188, -280, -280, -188, -280, -280, -188, -409, 324, -291,
+	358, 680, 681, 683, 682, -122, 416, 88, 578, 23,
+	-123, 23, -413, 119, 120, 121, -206, -149, -152, -149,
+	143, 264, -149, -149, -413, -215, -414, -293, 26, 88,
+	78, -414, 168, 88, 88, -414, -414, 88, 15, -223,
+	-221, 150, -144, -414, 88, -414, -414, -207, -144, -144,
+	-144, -144, -414, -414, -414, -414, -414, -414, -414, -414,
+	-414, -414, -207, -414, 88, 88, 15, -313, 26, -414,
+	-414, -414, -414, -414, -222, -414, 15, -414, 78, 88,
+	163, 88, -414, -414, -414, 88, 88, -414, -414, 88,
+	-414, 88, -414, -414, -414, -414, -414, -414, 88, -414,
+	88, -414, -414, -414, 88, -414, 88, -414, -414, 88,
+	-414, 88, -414, 88, -414, 88, -414, 88, -414, 88,
+	-414, 88, -414, 88, -414, 88, -414, 88, -414, 88,
+	-414, 88, -414, 88, -414, 88, -414, 88, -414, 88,
 	-414, 88, -414, 88, -414, -414, -414, 88, -414, 88,
-	-414, -414, 88, -414, 88, -414, 88, -414, 88, -414,
-	88, -414, 88, -414, 88, -414, 88, -414, 88, -414,
-	88, -414, 88, -414, 88, -414, 88, -414, 88, -414,
-	88, -414, 88, -414, 88, -414, 88, -414, -414, -414,
-	88, -414, 88, -414, 88, -414, -414, 88, -414, 88,
-	-414, 88, -414, 88, 88, -414, 88, 88, 88, -414,
-	88, 88, 88, 88, -414, -414, -414, -414, 88, 88,
-	88, 88, 88, 88, 88, 88, 88, 88, -414, -414,
-	-414, -414, -414, -414, 88, -94, 602, -414, -414, 88,
-	-414, 88, 88, 88, 88, 88, -414, -413, 223, -414,
-	-414, -414, -414, -414, 88, 88, 88, 88, 88, 88,
-	-414, -414, -414, 88, 88, -414, 88, -414, 88, -414,
-	-396, 686, 417, -195, -194, -192, 75, 244, 76, -413,
-	-299, -414, -156, -258, -259, -258, -200, -291, 96, 105,
-	-234, -165, -167, 15, -135, -213, 89, 88, -327, -238,
-	-244, -277, -291, 90, 179, -329, 179, -329, 371, 372,
-	-230, 223, -196, 16, -199, 33, 58, -29, -413, -413,
-	33, 88, -184, -186, -185, -187, 67, 71, 73, 68,
-	69, 70, 74, -304, 26, -31, -166, -31, -413, -188,
-	-181, -415, 15, 78, -415, 88, 223, -268, -271, 419,
-	416, 422, -381, 90, -110, 88, -354, -341, -235, -139,
-	41, -334, 378, -327, 585, -327, -336, 90, -336, 96,
-	96, 96, 89, -49, -44, -45, 34, 82, -361, -348,
-	90, 40, -348, -348, -291, 89, -231, -138, -188, 144,
-	77, -365, -365, -365, -297, -2, 725, 731, 138, 87,
-	383, 19, -252, 88, 89, -216, 302, 89, -112, -291,
-	89, 87, -346, -346, -291, -413, 240, 32, 32, 669,
-	625, 617, -59, -216, -215, -381, -328, 724, 723, 89,
-	242, 300, -143, 436, -140, 90, 91, -188, -188, -188,
-	-188, -188, -188, 232, 229, 406, -405, 312, -405, 285,
-	243, -181, -188, 88, -84, 259, 254, -302, -302, 34,
-	-188, 416, 698, 696, -144, 143, 264, -160, -152, -118,
-	-118, -149, -311, 179, 344, 263, 342, 338, 358, 349,
-	376, 340, 377, 335, 334, 333, -311, -309, -149, -207,
-	-132, -144, -144, 151, -144, 149, -144, -414, -414, -414,
-	-414, -414, -227, -144, -144, -144, -414, 179, 344, 15,
-	-144, -309, -144, -144, -144, -144, -144, -144, -144, -144,
+	-414, 88, -414, -414, 88, -414, 88, -414, 88, -414,
+	88, 88, -414, 88, 88, 88, -414, 88, 88, 88,
+	88, -414, -414, -414, -414, 88, 88, 88, 88, 88,
+	88, 88, 88, 88, 88, -414, -414, -414, -414, -414,
+	-414, 88, -94, 602, -414, -414, 88, -414, 88, 88,
+	88, 88, 88, -414, -413, 223, -414, -414, -414, -414,
+	-414, 88, 88, 88, 88, 88, 88, -414, -414, -414,
+	88, 88, -414, 88, -414, 88, -414, -396, 686, 417,
+	-195, -194, -192, 75, 244, 76, -413, -299, -414, -156,
+	-258, -259, -258, -200, -291, 96, 105, -234, -165, -167,
+	15, -135, -213, 89, 88, -327, -238, -244, -277, -291,
+	90, 179, -329, 179, -329, 371, 372, -230, 223, -196,
+	16, -199, 33, 58, -29, -413, -413, 33, 88, -184,
+	-186, -185, -187, 67, 71, 73, 68, 69, 70, 74,
+	-304, 26, -31, -166, -31, -413, -188, -181, -415, 15,
+	78, -415, 88, 223, -268, -271, 419, 416, 422, -381,
+	90, -110, 88, -354, -341, -235, -139, 41, -334, 378,
+	-327, 585, -327, -336, 90, -336, 96, 96, 96, 89,
+	-49, -44, -45, 34, 82, -361, -348, 90, 40, -348,
+	-348, -291, 89, -231, -138, -188, 144, 77, -365, -365,
+	-365, -297, -2, 725, 731, 138, 87, 383, 19, -252,
+	88, 89, -216, 302, 89, -112, -291, 89, 87, -346,
+	-346, -291, -413, 240, 32, 32, 669, 625, 617, -59,
+	-216, -215, -381, -328, 724, 723, 89, 242, 300, -143,
+	436, -140, 90, 91, -188, -188, -188, -188, -188, -188,
+	232, 229, 406, -405, 312, -405, 285, 243, -181, -188,
+	88, -84, 259, 254, -302, -302, 34, -188, 416, 698,
+	696, -144, 143, 264, -160, -152, -118, -118, -149, -311,
+	179, 344, 263, 342, 338, 358, 349, 376, 340, 377,
+	335, 334, 333, -311, -309, -149, -207, -132, -144, -144,
+	151, -144, 149, -144, -414, -414, -414, -414, -414, -227,
+	-144, -144, -144, -414, 179, 344, 15, -144, -309, -144,
+	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
-	-144, -144, -144, -144, -144, -144, -144, -378, -144, -207,
-	-144, -207, -144, -144, -144, -144, -144, -379, -379, -379,
-	-379, -379, -207, -207, -207, -207, -144, -413, -291, -97,
-	-96, -95, 652, 244, -94, -162, -97, -162, 222, -144,
-	222, 222, 222, -144, -131, -293, -144, -144, -144, -144,
-	-144, -144, -144, -144, -144, -144, -192, -342, -342, -342,
-	-262, 88, -273, 23, 15, 58, 58, -165, -196, -166,
-	-135, -291, -241, 679, -247, 47, -245, -246, 48, -242,
-	49, 57, -329, -329, 170, -232, -144, -263, 77, -264,
-	-272, -215, -210, -212, -211, -413, -251, -414, -291, -262,
-	-264, -168, -169, -169, -168, -169, 67, 67, 67, 72,
-	67, 72, 67, -185, -297, -414, -144, -300, 78, -166,
-	-166, -190, -297, 170, 416, 420, 421, -354, -403, 119,
-	144, 32, 77, 374, 101, -401, 178, 614, 664, 669,
-	625, 618, 659, -402, 246, 137, 138, 258, 26, 42,
-	89, 88, 89, 88, 89, 89, 88, -285, -284, -45,
-	-44, -348, -348, 96, -381, 90, 90, 242, 27, -188,
-	77, 77, 77, -113, 729, 96, 87, -3, 82, -144,
-	87, 20, -337, -215, -372, -322, -373, -323, -324, -5,
-	-6, -349, -116, 58, 101, -63, 45, 241, 709, 710,
-	127, -413, 722, -364, -252, -368, -370, -188, -148, -413,
-	-159, -146, -145, -147, -153, 168, 169, 263, 340, 341,
-	-216, -188, -137, 291, 299, 87, -141, 92, -384, 78,
-	282, 374, 282, 374, 90, -406, 313, 90, -406, -188,
-	-84, -49, -188, -280, -280, 34, -381, -414, -160, -152,
-	-125, 163, 578, -314, 584, -325, -325, -325, -332, -325,
-	330, -325, 330, -325, -414, -414, -414, 88, -414, 23,
-	-414, -144, 88, -121, 474, 88, 88, -414, 87, 87,
-	-144, -414, -414, -414, 88, -414, -414, -414, -414, -414,
-	-414, -414, -414, -414, -414, -414, -414, -414, 88, -414,
-	88, -414, 88, -414, 88, -414, 88, -414, 88, -414,
-	88, -414, 88, -414, 88, -414, 88, -414, 88, -414,
-	88, -414, 88, -414, 88, -414, 88, -414, 88, -414,
-	-414, 88, -414, -414, -414, 88, -414, 88, -414, 88,
-	-414, -414, -414, 88, -312, 670, -414, -414, -414, -414,
-	-414, -414, -414, -414, -414, -414, -414, -93, -292, -291,
-	-94, 634, 634, -414, -94, -224, 88, -149, -414, -149,
-	-149, -149, -414, -414, -414, 88, -414, 88, 88, -414,
-	88, -414, 88, -414, -414, -414, -414, 88, -193, 23,
-	-193, -193, -414, -258, -188, -196, -225, 17, -238, 52,
-	350, -249, -248, 56, 48, -246, 20, 50, 20, 31,
-	-263, 88, 152, 88, -414, -414, 88, 58, 223, -414,
-	-196, -179, -178, 77, 78, -180, 77, -178, 67, 67,
-	-253, 88, -261, -166, -196, -196, 223, 119, -413, -148,
-	13, 90, 90, -381, -400, 713, 714, 32, 96, -348,
-	-348, 138, 138, -188, 87, -327, 90, -327, 96, 96,
-	32, 83, 84, 85, 32, 79, 80, 81, -188, -188,
-	-188, -188, -369, 87, 20, -144, 87, 152, 89, -252,
-	-252, 278, 163, -348, 707, 284, 284, -348, -348, -348,
-	-115, -114, 729, 89, -414, 88, -335, 578, 581, -144,
-	-154, -154, -253, 89, -377, 578, -383, -291, -291, -291,
-	-291, 96, 98, -414, 576, 74, 579, -414, -327, -144,
-	-144, -144, -232, 90, -144, -144, 96, 96, -414, -144,
+	-144, -144, -144, -144, -378, -144, -207, -144, -207, -144,
+	-144, -144, -144, -144, -379, -379, -379, -379, -379, -207,
+	-207, -207, -207, -144, -413, -291, -97, -96, -95, 652,
+	244, -94, -162, -97, -162, 222, -144, 222, 222, 222,
+	-144, -131, -293, -144, -144, -144, -144, -144, -144, -144,
+	-144, -144, -144, -192, -342, -342, -342, -262, 88, -273,
+	23, 15, 58, 58, -165, -196, -166, -135, -291, -241,
+	679, -247, 47, -245, -246, 48, -242, 49, 57, -329,
+	-329, 170, -232, -144, -263, 77, -264, -272, -215, -210,
+	-212, -211, -413, -251, -414, -291, -262, -264, -168, -169,
+	-169, -168, -169, 67, 67, 67, 72, 67, 72, 67,
+	-185, -297, -414, -144, -300, 78, -166, -166, -190, -297,
+	170, 416, 420, 421, -354, -403, 119, 144, 32, 77,
+	374, 101, -401, 178, 614, 664, 669, 625, 618, 659,
+	-402, 246, 137, 138, 258, 26, 42, 89, 88, 89,
+	88, 89, 89, 88, -285, -284, -45, -44, -348, -348,
+	96, -381, 90, 90, 242, 27, -188, 77, 77, 77,
+	-113, 729, 96, 87, -3, 82, -144, 87, 20, -337,
+	-215, -372, -322, -373, -323, -324, -5, -6, -349, -116,
+	58, 101, -63, 45, 241, 709, 710, 127, -413, 722,
+	-364, -252, -368, -370, -188, -148, -413, -159, -146, -145,
+	-147, -153, 168, 169, 263, 340, 341, -216, -188, -137,
+	291, 299, 87, -141, 92, -384, 78, 282, 374, 282,
+	374, 90, -406, 313, 90, -406, -188, -84, -49, -188,
+	-280, -280, 34, -381, -414, -160, -152, -125, 163, 578,
+	-314, 584, -325, -325, -325, -332, -325, 330, -325, 330,
+	-325, -414, -414, -414, 88, -414, 23, -414, -144, 88,
+	-121, 474, 88, 88, -414, 87, 87, -144, -414, -414,
+	-414, 88, -414, -414, -414, -414, -414, -414, -414, -414,
+	-414, -414, -414, -414, -414, 88, -414, 88, -414, 88,
+	-414, 88, -414, 88, -414, 88, -414, 88, -414, 88,
+	-414, 88, -414, 88, -414, 88, -414, 88, -414, 88,
+	-414, 88, -414, 88, -414, 88, -414, -414, 88, -414,
+	-414, -414, 88, -414, 88, -414, 88, -414, -414, -414,
+	88, -312, 670, -414, -414, -414, -414, -414, -414, -414,
+	-414, -414, -414, -414, -93, -292, -291, -94, 634, 634,
+	-414, -94, -224, 88, -149, -414, -149, -149, -149, -414,
+	-414, -414, 88, -414, 88, 88, -414, 88, -414, 88,
+	-414, -414, -414, -414, 88, -193, 23, -193, -193, -414,
+	-258, -188, -196, -225, 17, -238, 52, 350, -249, -248,
+	56, 48, -246, 20, 50, 20, 31, -263, 88, 152,
+	88, -414, -414, 88, 58, 223, -414, -196, -179, -178,
+	77, 78, -180, 77, -178, 67, 67, -253, 88, -261,
+	-166, -196, -196, 223, 119, -413, -148, 13, 90, 90,
+	-381, -400, 713, 714, 32, 96, -348, -348, 138, 138,
+	-188, 87, -327, 90, -327, 96, 96, 32, 83, 84,
+	85, 32, 79, 80, 81, -188, -188, -188, -188, -369,
+	87, 20, -144, 87, 152, 89, -252, -252, 278, 163,
+	-348, 707, 284, 284, -348, -348, -348, -115, -114, 729,
+	89, -414, 88, -335, 578, 581, -144, -154, -154, -253,
+	89, -377, 578, -383, -291, -291, -291, -291, 96, 98,
+	-414, 576, 74, 579, -414, -327, -144, -144, -144, -232,
+	90, -144, -144, 96, 96, -414, -144, -144, -144, -144,
 	-144, -144, -144, -144, -144, -144, -144, -144, -144, -144,
-	-144, -144, -144, -144, -144, -144, -144, -144, -144, -207,
-	-144, -414, -176, -175, -177, 690, 119, 32, -311, -414,
-	-209, 276, -100, -99, -98, 15, -414, -144, -118, -118,
-	-118, -118, -144, -144, -144, -144, -144, -144, -413, 67,
-	19, 17, -413, -413, -300, -225, -226, 18, 20, -239,
-	54, -237, 53, -237, -248, 20, 20, 90, 20, 90,
-	138, -272, -144, -212, 58, -29, -291, -210, -291, -227,
-	-144, 87, -144, -156, -196, -196, -144, -202, 498, 500,
-	501, 502, 499, 504, 505, 506, 507, 508, 509, 510,
-	511, 512, 513, 503, 514, 475, 476, 477, 108, 110,
-	109, 478, 479, 480, 344, 526, 527, 521, 524, 525,
-	523, 522, 359, 360, 481, 544, 545, 549, 548, 546,
-	547, 550, 553, 554, 555, 556, 557, 558, 560, 559,
-	551, 552, 529, 528, 530, 531, 532, 533, 534, 535,
-	537, 536, 538, 539, 540, 541, 542, 543, 561, 562,
-	563, 564, 565, 567, 566, 571, 570, 568, 569, 573,
-	572, 482, 483, 111, 112, 113, 114, 115, 116, 117,
-	484, 487, 485, 488, 489, 490, 495, 496, 491, 492,
-	493, 494, 497, 370, 368, 369, 365, 364, 363, 423,
-	428, 429, 431, 515, 516, 517, 518, 519, 520, 671,
-	672, 673, 674, 675, 676, 677, 678, 90, 90, 87,
-	-144, 89, 89, -253, -368, -60, 89, -254, -252, 96,
-	89, 279, -211, -413, 90, -348, -348, -348, 96, 96,
-	-299, -414, 88, -291, -402, -370, 582, 582, -414, 26,
-	-376, -375, -293, 87, 78, 63, 577, 580, -414, -414,
-	88, -414, -414, -414, 89, 89, -414, -414, -414, -414,
+	-144, -144, -144, -144, -144, -144, -207, -144, -414, -176,
+	-175, -177, 690, 119, 32, -311, -414, -209, 276, -100,
+	-99, -98, 15, -414, -144, -118, -118, -118, -118, -144,
+	-144, -144, -144, -144, -144, -413, 67, 19, 17, -413,
+	-413, -300, -225, -226, 18, 20, -239, 54, -237, 53,
+	-237, -248, 20, 20, 90, 20, 90, 138, -272, -144,
+	-212, 58, -29, -291, -210, -291, -227, -144, 87, -144,
+	-156, -196, -196, -144, -202, 498, 500, 501, 502, 499,
+	504, 505, 506, 507, 508, 509, 510, 511, 512, 513,
+	503, 514, 475, 476, 477, 108, 110, 109, 478, 479,
+	480, 344, 526, 527, 521, 524, 525, 523, 522, 359,
+	360, 481, 544, 545, 549, 548, 546, 547, 550, 553,
+	554, 555, 556, 557, 558, 560, 559, 551, 552, 529,
+	528, 530, 531, 532, 533, 534, 535, 537, 536, 538,
+	539, 540, 541, 542, 543, 561, 562, 563, 564, 565,
+	567, 566, 571, 570, 568, 569, 573, 572, 482, 483,
+	111, 112, 113, 114, 115, 116, 117, 484, 487, 485,
+	488, 489, 490, 495, 496, 491, 492, 493, 494, 497,
+	370, 368, 369, 365, 364, 363, 423, 428, 429, 431,
+	515, 516, 517, 518, 519, 520, 671, 672, 673, 674,
+	675, 676, 677, 678, 90, 90, 87, -144, 89, 89,
+	-253, -368, -60, 89, -254, -252, 96, 89, 279, -211,
+	-413, 90, -348, -348, -348, 96, 96, -299, -414, 88,
+	-291, -402, -370, 582, 582, -414, 26, -376, -375, -293,
+	87, 78, 63, 577, 580, -414, -414, 88, -414, -414,
+	-414, 89, 89, -414, -414, -414, -414, -414, -414, -414,
 	-414, -414, -414, -414, -414, -414, -414, -414, -414, -414,
-	-414, -414, -414, -414, -414, -414, -414, -414, 88, -414,
-	-175, -177, -414, 77, -156, -227, 20, -97, 301, 303,
-	-97, -414, -414, -414, -414, -414, 88, -414, -414, 88,
-	-414, 88, -414, -414, -255, -414, -291, 246, 20, 20,
-	-255, -255, -195, -226, -107, -106, -105, 608, -144, -207,
-	-240, 55, 77, 122, 90, 90, 90, 13, -210, 223,
-	-232, -252, -173, 383, -227, -414, -252, 89, 26, 89,
-	731, 138, 89, -211, -124, -413, 275, -299, 90, 90,
-	-114, -117, -29, 88, 152, -252, -188, 63, -144, -207,
-	-414, 77, 589, 690, -92, -91, -88, 701, 727, -207,
-	-94, -94, -144, -144, -144, 88, -414, -414, -414, -107,
-	88, -104, -103, -291, 77, 122, -264, -291, 89, -414,
-	-413, -232, 89, -236, -29, 87, -3, 275, -322, -373,
-	-323, -324, -5, -6, -349, -82, 578, -375, -353, -297,
-	-293, 90, 96, 89, 578, -414, -414, -90, 146, 699,
-	667, -154, 222, -414, 88, -414, 88, -414, 88, -291,
-	246, -105, 88, 26, -300, -174, -172, -291, 631, -393,
-	-392, 574, -403, -399, 119, 144, 101, -401, 669, 625,
-	128, 129, -82, -144, 87, -414, -83, 290, 686, 223,
-	-384, 579, -90, 700, 645, 620, 645, 620, -149, -144,
-	-144, -144, -103, -413, -414, 88, 23, -315, -62, 642,
-	-390, -391, 77, -394, 389, 641, 662, 119, 90, 89,
-	-252, 251, -298, -377, 580, 143, -118, -414, 88, -414,
-	88, -414, -93, -172, 638, -328, -156, -391, 77, -390,
-	77, 14, 13, -4, 730, 89, 292, -90, 645, 620,
-	-144, -144, -414, -61, 27, -173, -389, 259, 254, 257,
-	33, -389, 96, -4, -414, -414, 642, 253, 32, 119,
-	-156, -176, -175, -175,
+	-414, -414, -414, -414, -414, 88, -414, -175, -177, -414,
+	77, -156, -227, 20, -97, 301, 303, -97, -414, -414,
+	-414, -414, -414, 88, -414, -414, 88, -414, 88, -414,
+	-414, -255, -414, -291, 246, 20, 20, -255, -255, -195,
+	-226, -107, -106, -105, 608, -144, -207, -240, 55, 77,
+	122, 90, 90, 90, 13, -210, 223, -232, -252, -173,
+	383, -227, -414, -252, 89, 26, 89, 731, 138, 89,
+	-211, -124, -413, 275, -299, 90, 90, -114, -117, -29,
+	88, 152, -252, -188, 63, -144, -207, -414, 77, 589,
+	690, -92, -91, -88, 701, 727, -207, -94, -94, -144,
+	-144, -144, 88, -414, -414, -414, -107, 88, -104, -103,
+	-291, 77, 122, -264, -291, 89, -414, -413, -232, 89,
+	-236, -29, 87, -3, 275, -322, -373, -323, -324, -5,
+	-6, -349, -82, 578, -375, -353, -297, -293, 90, 96,
+	89, 578, -414, -414, -90, 146, 699, 667, -154, 222,
+	-414, 88, -414, 88, -414, 88, -291, 246, -105, 88,
+	26, -300, -174, -172, -291, 631, -393, -392, 574, -403,
+	-399, 119, 144, 101, -401, 669, 625, 128, 129, -82,
+	-144, 87, -414, -83, 290, 686, 223, -384, 579, -90,
+	700, 645, 620, 645, 620, -149, -144, -144, -144, -103,
+	-413, -414, 88, 23, -315, -62, 642, -390, -391, 77,
+	-394, 389, 641, 662, 119, 90, 89, -252, 251, -298,
+	-377, 580, 143, -118, -414, 88, -414, 88, -414, -93,
+	-172, 638, -328, -156, -391, 77, -390, 77, 14, 13,
+	-4, 730, 89, 292, -90, 645, 620, -144, -144, -414,
+	-61, 27, -173, -389, 259, 254, 257, 33, -389, 96,
+	-4, -414, -414, 642, 253, 32, 119, -156, -176, -175,
+	-175,
 }
 
 var yyDef = [...]int{
@@ -9187,415 +9204,416 @@ var yyDef = [...]int{
 	19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
 	29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
 	39, 72, 74, 75, 879, 879, 879, 0, 879, 0,
-	0, 879, -2, -2, 879, 1610, 0, 879, 0, 874,
+	0, 879, -2, -2, 879, 1615, 0, 879, 0, 874,
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 	401, 401, 401, 401, 401, 401, 401, 401, 401, 401,
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-	1772, 1773, 1774, 1775, 1776, 1777, 1778, 1779, 1780, 1781,
-	1782, 1783, 1784, 1785, 1786, 1787, 1788, 1789, 1790, 1791,
-	1792, 1793, 1794, 1795, 1796, 1797, 1798, 1799, 1800, 1801,
-	1802, 1803, 1804, 1805, 1806, 1807, 1808, 1809, 1810, 1811,
-	1812, 1813, 1814, 1815, 1816, 1817, 1818, 1819, 1820, 1821,
-	1822, 1823, 1824, 1825, 1826, 1827, 1828, 1829, 1830, 1831,
-	1832, 1833, 1834, 1835, 1836, 1837, 1838, 1839, 1840, 1841,
-	1842, 1843, 1844, 1845, 1846, 1847, 1848, 1849, 1850, 1851,
-	1852, 1853, 1854, 1855, 1856, 1857, 1858, 1859, 1860, 1861,
-	1862, 1863, 1864, 1865, 1866, 1867, 1868, 1869, 1870, 1871,
-	1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881,
-	1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890, 1891,
-	1892, 1893, 1894, 1895, 1896, 1897, 1898, 1899, 1900, 1901,
-	1902, 1903, 1904, 1905, 1906, 1907, 1908, 1909, 1910, 1911,
-	1912, 1913, 1914, 1915, 1916, 1917, 1918, 1919, 1920, 1921,
-	1922, 1923, 1924, 1925, 1926, 1927, 1928, 1929, 1930, 1931,
-	1932, 1933, 1934, 1935, 1936, 1937, 1938, 1939, 1940, 1941,
-	1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951,
-	1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961,
-	1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971,
-	1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981,
-	1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991,
-	1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
-	2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021,
-	2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030, 2031,
-	2032, 2033, 2034, 2035, 2036, 2037, 2038, 2039, 2040, 2041,
-	2042, 2043, 2044, 2045, 2046, 2047, 2048, 2049, 2050, 2051,
-	2052, 2053, 2054, 2055, 2056, 2057, 2058, 2059, 2060, 2061,
-	2062, 2063, 2064, 2065, 2066, 2067, 2068, 2069, 2070, 2071,
-	2072, 2073, 2074, 2075, 2076, 2077, 2078, 2079, 2080, 2081,
-	2082, 2083, 2084, 2085, 2086, 2087, 2088, 2089, 2090, 2091,
-	2092, 2093, 2094, 2095, 2096, 2097, 2098, 2099, 2100, 2101,
-	2102, 2103, 2104, 2105, 2106, 2107, 2108, 2109, 2110, 2111,
-	2112, 2113, 2114, 2115, 2116, 2117, 2118, 2119, 2120, 2121,
-	2122, 2123, 2124, 2125, 2126, 2127, 2128, 2129, 2130, 2131,
-	2132, 2133, 2134, 2135, 2136, 2137, 2138, 2139, 2140, 2141,
-	2142, 2143, 2144, 2145, 2146, 2147, 2148, 2149, 2150, 2151,
-	2152, 2153, 2154, 2155, 2156, 2157, 2158, 2159, 2160, 2161,
-	2162, 2163, 2164, 2165, 2166, 2167, 2168, 2169, 2170, 2171,
-	2172, 2173, 2174, 2175, 2176, 2177, 2178, 2179, 2180, 2181,
-	2182, 2183, 2184, 2185, 2186, 2187, 2188, 2189, 2190, 2191,
-	2192, 2193, 2194, 2195, 2196, 2197, 2198, 2199, 2200, 2201,
-	2202, 2203, 2204, 2205, 2206, 2207, 2208, 2209, 2210, 2211,
-	2212, 2213, 2214, 2215, 2216, 2217, 2218, 2219, 2220, 2221,
-	2222, 2223, 2224, 2225, 2226, 2227, 2228, 2229, 2230, 2231,
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+	1777, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785, 1786,
+	1787, 1788, 1789, 1790, 1791, 1792, 1793, 1794, 1795, 1796,
+	1797, 1798, 1799, 1800, 1801, 1802, 1803, 1804, 1805, 1806,
+	1807, 1808, 1809, 1810, 1811, 1812, 1813, 1814, 1815, 1816,
+	1817, 1818, 1819, 1820, 1821, 1822, 1823, 1824, 1825, 1826,
+	1827, 1828, 1829, 1830, 1831, 1832, 1833, 1834, 1835, 1836,
+	1837, 1838, 1839, 1840, 1841, 1842, 1843, 1844, 1845, 1846,
+	1847, 1848, 1849, 1850, 1851, 1852, 1853, 1854, 1855, 1856,
+	1857, 1858, 1859, 1860, 1861, 1862, 1863, 1864, 1865, 1866,
+	1867, 1868, 1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876,
+	1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886,
+	1887, 1888, 1889, 1890, 1891, 1892, 1893, 1894, 1895, 1896,
+	1897, 1898, 1899, 1900, 1901, 1902, 1903, 1904, 1905, 1906,
+	1907, 1908, 1909, 1910, 1911, 1912, 1913, 1914, 1915, 1916,
+	1917, 1918, 1919, 1920, 1921, 1922, 1923, 1924, 1925, 1926,
+	1927, 1928, 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936,
+	1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946,
+	1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956,
+	1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966,
+	1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976,
+	1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986,
+	1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+	1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
+	2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026,
+	2027, 2028, 2029, 2030, 2031, 2032, 2033, 2034, 2035, 2036,
+	2037, 2038, 2039, 2040, 2041, 2042, 2043, 2044, 2045, 2046,
+	2047, 2048, 2049, 2050, 2051, 2052, 2053, 2054, 2055, 2056,
+	2057, 2058, 2059, 2060, 2061, 2062, 2063, 2064, 2065, 2066,
+	2067, 2068, 2069, 2070, 2071, 2072, 2073, 2074, 2075, 2076,
+	2077, 2078, 2079, 2080, 2081, 2082, 2083, 2084, 2085, 2086,
+	2087, 2088, 2089, 2090, 2091, 2092, 2093, 2094, 2095, 2096,
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+	2157, 2158, 2159, 2160, 2161, 2162, 2163, 2164, 2165, 2166,
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+	149, 1507, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 1594, 0, 0,
+	0, 0, 898, 983, 1617, 1618, 719, 0, 0, 784,
+	785, 0, 413, 414, 783, 783, 729, 770, 0, 783,
+	733, 771, 734, 736, 735, 737, 750, 751, 783, 740,
+	781, 782, 741, 742, 743, 744, 745, 746, 747, 766,
+	752, 753, 754, 787, 0, 791, 792, 767, 768, 0,
+	0, 807, 808, 0, 815, 839, 837, 838, 840, 832,
+	833, 834, 835, 0, 841, 0, 0, 857, 98, 862,
+	863, 864, 865, 877, 870, 1133, 999, 1000, 1001, 0,
+	1003, 1007, 0, 1117, 1119, 1009, 1005, 1011, 1128, 1129,
+	1130, 0, 0, 0, 0, 0, 1015, 1019, 1024, 1025,
+	1026, 1027, 1028, 0, 1029, 0, 1032, 1033, 1034, 1035,
+	1036, 1037, 1043, 1426, 1427, 1428, 1062, 301, 302, 0,
+	1063, 0, 0, 0, 0, 0, 0, 0, 0, 1373,
+	1374, 1375, 1376, 1377, 1378, 1379, 1380, 1381, 1382, 1383,
+	1384, 1385, 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1132,
+	0, 913, 0, 0, 1456, 1453, 0, 0, 0, 1412,
+	1414, 0, 0, 0, 890, 891, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 1393, 1394, 1395, 1396, 1397, 1398, 1399,
+	1400, 1401, 1402, 1403, 1404, 1405, 1406, 1407, 1408, 1409,
+	1410, 0, 0, 1429, 0, 0, 0, 0, 0, 1449,
+	0, 1068, 1069, 1070, 0, 0, 0, 0, 0, 0,
+	1191, 0, 0, 0, 0, 1605, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 144, 145, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 1337, 1338, 1339,
+	1340, 41, 0, 0, 0, 0, 0, 0, 0, 900,
+	1460, 0, -2, -2, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 1362, 0, 0,
+	0, 0, 0, 0, 1577, 0, 0, 847, 848, 850,
+	0, 985, 0, 966, 0, 0, 853, 0, 894, 0,
+	897, 62, 64, 906, 907, 0, 924, 903, 58, 53,
+	0, 0, 943, 1527, 1530, 1531, 374, 1553, 0, 383,
+	383, 380, 1488, 1489, 0, 1481, 1483, 1484, 81, 921,
+	917, 0, 997, 0, 0, 980, 0, 927, 929, 930,
+	931, 963, 0, 934, 935, 0, 0, 0, 0, 0,
+	100, 982, 106, 0, 114, 0, 0, 119, 120, 107,
+	108, 109, 110, 0, 605, -2, 460, 181, 183, 184,
+	185, 176, -2, 372, 370, 371, 311, 374, 374, 337,
+	338, 339, 340, 341, 342, 0, 0, 330, 331, 332,
+	333, 322, 0, 323, 324, 325, 364, 0, 326, 327,
+	0, 328, 427, 0, 1490, 390, 391, 393, 401, 0,
+	396, 397, 0, 401, 401, 0, 422, 423, 0, 1482,
+	1507, 0, 0, 0, 1607, 1606, 1606, 1606, 0, 169,
+	170, 171, 172, 173, 174, 641, 0, 0, 617, 639,
+	640, 167, 0, 0, 177, 516, 515, 0, 673, 0,
+	425, 0, 0, 419, 419, 404, 405, 557, 0, 0,
+	648, 649, 650, 651, 0, 0, 0, 543, 454, 0,
+	544, 545, 514, 516, 0, 0, 385, 468, 469, 474,
+	475, 494, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 592, 593, 594, 597, 599, 518,
+	603, 596, 598, 600, 518, 604, 1504, 1505, 1506, 0,
+	0, 711, 0, 0, 451, 96, 1595, 716, 720, 721,
+	780, 739, 772, 780, 731, 738, 760, 805, 806, 811,
+	819, 820, 821, 822, 823, 861, 0, 0, 0, 0,
+	869, 0, 0, 1008, 1118, 1120, 1012, 0, 1016, 1020,
+	0, 0, 0, 0, 0, 1067, 1065, 1460, 0, 0,
+	0, 1114, 0, 0, 0, 1136, 1137, 0, 0, 0,
+	1454, 0, 0, 1143, 0, 1415, 1153, 0, 0, 0,
+	0, 0, 1159, 1160, 1161, 1162, 1163, 1164, 1165, 1166,
+	1167, 1168, 1476, 1170, 0, 0, 0, 0, 0, 1175,
+	1176, 1177, 1178, 1179, 0, 1181, 0, 1182, 0, 0,
+	0, 0, 1189, 1190, 1192, 0, 0, 1195, 1196, 0,
+	1198, 0, 1200, 1201, 1202, 1203, 1204, 1205, 0, 1207,
+	0, 1209, 1210, 1211, 0, 1213, 0, 1215, 1216, 0,
+	1218, 0, 1220, 0, 1223, 0, 1226, 0, 1229, 0,
+	1232, 0, 1235, 0, 1238, 0, 1241, 0, 1244, 0,
+	1247, 0, 1250, 0, 1253, 0, 1256, 0, 1259, 0,
+	1262, 0, 1265, 0, 1268, 1269, 1270, 0, 1272, 0,
+	1274, 0, 1277, 1278, 0, 1280, 0, 1283, 0, 1286,
+	0, 0, 1287, 0, 0, 0, 1291, 0, 0, 0,
+	0, 1300, 1301, 1302, 1303, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 1314, 1315, 1316, 1317, 1318,
+	1319, 0, 1321, 0, 1096, 0, 0, 1096, 0, 0,
+	0, 0, 0, 1134, 899, 0, 1416, 1417, 1418, 1419,
+	1420, 0, 0, 0, 0, 0, 0, 1360, 1361, 1363,
+	0, 0, 1366, 0, 1368, 0, 1578, 846, 849, 851,
+	937, 986, 987, 0, 0, 0, 0, 967, 1603, 892,
+	893, 896, 945, 0, 1464, 0, 0, 924, 997, 925,
+	0, 904, 55, 940, 0, 1535, 1534, 1547, 1560, 383,
+	383, 377, 378, 384, 379, 381, 382, 1480, 0, 1485,
+	0, 1571, 0, 0, 1563, 0, 0, 0, 0, 0,
+	0, 0, 0, 970, 0, 0, 973, 0, 0, 0,
+	0, 964, 935, 0, 936, 0, -2, 0, 0, 94,
+	95, 0, 0, 0, 117, 118, 0, 0, 124, 386,
+	387, 158, 167, 462, 182, 435, 0, 0, 307, 373,
+	334, 335, 336, 0, 358, 0, 0, 0, 0, 456,
+	130, 1494, 1493, 401, 401, 392, 0, 395, 0, 0,
+	0, 1608, 361, 424, 0, 148, 0, 0, 0, 0,
+	0, 154, 611, 0, 0, 618, 0, 0, 0, 525,
+	0, 536, 537, 0, 645, -2, 707, 389, 0, 403,
+	406, 952, 0, 0, 538, 0, 541, 542, 455, 516,
+	547, 548, 562, 549, 497, 498, 495, 0, 0, 1517,
+	1518, 1523, 1521, 1522, 135, 583, 585, 589, 584, 588,
+	0, 0, 0, 520, 0, 520, 581, 0, 451, 1490,
+	0, 715, 452, 453, 783, 783, 856, 99, 0, 859,
+	0, 0, 0, 0, 1013, 1017, 1030, 1031, 1421, 1447,
+	360, 360, 1434, 360, 366, 1437, 360, 1439, 360, 1442,
+	360, 1445, 1446, 0, 0, 1060, 0, 914, 0, 0,
+	1142, 1457, 0, 0, 1154, 1155, 1156, 1157, 1158, 1451,
+	0, 0, 0, 1174, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 146, 147, 0, 0, 0, 0,
+	0, 0, 1371, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 1091, 1095, 0, 1097, 1098, 0,
+	0, 1323, 0, 0, 1341, 0, 0, 0, 0, 0,
+	0, 0, 1461, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 988, 993, 993, 993, 0, 0, 0,
+	1590, 1591, 1465, 1466, 997, 1467, 926, 905, 944, 1553,
+	0, 1546, 0, -2, 1555, 0, 0, 0, 1561, 375,
+	376, 918, 82, 998, 85, 0, 1571, 1580, 0, 1562,
+	1573, 1575, 0, 0, 0, 1567, 0, 997, 928, 959,
+	961, 0, 956, 971, 972, 974, 0, 976, 0, 978,
+	979, 939, 933, 0, 102, 0, 997, 997, 101, 0,
+	984, 121, 122, 123, 461, 186, 191, 0, 0, 0,
+	196, 0, 198, 0, 0, 0, 203, 204, 401, 401,
+	436, 0, 304, 306, 0, 0, 189, 374, 0, 374,
+	0, 365, 367, 0, 437, 457, 1491, 1492, 0, 0,
+	394, 398, 399, 400, 0, 1597, 150, 0, 0, 0,
+	614, 0, 642, 0, 0, 0, 0, 0, 0, 178,
+	517, 674, 675, 676, 677, 678, 679, 680, 681, 682,
+	0, 401, 0, 0, 0, 401, 401, 401, 0, 699,
+	388, 0, 0, 670, 667, 539, 0, 220, 221, 228,
+	229, 231, 0, 0, 0, 0, 0, 546, 939, 1508,
+	1509, 1510, 0, 1520, 1524, 138, 0, 0, 0, 0,
+	591, 595, 601, 0, 519, 602, 712, 713, 714, 97,
+	724, 730, 858, 878, 1006, 1014, 1018, 0, 0, 0,
+	0, 1448, 1432, 374, 1435, 1436, 1438, 1440, 1441, 1443,
+	1444, 1056, 1057, 1061, 0, 1139, 0, 1141, 1455, 0,
+	1485, 0, 0, 0, 1173, 0, 0, 0, 1184, 1183,
+	1185, 0, 1187, 1188, 1193, 1194, 1197, 1199, 1206, 1208,
+	1212, 1214, 1217, 1219, 1221, 0, 1224, 0, 1227, 0,
+	1230, 0, 1233, 0, 1236, 0, 1239, 0, 1242, 0,
+	1245, 0, 1248, 0, 1251, 0, 1254, 0, 1257, 0,
+	1260, 0, 1263, 0, 1266, 0, 1271, 1273, 0, 1276,
+	1279, 1281, 0, 1284, 0, 1288, 0, 1290, 1292, 1293,
+	0, 0, 0, 1304, 1305, 1306, 1307, 1308, 1309, 1310,
+	1311, 1312, 1313, 1320, 0, 1089, 1092, 1322, 1099, 1100,
+	1105, 1325, 0, 0, 0, 1328, 0, 0, 0, 1332,
+	1135, 1343, 0, 1348, 0, 0, 1354, 0, 1358, 0,
+	1364, 1365, 1367, 1369, 0, 0, 0, 0, 0, 965,
+	946, 66, 1467, 1469, 0, 1540, 1538, 1538, 1548, 1549,
+	0, 0, 1556, 0, 0, 0, 0, 86, 0, 0,
+	0, 1576, 0, 0, 0, 0, 103, 1476, 953, 960,
+	0, 0, 954, 0, 955, 975, 977, 932, 0, 997,
+	997, 92, 93, 0, 192, 0, 194, 0, 197, 199,
+	200, 201, 207, 208, 209, 202, 0, 0, 303, 305,
+	0, 0, 348, 359, 349, 0, 0, 1495, 1496, 1497,
+	1498, 1499, 1500, 1501, 1502, 939, 151, 152, 153, 606,
+	0, 616, 0, 941, 0, 609, 0, 528, 0, 0,
+	0, 401, 401, 401, 0, 0, 0, 0, 684, 0,
+	0, 647, 0, 655, 0, 0, 0, 232, 233, 0,
+	1519, 582, 0, 136, 137, 0, 0, 587, 521, 522,
+	1054, 0, 0, 0, 1055, 1433, 0, 0, 0, 0,
+	1452, 0, 0, 0, 0, 1180, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 1296, 0,
+	0, 0, 636, 637, 0, 1372, 1094, 1476, 0, 1096,
+	1106, 1107, 0, 1096, 1342, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 994, 0, 0, 0,
+	0, 985, 1469, 1474, 0, 0, 1543, 0, 1536, 1539,
+	1537, 1550, 0, 0, 1557, 0, 1559, 0, 1581, 1582,
+	1574, 0, 1566, 1569, 1565, 1568, 1485, 957, 0, 962,
+	0, 1476, 91, 0, 195, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 205, 206, 0, 0, 363, 368,
+	0, 0, 0, 607, 0, 942, 619, 610, 0, 697,
+	0, 701, 0, 0, 0, 704, 705, 706, 683, 0,
+	687, 429, 671, 668, 669, 540, 0, 139, 140, 0,
+	0, 0, 1422, 0, 1425, 1138, 1140, 0, 1169, 1171,
+	1172, 1430, 1431, 1186, 1222, 1225, 1228, 1231, 1234, 1237,
+	1240, 1243, 1246, 1249, 1252, 1255, 1258, 1261, 1264, 1267,
+	1275, 1282, 1285, 1289, 1294, 0, 1297, 0, 0, 1298,
+	0, 638, 1085, 0, 0, 1103, 1104, 0, 1327, 1329,
+	1330, 1331, 1344, 0, 1349, 1350, 0, 1355, 0, 1359,
+	1370, 0, 990, 947, 948, 995, 996, 0, 0, 938,
+	1474, 84, 1475, 1472, 0, 1470, 1468, 1532, 0, 1541,
+	1542, 1551, 1552, 1558, 0, 1564, 0, 89, 0, 0,
+	0, 1485, 193, 0, 212, 0, 615, 0, 618, 608,
+	695, 696, 0, 708, 700, 702, 703, 685, -2, 1511,
+	0, 0, 0, 590, 1423, 0, 0, 1299, 0, 634,
+	635, 1093, 1086, 0, 1071, 1072, 1090, 1324, 1326, 0,
+	0, 0, 0, 989, 991, 992, 83, 0, 1471, 1111,
+	0, 1544, 1545, 1572, 1570, 958, 965, 0, 90, 442,
+	435, 1511, 0, 0, 0, 688, 689, 690, 691, 692,
+	693, 694, 579, 1513, 141, 142, 0, 509, 510, 511,
+	135, 0, 1144, 1295, 1087, 0, 0, 0, 0, 0,
+	1345, 0, 1351, 0, 1356, 0, 949, 950, 1473, 0,
+	0, 620, 0, 622, 0, -2, 430, 443, 0, 187,
+	213, 214, 0, 0, 217, 218, 219, 210, 211, 131,
+	0, 0, 709, 0, 1514, 1515, 0, 138, 0, 0,
+	1078, 1079, 1080, 1081, 1083, 0, 0, 0, 0, 1112,
+	1091, 621, 0, 0, 385, 0, 631, 431, 432, 0,
+	438, 439, 440, 441, 215, 216, 643, 0, 0, 508,
+	586, 1424, 0, 0, 1346, 0, 1352, 0, 1357, 0,
+	623, 624, 632, 0, 433, 0, 434, 0, 0, 0,
+	612, 0, 643, 1512, 1088, 1082, 1084, 0, 0, 1110,
+	0, 633, 629, 444, 446, 447, 0, 0, 445, 644,
+	613, 1347, 1353, 0, 448, 449, 450, 625, 626, 627,
+	628,
 }
 
 var yyTok1 = [...]int{
@@ -21444,336 +21462,376 @@ yydefault:
 		}
 		yyVAL.union = yyLOCAL
 	case 1526:
-		yyDollar = yyS[yypt-4 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL Lock
 //line sql.y:7502
 		{
-			yyLOCAL = ShareModeLock
+			yyLOCAL = ForUpdateLockNoWait
 		}
 		yyVAL.union = yyLOCAL
 	case 1527:
+		yyDollar = yyS[yypt-4 : yypt+1]
+		var yyLOCAL Lock
+//line sql.y:7506
+		{
+			yyLOCAL = ForUpdateLockSkipLocked
+		}
+		yyVAL.union = yyLOCAL
+	case 1528:
+		yyDollar = yyS[yypt-2 : yypt+1]
+		var yyLOCAL Lock
+//line sql.y:7510
+		{
+			yyLOCAL = ForShareLock
+		}
+		yyVAL.union = yyLOCAL
+	case 1529:
+		yyDollar = yyS[yypt-3 : yypt+1]
+		var yyLOCAL Lock
+//line sql.y:7514
+		{
+			yyLOCAL = ForShareLockNoWait
+		}
+		yyVAL.union = yyLOCAL
+	case 1530:
+		yyDollar = yyS[yypt-4 : yypt+1]
+		var yyLOCAL Lock
+//line sql.y:7518
+		{
+			yyLOCAL = ForShareLockSkipLocked
+		}
+		yyVAL.union = yyLOCAL
+	case 1531:
+		yyDollar = yyS[yypt-4 : yypt+1]
+		var yyLOCAL Lock
+//line sql.y:7522
+		{
+			yyLOCAL = ShareModeLock
+		}
+		yyVAL.union = yyLOCAL
+	case 1532:
 		yyDollar = yyS[yypt-9 : yypt+1]
 		var yyLOCAL *SelectInto
-//line sql.y:7508
+//line sql.y:7528
 		{
 			yyLOCAL = &SelectInto{Type: IntoOutfileS3, FileName: encodeSQLString(yyDollar[4].str), Charset: yyDollar[5].columnCharset, FormatOption: yyDollar[6].str, ExportOption: yyDollar[7].str, Manifest: yyDollar[8].str, Overwrite: yyDollar[9].str}
 		}
 		yyVAL.union = yyLOCAL
-	case 1528:
+	case 1533:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL *SelectInto
-//line sql.y:7512
+//line sql.y:7532
 		{
 			yyLOCAL = &SelectInto{Type: IntoDumpfile, FileName: encodeSQLString(yyDollar[3].str), Charset: ColumnCharset{}, FormatOption: "", ExportOption: "", Manifest: "", Overwrite: ""}
 		}
 		yyVAL.union = yyLOCAL
-	case 1529:
+	case 1534:
 		yyDollar = yyS[yypt-5 : yypt+1]
 		var yyLOCAL *SelectInto
-//line sql.y:7516
+//line sql.y:7536
 		{
 			yyLOCAL = &SelectInto{Type: IntoOutfile, FileName: encodeSQLString(yyDollar[3].str), Charset: yyDollar[4].columnCharset, FormatOption: "", ExportOption: yyDollar[5].str, Manifest: "", Overwrite: ""}
 		}
 		yyVAL.union = yyLOCAL
-	case 1530:
+	case 1535:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7521
+//line sql.y:7541
 		{
 			yyVAL.str = ""
 		}
-	case 1531:
+	case 1536:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7525
+//line sql.y:7545
 		{
 			yyVAL.str = " format csv" + yyDollar[3].str
 		}
-	case 1532:
+	case 1537:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7529
+//line sql.y:7549
 		{
 			yyVAL.str = " format text" + yyDollar[3].str
 		}
-	case 1533:
+	case 1538:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7534
+//line sql.y:7554
 		{
 			yyVAL.str = ""
 		}
-	case 1534:
+	case 1539:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7538
+//line sql.y:7558
 		{
 			yyVAL.str = " header"
 		}
-	case 1535:
+	case 1540:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7543
+//line sql.y:7563
 		{
 			yyVAL.str = ""
 		}
-	case 1536:
+	case 1541:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7547
+//line sql.y:7567
 		{
 			yyVAL.str = " manifest on"
 		}
-	case 1537:
+	case 1542:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7551
+//line sql.y:7571
 		{
 			yyVAL.str = " manifest off"
 		}
-	case 1538:
+	case 1543:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7556
+//line sql.y:7576
 		{
 			yyVAL.str = ""
 		}
-	case 1539:
+	case 1544:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7560
+//line sql.y:7580
 		{
 			yyVAL.str = " overwrite on"
 		}
-	case 1540:
+	case 1545:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7564
+//line sql.y:7584
 		{
 			yyVAL.str = " overwrite off"
 		}
-	case 1541:
+	case 1546:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7570
+//line sql.y:7590
 		{
 			yyVAL.str = yyDollar[1].str + yyDollar[2].str
 		}
-	case 1542:
+	case 1547:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7575
+//line sql.y:7595
 		{
 			yyVAL.str = ""
 		}
-	case 1543:
+	case 1548:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7579
+//line sql.y:7599
 		{
 			yyVAL.str = " lines" + yyDollar[2].str
 		}
-	case 1544:
+	case 1549:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7585
+//line sql.y:7605
 		{
 			yyVAL.str = yyDollar[1].str
 		}
-	case 1545:
+	case 1550:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7589
+//line sql.y:7609
 		{
 			yyVAL.str = yyDollar[1].str + yyDollar[2].str
 		}
-	case 1546:
+	case 1551:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7595
+//line sql.y:7615
 		{
 			yyVAL.str = " starting by " + encodeSQLString(yyDollar[3].str)
 		}
-	case 1547:
+	case 1552:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7599
+//line sql.y:7619
 		{
 			yyVAL.str = " terminated by " + encodeSQLString(yyDollar[3].str)
 		}
-	case 1548:
+	case 1553:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7604
+//line sql.y:7624
 		{
 			yyVAL.str = ""
 		}
-	case 1549:
+	case 1554:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7608
+//line sql.y:7628
 		{
 			yyVAL.str = " " + yyDollar[1].str + yyDollar[2].str
 		}
-	case 1550:
+	case 1555:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7614
+//line sql.y:7634
 		{
 			yyVAL.str = yyDollar[1].str
 		}
-	case 1551:
+	case 1556:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7618
+//line sql.y:7638
 		{
 			yyVAL.str = yyDollar[1].str + yyDollar[2].str
 		}
-	case 1552:
+	case 1557:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7624
+//line sql.y:7644
 		{
 			yyVAL.str = " terminated by " + encodeSQLString(yyDollar[3].str)
 		}
-	case 1553:
+	case 1558:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:7628
+//line sql.y:7648
 		{
 			yyVAL.str = yyDollar[1].str + " enclosed by " + encodeSQLString(yyDollar[4].str)
 		}
-	case 1554:
+	case 1559:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7632
+//line sql.y:7652
 		{
 			yyVAL.str = " escaped by " + encodeSQLString(yyDollar[3].str)
 		}
-	case 1555:
+	case 1560:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7637
+//line sql.y:7657
 		{
 			yyVAL.str = ""
 		}
-	case 1556:
+	case 1561:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7641
+//line sql.y:7661
 		{
 			yyVAL.str = " optionally"
 		}
-	case 1557:
+	case 1562:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		var yyLOCAL *Insert
-//line sql.y:7654
+//line sql.y:7674
 		{
 			yyLOCAL = &Insert{Rows: yyDollar[2].valuesUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1558:
+	case 1563:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL *Insert
-//line sql.y:7658
+//line sql.y:7678
 		{
 			yyLOCAL = &Insert{Rows: yyDollar[1].selStmtUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1559:
+	case 1564:
 		yyDollar = yyS[yypt-5 : yypt+1]
 		var yyLOCAL *Insert
-//line sql.y:7662
+//line sql.y:7682
 		{
 			yyLOCAL = &Insert{Columns: yyDollar[2].columnsUnion(), Rows: yyDollar[5].valuesUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1560:
+	case 1565:
 		yyDollar = yyS[yypt-4 : yypt+1]
 		var yyLOCAL *Insert
-//line sql.y:7666
+//line sql.y:7686
 		{
 			yyLOCAL = &Insert{Columns: []IdentifierCI{}, Rows: yyDollar[4].valuesUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1561:
+	case 1566:
 		yyDollar = yyS[yypt-4 : yypt+1]
 		var yyLOCAL *Insert
-//line sql.y:7670
+//line sql.y:7690
 		{
 			yyLOCAL = &Insert{Columns: yyDollar[2].columnsUnion(), Rows: yyDollar[4].selStmtUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1562:
+	case 1567:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Columns
-//line sql.y:7676
+//line sql.y:7696
 		{
 			yyLOCAL = Columns{yyDollar[1].identifierCI}
 		}
 		yyVAL.union = yyLOCAL
-	case 1563:
+	case 1568:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL Columns
-//line sql.y:7680
+//line sql.y:7700
 		{
 			yyLOCAL = Columns{yyDollar[3].identifierCI}
 		}
 		yyVAL.union = yyLOCAL
-	case 1564:
+	case 1569:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7684
+//line sql.y:7704
 		{
 			yySLICE := (*Columns)(yyIaddr(yyVAL.union))
 			*yySLICE = append(*yySLICE, yyDollar[3].identifierCI)
 		}
-	case 1565:
+	case 1570:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:7688
+//line sql.y:7708
 		{
 			yySLICE := (*Columns)(yyIaddr(yyVAL.union))
 			*yySLICE = append(*yySLICE, yyDollar[5].identifierCI)
 		}
-	case 1566:
+	case 1571:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL UpdateExprs
-//line sql.y:7693
+//line sql.y:7713
 		{
 			yyLOCAL = nil
 		}
 		yyVAL.union = yyLOCAL
-	case 1567:
+	case 1572:
 		yyDollar = yyS[yypt-5 : yypt+1]
 		var yyLOCAL UpdateExprs
-//line sql.y:7697
+//line sql.y:7717
 		{
 			yyLOCAL = yyDollar[5].updateExprsUnion()
 		}
 		yyVAL.union = yyLOCAL
-	case 1568:
+	case 1573:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Values
-//line sql.y:7703
+//line sql.y:7723
 		{
 			yyLOCAL = Values{yyDollar[1].valTupleUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1569:
+	case 1574:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7707
+//line sql.y:7727
 		{
 			yySLICE := (*Values)(yyIaddr(yyVAL.union))
 			*yySLICE = append(*yySLICE, yyDollar[3].valTupleUnion())
 		}
-	case 1570:
+	case 1575:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL ValTuple
-//line sql.y:7713
+//line sql.y:7733
 		{
 			yyLOCAL = yyDollar[1].valTupleUnion()
 		}
 		yyVAL.union = yyLOCAL
-	case 1571:
+	case 1576:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		var yyLOCAL ValTuple
-//line sql.y:7717
+//line sql.y:7737
 		{
 			yyLOCAL = ValTuple{}
 		}
 		yyVAL.union = yyLOCAL
-	case 1572:
+	case 1577:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL ValTuple
-//line sql.y:7723
+//line sql.y:7743
 		{
 			yyLOCAL = ValTuple(yyDollar[2].exprsUnion())
 		}
 		yyVAL.union = yyLOCAL
-	case 1573:
+	case 1578:
 		yyDollar = yyS[yypt-4 : yypt+1]
 		var yyLOCAL ValTuple
-//line sql.y:7727
+//line sql.y:7747
 		{
 			yyLOCAL = ValTuple(yyDollar[3].exprsUnion())
 		}
 		yyVAL.union = yyLOCAL
-	case 1574:
+	case 1579:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Expr
-//line sql.y:7732
+//line sql.y:7752
 		{
 			if len(yyDollar[1].valTupleUnion()) == 1 {
 				yyLOCAL = yyDollar[1].valTupleUnion()[0]
@@ -21782,300 +21840,300 @@ yydefault:
 			}
 		}
 		yyVAL.union = yyLOCAL
-	case 1575:
+	case 1580:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL UpdateExprs
-//line sql.y:7742
+//line sql.y:7762
 		{
 			yyLOCAL = UpdateExprs{yyDollar[1].updateExprUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1576:
+	case 1581:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:7746
+//line sql.y:7766
 		{
 			yySLICE := (*UpdateExprs)(yyIaddr(yyVAL.union))
 			*yySLICE = append(*yySLICE, yyDollar[3].updateExprUnion())
 		}
-	case 1577:
+	case 1582:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL *UpdateExpr
-//line sql.y:7752
+//line sql.y:7772
 		{
 			yyLOCAL = &UpdateExpr{Name: yyDollar[1].colNameUnion(), Expr: yyDollar[3].exprUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1579:
+	case 1584:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:7759
+//line sql.y:7779
 		{
 			yyVAL.str = "charset"
 		}
-	case 1582:
+	case 1587:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Expr
-//line sql.y:7769
+//line sql.y:7789
 		{
 			yyLOCAL = NewStrLiteral(yyDollar[1].identifierCI.String())
 		}
 		yyVAL.union = yyLOCAL
-	case 1583:
+	case 1588:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Expr
-//line sql.y:7773
+//line sql.y:7793
 		{
 			yyLOCAL = NewStrLiteral(yyDollar[1].str)
 		}
 		yyVAL.union = yyLOCAL
-	case 1584:
+	case 1589:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Expr
-//line sql.y:7777
+//line sql.y:7797
 		{
 			yyLOCAL = &Default{}
 		}
 		yyVAL.union = yyLOCAL
-	case 1587:
+	case 1592:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL bool
-//line sql.y:7786
+//line sql.y:7806
 		{
 			yyLOCAL = false
 		}
 		yyVAL.union = yyLOCAL
-	case 1588:
+	case 1593:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL bool
-//line sql.y:7788
+//line sql.y:7808
 		{
 			yyLOCAL = true
 		}
 		yyVAL.union = yyLOCAL
-	case 1589:
+	case 1594:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL bool
-//line sql.y:7791
+//line sql.y:7811
 		{
 			yyLOCAL = false
 		}
 		yyVAL.union = yyLOCAL
-	case 1590:
+	case 1595:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		var yyLOCAL bool
-//line sql.y:7793
+//line sql.y:7813
 		{
 			yyLOCAL = true
 		}
 		yyVAL.union = yyLOCAL
-	case 1591:
+	case 1596:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL bool
-//line sql.y:7796
+//line sql.y:7816
 		{
 			yyLOCAL = false
 		}
 		yyVAL.union = yyLOCAL
-	case 1592:
+	case 1597:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL bool
-//line sql.y:7798
+//line sql.y:7818
 		{
 			yyLOCAL = true
 		}
 		yyVAL.union = yyLOCAL
-	case 1593:
+	case 1598:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL Ignore
-//line sql.y:7801
+//line sql.y:7821
 		{
 			yyLOCAL = false
 		}
 		yyVAL.union = yyLOCAL
-	case 1594:
+	case 1599:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Ignore
-//line sql.y:7803
+//line sql.y:7823
 		{
 			yyLOCAL = true
 		}
 		yyVAL.union = yyLOCAL
-	case 1595:
+	case 1600:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7806
+//line sql.y:7826
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 1596:
+	case 1601:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7808
+//line sql.y:7828
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 1597:
+	case 1602:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7810
+//line sql.y:7830
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 1598:
+	case 1603:
 		yyDollar = yyS[yypt-5 : yypt+1]
 		var yyLOCAL Statement
-//line sql.y:7814
+//line sql.y:7834
 		{
 			yyLOCAL = &CallProc{Name: yyDollar[2].tableName, Params: yyDollar[4].exprsUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1599:
+	case 1604:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL Exprs
-//line sql.y:7819
+//line sql.y:7839
 		{
 			yyLOCAL = nil
 		}
 		yyVAL.union = yyLOCAL
-	case 1600:
+	case 1605:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL Exprs
-//line sql.y:7823
+//line sql.y:7843
 		{
 			yyLOCAL = yyDollar[1].exprsUnion()
 		}
 		yyVAL.union = yyLOCAL
-	case 1601:
+	case 1606:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL []*IndexOption
-//line sql.y:7828
+//line sql.y:7848
 		{
 			yyLOCAL = nil
 		}
 		yyVAL.union = yyLOCAL
-	case 1602:
+	case 1607:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL []*IndexOption
-//line sql.y:7830
+//line sql.y:7850
 		{
 			yyLOCAL = []*IndexOption{yyDollar[1].indexOptionUnion()}
 		}
 		yyVAL.union = yyLOCAL
-	case 1603:
+	case 1608:
 		yyDollar = yyS[yypt-2 : yypt+1]
 		var yyLOCAL *IndexOption
-//line sql.y:7834
+//line sql.y:7854
 		{
 			yyLOCAL = &IndexOption{Name: string(yyDollar[1].str), String: string(yyDollar[2].identifierCI.String())}
 		}
 		yyVAL.union = yyLOCAL
-	case 1604:
+	case 1609:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7840
+//line sql.y:7860
 		{
 			yyVAL.identifierCI = yyDollar[1].identifierCI
 		}
-	case 1605:
+	case 1610:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7844
+//line sql.y:7864
 		{
 			yyVAL.identifierCI = NewIdentifierCI(string(yyDollar[1].str))
 		}
-	case 1607:
+	case 1612:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7851
+//line sql.y:7871
 		{
 			yyVAL.identifierCI = NewIdentifierCI(string(yyDollar[1].str))
 		}
-	case 1608:
+	case 1613:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7857
+//line sql.y:7877
 		{
 			yyVAL.identifierCS = NewIdentifierCS(string(yyDollar[1].str))
 		}
-	case 1609:
+	case 1614:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7861
+//line sql.y:7881
 		{
 			yyVAL.identifierCS = NewIdentifierCS(string(yyDollar[1].str))
 		}
-	case 1610:
+	case 1615:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:7867
+//line sql.y:7887
 		{
 			yyVAL.identifierCS = NewIdentifierCS("")
 		}
-	case 1611:
+	case 1616:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7871
+//line sql.y:7891
 		{
 			yyVAL.identifierCS = yyDollar[1].identifierCS
 		}
-	case 1613:
+	case 1618:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:7878
+//line sql.y:7898
 		{
 			yyVAL.identifierCS = NewIdentifierCS(string(yyDollar[1].str))
 		}
-	case 1614:
+	case 1619:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		var yyLOCAL Statement
-//line sql.y:7884
+//line sql.y:7904
 		{
 			yyLOCAL = &Kill{Type: yyDollar[2].killTypeUnion(), ProcesslistID: convertStringToUInt64(yyDollar[3].str)}
 		}
 		yyVAL.union = yyLOCAL
-	case 1615:
+	case 1620:
 		yyDollar = yyS[yypt-0 : yypt+1]
 		var yyLOCAL KillType
-//line sql.y:7890
+//line sql.y:7910
 		{
 			yyLOCAL = ConnectionType
 		}
 		yyVAL.union = yyLOCAL
-	case 1616:
+	case 1621:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL KillType
-//line sql.y:7894
+//line sql.y:7914
 		{
 			yyLOCAL = ConnectionType
 		}
 		yyVAL.union = yyLOCAL
-	case 1617:
+	case 1622:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		var yyLOCAL KillType
-//line sql.y:7898
+//line sql.y:7918
 		{
 			yyLOCAL = QueryType
 		}
 		yyVAL.union = yyLOCAL
-	case 2232:
+	case 2237:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:8541
+//line sql.y:8561
 		{
 		}
-	case 2233:
+	case 2238:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:8546
+//line sql.y:8566
 		{
 		}
-	case 2234:
+	case 2239:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:8550
+//line sql.y:8570
 		{
 			skipToEnd(yylex)
 		}
-	case 2235:
+	case 2240:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:8555
+//line sql.y:8575
 		{
 			skipToEnd(yylex)
 		}
-	case 2236:
+	case 2241:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:8559
+//line sql.y:8579
 		{
 			skipToEnd(yylex)
 		}
-	case 2237:
+	case 2242:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:8563
+//line sql.y:8583
 		{
 			skipToEnd(yylex)
 		}
diff --git a/go/vt/sqlparser/sql.y b/go/vt/sqlparser/sql.y
index a3f7a2e1a82..38ad1b4237e 100644
--- a/go/vt/sqlparser/sql.y
+++ b/go/vt/sqlparser/sql.y
@@ -7498,6 +7498,26 @@ FOR UPDATE
   {
     $$ = ForUpdateLock
   }
+| FOR UPDATE NOWAIT
+  {
+    $$ = ForUpdateLockNoWait
+  }
+| FOR UPDATE SKIP LOCKED
+  {
+    $$ = ForUpdateLockSkipLocked
+  }
+| FOR SHARE
+  {
+    $$ = ForShareLock
+  }
+| FOR SHARE NOWAIT
+  {
+    $$ = ForShareLockNoWait
+  }
+| FOR SHARE SKIP LOCKED
+  {
+    $$ = ForShareLockSkipLocked
+  }
 | LOCK IN SHARE MODE
   {
     $$ = ShareModeLock
diff --git a/go/vt/sqlparser/testdata/union_cases.txt b/go/vt/sqlparser/testdata/union_cases.txt
index 8e2def0e04e..d5b620cb246 100644
--- a/go/vt/sqlparser/testdata/union_cases.txt
+++ b/go/vt/sqlparser/testdata/union_cases.txt
@@ -1004,7 +1004,7 @@ INPUT
 SELECT 1 FOR SHARE UNION SELECT 2;
 END
 ERROR
-syntax error at position 19 near 'SHARE'
+syntax error at position 25 near 'UNION'
 END
 INPUT
 SELECT ST_AsText(ST_Union(shore, boundary))  FROM lakes, named_places  WHERE lakes.name = 'Blue Lake'  AND named_places.name = 'Goose Island';

From ffd4555a0c45badc76308e434dce6171638ef150 Mon Sep 17 00:00:00 2001
From: David Piegza <697113+davidpiegza@users.noreply.github.com>
Date: Mon, 25 Sep 2023 10:53:31 +0000
Subject: [PATCH 02/19] Add shutdown state in MySQL server plugin

---
 go/mysql/conn.go                    |  5 +++++
 go/vt/vtgate/plugin_mysql_server.go | 11 ++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/go/mysql/conn.go b/go/mysql/conn.go
index 6f3643ebc7f..87959a03302 100644
--- a/go/mysql/conn.go
+++ b/go/mysql/conn.go
@@ -209,6 +209,7 @@ type Conn struct {
 	// cancel keep the cancel function for the current executing query.
 	// this is used by `kill [query|connection] ID` command from other connection.
 	cancel context.CancelFunc
+
 	// this is used to mark the connection to be closed so that the command phase for the connection can be stopped and
 	// the connection gets closed.
 	closing bool
@@ -1711,3 +1712,7 @@ func (c *Conn) IsMarkedForClose() bool {
 func GetTestConn() *Conn {
 	return newConn(testConn{})
 }
+
+func (c *Conn) IsShuttingDown() bool {
+	return c.listener.shutdown.Load()
+}
diff --git a/go/vt/vtgate/plugin_mysql_server.go b/go/vt/vtgate/plugin_mysql_server.go
index bfbb7b105f8..273592b5bf7 100644
--- a/go/vt/vtgate/plugin_mysql_server.go
+++ b/go/vt/vtgate/plugin_mysql_server.go
@@ -201,6 +201,12 @@ func startSpan(ctx context.Context, query, label string) (trace.Span, context.Co
 }
 
 func (vh *vtgateHandler) ComQuery(c *mysql.Conn, query string, callback func(*sqltypes.Result) error) error {
+	session := vh.session(c)
+	if c.IsShuttingDown() && !session.InTransaction {
+		c.MarkForClose()
+		return sqlerror.NewSQLError(sqlerror.ERServerShutdown, sqlerror.SSNetError, "Server shutdown in progress")
+	}
+
 	ctx, cancel := context.WithCancel(context.Background())
 	c.UpdateCancelCtx(cancel)
 
@@ -229,7 +235,6 @@ func (vh *vtgateHandler) ComQuery(c *mysql.Conn, query string, callback func(*sq
 		"VTGate MySQL Connector" /* subcomponent: part of the client */)
 	ctx = callerid.NewContext(ctx, ef, im)
 
-	session := vh.session(c)
 	if !session.InTransaction {
 		vh.busyConnections.Add(1)
 	}
@@ -614,11 +619,11 @@ func newMysqlUnixSocket(address string, authServer mysql.AuthServer, handler mys
 
 func (srv *mysqlServer) shutdownMysqlProtocolAndDrain() {
 	if srv.tcpListener != nil {
-		srv.tcpListener.Close()
+		srv.tcpListener.Shutdown()
 		srv.tcpListener = nil
 	}
 	if srv.unixListener != nil {
-		srv.unixListener.Close()
+		srv.unixListener.Shutdown()
 		srv.unixListener = nil
 	}
 	if srv.sigChan != nil {

From 85e0bb38e693231a2095c4b68a79474a87e579b8 Mon Sep 17 00:00:00 2001
From: Arthur Schreiber <arthurschreiber@github.com>
Date: Mon, 19 Feb 2024 10:25:55 +0000
Subject: [PATCH 03/19] Expose the `--tablet_types_to_wait` flag in `vtcombo`.

Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 go/cmd/vtcombo/cli/main.go    | 30 ++++++++++++++++++++++--------
 go/flags/endtoend/vtcombo.txt |  1 +
 2 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/go/cmd/vtcombo/cli/main.go b/go/cmd/vtcombo/cli/main.go
index b272b4c56f1..a1cdbb00c7a 100644
--- a/go/cmd/vtcombo/cli/main.go
+++ b/go/cmd/vtcombo/cli/main.go
@@ -40,6 +40,7 @@ import (
 	"vitess.io/vitess/go/vt/srvtopo"
 	"vitess.io/vitess/go/vt/topo"
 	"vitess.io/vitess/go/vt/topo/memorytopo"
+	"vitess.io/vitess/go/vt/topo/topoproto"
 	"vitess.io/vitess/go/vt/topotools"
 	"vitess.io/vitess/go/vt/vtcombo"
 	"vitess.io/vitess/go/vt/vtctld"
@@ -76,9 +77,10 @@ In particular, it contains:
 	plannerName           string
 	vschemaPersistenceDir string
 
-	tpb             vttestpb.VTTestTopology
-	ts              *topo.Server
-	resilientServer *srvtopo.ResilientServer
+	tpb               vttestpb.VTTestTopology
+	ts                *topo.Server
+	resilientServer   *srvtopo.ResilientServer
+	tabletTypesToWait []topodatapb.TabletType
 )
 
 func init() {
@@ -110,6 +112,7 @@ func init() {
 
 	Main.Flags().Var(vttest.TextTopoData(&tpb), "proto_topo", "vttest proto definition of the topology, encoded in compact text format. See vttest.proto for more information.")
 	Main.Flags().Var(vttest.JSONTopoData(&tpb), "json_topo", "vttest proto definition of the topology, encoded in json format. See vttest.proto for more information.")
+	Main.Flags().Var((*topoproto.TabletTypeListFlag)(&tabletTypesToWait), "tablet_types_to_wait", "Wait till connected for specified tablet types during Gateway initialization. Should be provided as a comma-separated set of tablet types.")
 
 	// We're going to force the value later, so don't even bother letting the
 	// user know about this flag.
@@ -273,18 +276,29 @@ func run(cmd *cobra.Command, args []string) (err error) {
 
 	// vtgate configuration and init
 	resilientServer = srvtopo.NewResilientServer(context.Background(), ts, "ResilientSrvTopoServer")
-	tabletTypesToWait := []topodatapb.TabletType{
-		topodatapb.TabletType_PRIMARY,
-		topodatapb.TabletType_REPLICA,
-		topodatapb.TabletType_RDONLY,
+
+	tabletTypes := make([]topodatapb.TabletType, 0, 1)
+	if len(tabletTypesToWait) != 0 {
+		for _, tt := range tabletTypesToWait {
+			if topoproto.IsServingType(tt) {
+				tabletTypes = append(tabletTypes, tt)
+			}
+		}
+
+		if len(tabletTypes) == 0 {
+			log.Exitf("tablet_types_to_wait should contain at least one serving tablet type")
+		}
+	} else {
+		tabletTypes = append(tabletTypes, topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA, topodatapb.TabletType_RDONLY)
 	}
+
 	plannerVersion, _ := plancontext.PlannerNameToVersion(plannerName)
 
 	vtgate.QueryLogHandler = "/debug/vtgate/querylog"
 	vtgate.QueryLogzHandler = "/debug/vtgate/querylogz"
 	vtgate.QueryzHandler = "/debug/vtgate/queryz"
 	// pass nil for healthcheck, it will get created
-	vtg := vtgate.Init(context.Background(), nil, resilientServer, tpb.Cells[0], tabletTypesToWait, plannerVersion)
+	vtg := vtgate.Init(context.Background(), nil, resilientServer, tpb.Cells[0], tabletTypes, plannerVersion)
 
 	// vtctld configuration and init
 	err = vtctld.InitVtctld(ts)
diff --git a/go/flags/endtoend/vtcombo.txt b/go/flags/endtoend/vtcombo.txt
index 4b08848b9f6..e627760fa46 100644
--- a/go/flags/endtoend/vtcombo.txt
+++ b/go/flags/endtoend/vtcombo.txt
@@ -348,6 +348,7 @@ Flags:
       --tablet_manager_protocol string                                   Protocol to use to make tabletmanager RPCs to vttablets. (default "grpc")
       --tablet_refresh_interval duration                                 Tablet refresh interval. (default 1m0s)
       --tablet_refresh_known_tablets                                     Whether to reload the tablet's address/port map from topo in case they change. (default true)
+      --tablet_types_to_wait strings                                     Wait till connected for specified tablet types during Gateway initialization. Should be provided as a comma-separated set of tablet types.
       --tablet_url_template string                                       Format string describing debug tablet url formatting. See getTabletDebugURL() for how to customize this. (default "http://{{ "{{.GetTabletHostPort}}" }}")
       --throttle_tablet_types string                                     Comma separated VTTablet types to be considered by the throttler. default: 'replica'. example: 'replica,rdonly'. 'replica' aways implicitly included (default "replica")
       --topo_consul_lock_delay duration                                  LockDelay for consul session. (default 15s)

From 856c2993337d033cdeb1513657973c6b9b341b05 Mon Sep 17 00:00:00 2001
From: Andy Edison <andyedison@github.com>
Date: Mon, 26 Aug 2024 16:21:27 -0500
Subject: [PATCH 04/19] Add hotfix to make vitess compile under go 1.23

---
 tools/build_version_flags.sh | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/tools/build_version_flags.sh b/tools/build_version_flags.sh
index fc1733f767d..6dd030e5b9c 100755
--- a/tools/build_version_flags.sh
+++ b/tools/build_version_flags.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 
 # Copyright 2019 The Vitess Authors.
-# 
+#
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -25,11 +25,24 @@ DEFAULT_BUILD_GIT_REV=$(git rev-parse HEAD)
 DEFAULT_BUILD_GIT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
 DEFAULT_BUILD_TIME=$(LC_ALL=C date)
 
-echo "\
+GO_MINOR_VER=$(go version | cut -d ' ' -f 3 | cut -d '.' -f 2)
+if [[ $((GO_MINOR_VER)) -ge 23 ]]; then
+  echo "\
   -X 'vitess.io/vitess/go/vt/servenv.buildHost=$(hostname)' \
   -X 'vitess.io/vitess/go/vt/servenv.buildUser=$(whoami)' \
   -X 'vitess.io/vitess/go/vt/servenv.buildGitRev=${BUILD_GIT_REV:-$DEFAULT_BUILD_GIT_REV}' \
   -X 'vitess.io/vitess/go/vt/servenv.buildGitBranch=${BUILD_GIT_BRANCH:-$DEFAULT_BUILD_GIT_BRANCH}' \
   -X 'vitess.io/vitess/go/vt/servenv.buildTime=${BUILD_TIME:-$DEFAULT_BUILD_TIME}' \
   -X 'vitess.io/vitess/go/vt/servenv.jenkinsBuildNumberStr=${BUILD_NUMBER}' \
-"
+  -checklinkname=0
+  "
+else
+  echo "\
+  -X 'vitess.io/vitess/go/vt/servenv.buildHost=$(hostname)' \
+  -X 'vitess.io/vitess/go/vt/servenv.buildUser=$(whoami)' \
+  -X 'vitess.io/vitess/go/vt/servenv.buildGitRev=${BUILD_GIT_REV:-$DEFAULT_BUILD_GIT_REV}' \
+  -X 'vitess.io/vitess/go/vt/servenv.buildGitBranch=${BUILD_GIT_BRANCH:-$DEFAULT_BUILD_GIT_BRANCH}' \
+  -X 'vitess.io/vitess/go/vt/servenv.buildTime=${BUILD_TIME:-$DEFAULT_BUILD_TIME}' \
+  -X 'vitess.io/vitess/go/vt/servenv.jenkinsBuildNumberStr=${BUILD_NUMBER}' \
+  "
+fi
\ No newline at end of file

From 7792591d99527f06c3b94353a2625d5e9024fade Mon Sep 17 00:00:00 2001
From: Arthur Schreiber <arthurschreiber@github.com>
Date: Wed, 9 Oct 2024 21:45:25 +0000
Subject: [PATCH 05/19] Only run on larger runners when running inside the
 `vitessio` organization.

Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 .github/workflows/cluster_endtoend_onlineddl_vrepl.yml      | 2 +-
 .../workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml  | 2 +-
 .../workflows/cluster_endtoend_onlineddl_vrepl_stress.yml   | 2 +-
 .../cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml     | 2 +-
 .../cluster_endtoend_onlineddl_vrepl_stress_suite.yml       | 2 +-
 ...luster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml | 2 +-
 .../workflows/cluster_endtoend_onlineddl_vrepl_suite.yml    | 2 +-
 .../cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml      | 2 +-
 .github/workflows/cluster_endtoend_vreplication_basic.yml   | 2 +-
 ...ster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml | 2 +-
 .github/workflows/docker_build_base.yml                     | 6 +++---
 .github/workflows/docker_build_lite.yml                     | 4 ++--
 .github/workflows/docker_build_vttestserver.yml             | 4 ++--
 .github/workflows/local_example.yml                         | 4 ++--
 .github/workflows/region_example.yml                        | 2 +-
 .github/workflows/unit_race.yml                             | 2 +-
 .github/workflows/upgrade_downgrade_test_backups_e2e.yml    | 2 +-
 .../upgrade_downgrade_test_backups_e2e_next_release.yml     | 2 +-
 .github/workflows/upgrade_downgrade_test_backups_manual.yml | 2 +-
 .../upgrade_downgrade_test_backups_manual_next_release.yml  | 2 +-
 .../upgrade_downgrade_test_query_serving_queries.yml        | 2 +-
 ...de_downgrade_test_query_serving_queries_next_release.yml | 2 +-
 .../upgrade_downgrade_test_query_serving_schema.yml         | 2 +-
 ...ade_downgrade_test_query_serving_schema_next_release.yml | 2 +-
 .../workflows/upgrade_downgrade_test_reparent_new_vtctl.yml | 2 +-
 .../upgrade_downgrade_test_reparent_new_vttablet.yml        | 2 +-
 .../workflows/upgrade_downgrade_test_reparent_old_vtctl.yml | 2 +-
 .../upgrade_downgrade_test_reparent_old_vttablet.yml        | 2 +-
 test/templates/cluster_endtoend_test.tpl                    | 2 +-
 test/templates/cluster_endtoend_test_docker.tpl             | 2 +-
 test/templates/cluster_endtoend_test_mysql57.tpl            | 2 +-
 31 files changed, 36 insertions(+), 36 deletions(-)

diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
index d144eeda62e..842715c2b2d 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml
index f64534d26cc..4c90c98bc64 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
index 25d265a314b..e1e25249602 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml
index a790b117642..5accfd8c658 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml
index db4589fe0f3..254b4be00ba 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress_suite)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml
index edaf62b9a75..edd5d667586 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress_suite) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml
index 9c11bf06f9a..34360fe61b0 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_suite)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml
index 3592da0740b..9f958ddd59c 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_suite) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_vreplication_basic.yml b/.github/workflows/cluster_endtoend_vreplication_basic.yml
index 0b1cca32b0e..759eb74cedd 100644
--- a/.github/workflows/cluster_endtoend_vreplication_basic.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_basic.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (vreplication_basic)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml b/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml
index 72f5d4fc57d..ed1329c9cca 100644
--- a/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (vreplication_migrate_vdiff2_convert_tz)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/docker_build_base.yml b/.github/workflows/docker_build_base.yml
index e40a029125a..adf4a4b5678 100644
--- a/.github/workflows/docker_build_base.yml
+++ b/.github/workflows/docker_build_base.yml
@@ -15,7 +15,7 @@ permissions: read-all
 jobs:
   build_and_push_base:
     name: Build and push vitess/base Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -77,7 +77,7 @@ jobs:
   build_and_push_k8s:
     needs: build_and_push_base
     name: Build and push vitess/k8s image
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -170,7 +170,7 @@ jobs:
   build_and_push_components:
     needs: build_and_push_k8s
     name: Build and push vitess components Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
diff --git a/.github/workflows/docker_build_lite.yml b/.github/workflows/docker_build_lite.yml
index 80cc888239b..4eedce1c966 100644
--- a/.github/workflows/docker_build_lite.yml
+++ b/.github/workflows/docker_build_lite.yml
@@ -15,7 +15,7 @@ permissions: read-all
 jobs:
   build_and_push:
     name: Build and push vitess/lite Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -70,4 +70,4 @@ jobs:
           context: .
           file: ${{ env.DOCKERFILE }}
           push: true
-          tags: ${{ env.DOCKER_TAG }}
\ No newline at end of file
+          tags: ${{ env.DOCKER_TAG }}
diff --git a/.github/workflows/docker_build_vttestserver.yml b/.github/workflows/docker_build_vttestserver.yml
index 927e55be3e0..08089eb6073 100644
--- a/.github/workflows/docker_build_vttestserver.yml
+++ b/.github/workflows/docker_build_vttestserver.yml
@@ -15,7 +15,7 @@ permissions: read-all
 jobs:
   build_and_push:
     name: Build and push vitess/vttestserver Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -62,4 +62,4 @@ jobs:
           context: .
           file: ${{ env.DOCKERFILE }}
           push: true
-          tags: ${{ env.DOCKER_TAG }}
\ No newline at end of file
+          tags: ${{ env.DOCKER_TAG }}
diff --git a/.github/workflows/local_example.yml b/.github/workflows/local_example.yml
index d7ae2071b58..ccdb06eed62 100644
--- a/.github/workflows/local_example.yml
+++ b/.github/workflows/local_example.yml
@@ -5,7 +5,7 @@ jobs:
 
   build:
     name: Local example using ${{ matrix.topo }} on ubuntu-22.04
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     strategy:
       matrix:
         topo: [consul,etcd,zk2]
@@ -81,7 +81,7 @@ jobs:
           echo mysql-apt-config mysql-apt-config/select-server select mysql-8.0 | sudo debconf-set-selections
           sudo DEBIAN_FRONTEND="noninteractive" dpkg -i mysql-apt-config*
           sudo apt-get update
-        
+
           # Install everything else we need, and configure
           sudo apt-get install -y mysql-server mysql-client make unzip g++ etcd curl git wget eatmydata
           sudo service mysql stop
diff --git a/.github/workflows/region_example.yml b/.github/workflows/region_example.yml
index 2b425e3e672..579f6d1bfe8 100644
--- a/.github/workflows/region_example.yml
+++ b/.github/workflows/region_example.yml
@@ -5,7 +5,7 @@ jobs:
 
   build:
     name: Region Sharding example using ${{ matrix.topo }} on ubuntu-22.04
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     strategy:
       matrix:
         topo: [etcd]
diff --git a/.github/workflows/unit_race.yml b/.github/workflows/unit_race.yml
index dd47df3277e..8ccc70d345b 100644
--- a/.github/workflows/unit_race.yml
+++ b/.github/workflows/unit_race.yml
@@ -10,7 +10,7 @@ jobs:
 
   build:
     name: Unit Test (Race)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     steps:
     - name: Skip CI
       run: |
diff --git a/.github/workflows/upgrade_downgrade_test_backups_e2e.yml b/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
index 4b9e4519a9e..2651d0f6360 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
@@ -13,7 +13,7 @@ jobs:
   upgrade_downgrade_test_e2e:
     timeout-minutes: 60
     name: Run Upgrade Downgrade Test - Backups - E2E
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml b/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml
index f186b7a1476..8342baf9622 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml
@@ -14,7 +14,7 @@ jobs:
   upgrade_downgrade_test_e2e:
     timeout-minutes: 60
     name: Run Upgrade Downgrade Test - Backups - E2E - Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_backups_manual.yml b/.github/workflows/upgrade_downgrade_test_backups_manual.yml
index 2058aacdcab..3cd21f5ca73 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_manual.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_manual.yml
@@ -15,7 +15,7 @@ jobs:
   upgrade_downgrade_test_manual:
     timeout-minutes: 40
     name: Run Upgrade Downgrade Test - Backups - Manual
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml b/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml
index 1df8cd75a04..b78bf42927f 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml
@@ -15,7 +15,7 @@ jobs:
   upgrade_downgrade_test_manual:
     timeout-minutes: 40
     name: Run Upgrade Downgrade Test - Backups - Manual - Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml b/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml
index 90963a57dc0..03436980024 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Queries)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml b/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml
index 719a33ed6fb..05685f47306 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Queries) Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml b/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml
index aa7c5ae0e08..b28bb06ed8d 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Schema)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml b/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml
index 67fe892d7c2..267e1552054 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Schema) Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml b/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml
index 20dad7e25f4..9bd76120b66 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent New Vtctl
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml b/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml
index a19ad261ab6..85e9414b707 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent New VTTablet
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml b/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml
index 48e7e22f45e..f810c40f001 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent Old Vtctl
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml b/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml
index cf164d5d21e..0e80df141f0 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent Old VTTablet
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/test/templates/cluster_endtoend_test.tpl b/test/templates/cluster_endtoend_test.tpl
index c75c4a2e3be..4cf1de137a4 100644
--- a/test/templates/cluster_endtoend_test.tpl
+++ b/test/templates/cluster_endtoend_test.tpl
@@ -14,7 +14,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on {{.Name}}
-    runs-on: {{if .Cores16}}gh-hosted-runners-16cores-1{{else}}ubuntu-latest{{end}}
+    runs-on: {{if .Cores16}}{{`${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}`}}{{else}}ubuntu-latest{{end}}
 
     steps:
     - name: Skip CI
diff --git a/test/templates/cluster_endtoend_test_docker.tpl b/test/templates/cluster_endtoend_test_docker.tpl
index 7aad29d3c52..c0c0de70310 100644
--- a/test/templates/cluster_endtoend_test_docker.tpl
+++ b/test/templates/cluster_endtoend_test_docker.tpl
@@ -6,7 +6,7 @@ permissions: read-all
 jobs:
   build:
     name: Run endtoend tests on {{.Name}}
-    runs-on: {{if .Cores16}}gh-hosted-runners-16cores-1{{else}}ubuntu-latest{{end}}
+    runs-on: {{if .Cores16}}{{`${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}`}}{{else}}ubuntu-latest{{end}}
 
     steps:
     - name: Skip CI
diff --git a/test/templates/cluster_endtoend_test_mysql57.tpl b/test/templates/cluster_endtoend_test_mysql57.tpl
index eafa108c732..b04bd6f2be6 100644
--- a/test/templates/cluster_endtoend_test_mysql57.tpl
+++ b/test/templates/cluster_endtoend_test_mysql57.tpl
@@ -19,7 +19,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on {{.Name}}
-    runs-on: {{if .Cores16}}gh-hosted-runners-16cores-1{{else}}ubuntu-latest{{end}}
+    runs-on: {{if .Cores16}}{{`${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}`}}{{else}}ubuntu-latest{{end}}
 
     steps:
     - name: Skip CI

From 3cfefd48a757cf0c5c6fa289556348d2d832fdb8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vicent=20Mart=C3=AD?= <42793+vmg@users.noreply.github.com>
Date: Mon, 25 Mar 2024 10:12:32 +0100
Subject: [PATCH 06/19] logstats: do not allocate memory while logging (#15539)

Signed-off-by: Vicent Marti <vmg@strn.cat>
---
 go/logstats/logger.go                         | 217 ++++++++++++++++++
 go/vt/vtgate/logstats/logstats.go             | 122 +++++-----
 go/vt/vtgate/logstats/logstats_test.go        |  17 +-
 go/vt/vttablet/filelogger/filelogger_test.go  |   2 +-
 .../sysloglogger/sysloglogger_test.go         |   2 +-
 .../tabletserver/tabletenv/logstats.go        | 106 +++++----
 .../tabletserver/tabletenv/logstats_test.go   |   8 +-
 7 files changed, 343 insertions(+), 131 deletions(-)
 create mode 100644 go/logstats/logger.go

diff --git a/go/logstats/logger.go b/go/logstats/logger.go
new file mode 100644
index 00000000000..90e208e7703
--- /dev/null
+++ b/go/logstats/logger.go
@@ -0,0 +1,217 @@
+/*
+Copyright 2024 The Vitess Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package logstats
+
+import (
+	"io"
+	"slices"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"vitess.io/vitess/go/hack"
+	"vitess.io/vitess/go/sqltypes"
+	querypb "vitess.io/vitess/go/vt/proto/query"
+)
+
+type logbv struct {
+	Name string
+	BVar *querypb.BindVariable
+}
+
+// Logger is a zero-allocation logger for logstats.
+// It can output logs as JSON or as plaintext, following the commonly used
+// logstats format that is shared between the tablets and the gates.
+type Logger struct {
+	b     []byte
+	bvars []logbv
+	n     int
+	json  bool
+}
+
+func sortBVars(sorted []logbv, bvars map[string]*querypb.BindVariable) []logbv {
+	for k, bv := range bvars {
+		sorted = append(sorted, logbv{k, bv})
+	}
+	slices.SortFunc(sorted, func(a, b logbv) int {
+		return strings.Compare(a.Name, b.Name)
+	})
+	return sorted
+}
+
+func (log *Logger) appendBVarsJSON(b []byte, bvars map[string]*querypb.BindVariable, full bool) []byte {
+	log.bvars = sortBVars(log.bvars[:0], bvars)
+
+	b = append(b, '{')
+	for i, bv := range log.bvars {
+		if i > 0 {
+			b = append(b, ',', ' ')
+		}
+		b = strconv.AppendQuote(b, bv.Name)
+		b = append(b, `: {"type": `...)
+		b = strconv.AppendQuote(b, querypb.Type_name[int32(bv.BVar.Type)])
+		b = append(b, `, "value": `...)
+
+		if sqltypes.IsIntegral(bv.BVar.Type) || sqltypes.IsFloat(bv.BVar.Type) {
+			b = append(b, bv.BVar.Value...)
+		} else if bv.BVar.Type == sqltypes.Tuple {
+			b = append(b, '"')
+			b = strconv.AppendInt(b, int64(len(bv.BVar.Values)), 10)
+			b = append(b, ` items"`...)
+		} else {
+			if full {
+				b = strconv.AppendQuote(b, hack.String(bv.BVar.Value))
+			} else {
+				b = append(b, '"')
+				b = strconv.AppendInt(b, int64(len(bv.BVar.Values)), 10)
+				b = append(b, ` bytes"`...)
+			}
+		}
+		b = append(b, '}')
+	}
+	return append(b, '}')
+}
+
+func (log *Logger) Init(json bool) {
+	log.n = 0
+	log.json = json
+	if log.json {
+		log.b = append(log.b, '{')
+	}
+}
+
+func (log *Logger) Redacted() {
+	log.String("[REDACTED]")
+}
+
+func (log *Logger) Key(key string) {
+	if log.json {
+		if log.n > 0 {
+			log.b = append(log.b, ',', ' ')
+		}
+		log.b = append(log.b, '"')
+		log.b = append(log.b, key...)
+		log.b = append(log.b, '"', ':', ' ')
+	} else {
+		if log.n > 0 {
+			log.b = append(log.b, '\t')
+		}
+	}
+	log.n++
+}
+
+func (log *Logger) StringUnquoted(value string) {
+	if log.json {
+		log.b = strconv.AppendQuote(log.b, value)
+	} else {
+		log.b = append(log.b, value...)
+	}
+}
+
+func (log *Logger) TabTerminated() {
+	if !log.json {
+		log.b = append(log.b, '\t')
+	}
+}
+
+func (log *Logger) String(value string) {
+	log.b = strconv.AppendQuote(log.b, value)
+}
+
+func (log *Logger) StringSingleQuoted(value string) {
+	if log.json {
+		log.b = strconv.AppendQuote(log.b, value)
+	} else {
+		log.b = append(log.b, '\'')
+		log.b = append(log.b, value...)
+		log.b = append(log.b, '\'')
+	}
+}
+
+func (log *Logger) Time(t time.Time) {
+	const timeFormat = "2006-01-02 15:04:05.000000"
+	if log.json {
+		log.b = append(log.b, '"')
+		log.b = t.AppendFormat(log.b, timeFormat)
+		log.b = append(log.b, '"')
+	} else {
+		log.b = t.AppendFormat(log.b, timeFormat)
+	}
+}
+
+func (log *Logger) Duration(t time.Duration) {
+	log.b = strconv.AppendFloat(log.b, t.Seconds(), 'f', 6, 64)
+}
+
+func (log *Logger) BindVariables(bvars map[string]*querypb.BindVariable, full bool) {
+	// the bind variables are printed as JSON in text mode because the original
+	// printing syntax, which was simply `fmt.Sprintf("%v")`, is not stable or
+	// safe to parse
+	log.b = log.appendBVarsJSON(log.b, bvars, full)
+}
+
+func (log *Logger) Int(i int64) {
+	log.b = strconv.AppendInt(log.b, i, 10)
+}
+
+func (log *Logger) Uint(u uint64) {
+	log.b = strconv.AppendUint(log.b, u, 10)
+}
+
+func (log *Logger) Bool(b bool) {
+	log.b = strconv.AppendBool(log.b, b)
+}
+
+func (log *Logger) Strings(strs []string) {
+	log.b = append(log.b, '[')
+	for i, t := range strs {
+		if i > 0 {
+			log.b = append(log.b, ',')
+		}
+		log.b = strconv.AppendQuote(log.b, t)
+	}
+	log.b = append(log.b, ']')
+}
+
+func (log *Logger) Flush(w io.Writer) (err error) {
+	if log.json {
+		log.b = append(log.b, '}')
+	}
+	log.b = append(log.b, '\n')
+	_, err = w.Write(log.b)
+
+	clear(log.bvars)
+	log.bvars = log.bvars[:0]
+	log.b = log.b[:0]
+	log.n = 0
+
+	loggerPool.Put(log)
+	return err
+}
+
+var loggerPool = sync.Pool{New: func() any {
+	return &Logger{}
+}}
+
+// NewLogger returns a new Logger instance to perform logstats logging.
+// The logger must be initialized with (*Logger).Init before usage and
+// flushed with (*Logger).Flush once all the key-values have been written
+// to it.
+func NewLogger() *Logger {
+	return loggerPool.Get().(*Logger)
+}
diff --git a/go/vt/vtgate/logstats/logstats.go b/go/vt/vtgate/logstats/logstats.go
index 5ea7820a72e..8f8ba41e3cd 100644
--- a/go/vt/vtgate/logstats/logstats.go
+++ b/go/vt/vtgate/logstats/logstats.go
@@ -18,21 +18,16 @@ package logstats
 
 import (
 	"context"
-	"encoding/json"
-	"fmt"
 	"io"
 	"net/url"
 	"time"
 
 	"github.com/google/safehtml"
 
-	"vitess.io/vitess/go/sqltypes"
+	"vitess.io/vitess/go/logstats"
 	"vitess.io/vitess/go/streamlog"
-	"vitess.io/vitess/go/tb"
 	"vitess.io/vitess/go/vt/callerid"
 	"vitess.io/vitess/go/vt/callinfo"
-	"vitess.io/vitess/go/vt/log"
-
 	querypb "vitess.io/vitess/go/vt/proto/query"
 )
 
@@ -128,69 +123,60 @@ func (stats *LogStats) Logf(w io.Writer, params url.Values) error {
 		return nil
 	}
 
-	// FormatBindVariables call might panic so we're going to catch it here
-	// and print out the stack trace for debugging.
-	defer func() {
-		if x := recover(); x != nil {
-			log.Errorf("Uncaught panic:\n%v\n%s", x, tb.Stack(4))
-		}
-	}()
-
-	formattedBindVars := "\"[REDACTED]\""
-	if !streamlog.GetRedactDebugUIQueries() {
-		_, fullBindParams := params["full"]
-		formattedBindVars = sqltypes.FormatBindVariables(
-			stats.BindVariables,
-			fullBindParams,
-			streamlog.GetQueryLogFormat() == streamlog.QueryLogFormatJSON,
-		)
-	}
-
-	// TODO: remove username here we fully enforce immediate caller id
+	redacted := streamlog.GetRedactDebugUIQueries()
+	_, fullBindParams := params["full"]
 	remoteAddr, username := stats.RemoteAddrUsername()
 
-	var fmtString string
-	switch streamlog.GetQueryLogFormat() {
-	case streamlog.QueryLogFormatText:
-		fmtString = "%v\t%v\t%v\t'%v'\t'%v'\t%v\t%v\t%.6f\t%.6f\t%.6f\t%.6f\t%v\t%q\t%v\t%v\t%v\t%q\t%q\t%q\t%v\t%v\t%q\n"
-	case streamlog.QueryLogFormatJSON:
-		fmtString = "{\"Method\": %q, \"RemoteAddr\": %q, \"Username\": %q, \"ImmediateCaller\": %q, \"Effective Caller\": %q, \"Start\": \"%v\", \"End\": \"%v\", \"TotalTime\": %.6f, \"PlanTime\": %v, \"ExecuteTime\": %v, \"CommitTime\": %v, \"StmtType\": %q, \"SQL\": %q, \"BindVars\": %v, \"ShardQueries\": %v, \"RowsAffected\": %v, \"Error\": %q, \"TabletType\": %q, \"SessionUUID\": %q, \"Cached Plan\": %v, \"TablesUsed\": %v, \"ActiveKeyspace\": %q}\n"
-	}
-
-	tables := stats.TablesUsed
-	if tables == nil {
-		tables = []string{}
-	}
-	tablesUsed, marshalErr := json.Marshal(tables)
-	if marshalErr != nil {
-		return marshalErr
+	log := logstats.NewLogger()
+	log.Init(streamlog.GetQueryLogFormat() == streamlog.QueryLogFormatJSON)
+	log.Key("Method")
+	log.StringUnquoted(stats.Method)
+	log.Key("RemoteAddr")
+	log.StringUnquoted(remoteAddr)
+	log.Key("Username")
+	log.StringUnquoted(username)
+	log.Key("ImmediateCaller")
+	log.StringSingleQuoted(stats.ImmediateCaller())
+	log.Key("Effective Caller")
+	log.StringSingleQuoted(stats.EffectiveCaller())
+	log.Key("Start")
+	log.Time(stats.StartTime)
+	log.Key("End")
+	log.Time(stats.EndTime)
+	log.Key("TotalTime")
+	log.Duration(stats.TotalTime())
+	log.Key("PlanTime")
+	log.Duration(stats.PlanTime)
+	log.Key("ExecuteTime")
+	log.Duration(stats.ExecuteTime)
+	log.Key("CommitTime")
+	log.Duration(stats.CommitTime)
+	log.Key("StmtType")
+	log.StringUnquoted(stats.StmtType)
+	log.Key("SQL")
+	log.String(stats.SQL)
+	log.Key("BindVars")
+	if redacted {
+		log.Redacted()
+	} else {
+		log.BindVariables(stats.BindVariables, fullBindParams)
 	}
-	_, err := fmt.Fprintf(
-		w,
-		fmtString,
-		stats.Method,
-		remoteAddr,
-		username,
-		stats.ImmediateCaller(),
-		stats.EffectiveCaller(),
-		stats.StartTime.Format("2006-01-02 15:04:05.000000"),
-		stats.EndTime.Format("2006-01-02 15:04:05.000000"),
-		stats.TotalTime().Seconds(),
-		stats.PlanTime.Seconds(),
-		stats.ExecuteTime.Seconds(),
-		stats.CommitTime.Seconds(),
-		stats.StmtType,
-		stats.SQL,
-		formattedBindVars,
-		stats.ShardQueries,
-		stats.RowsAffected,
-		stats.ErrorStr(),
-		stats.TabletType,
-		stats.SessionUUID,
-		stats.CachedPlan,
-		string(tablesUsed),
-		stats.ActiveKeyspace,
-	)
-
-	return err
+	log.Key("ShardQueries")
+	log.Uint(stats.ShardQueries)
+	log.Key("RowsAffected")
+	log.Uint(stats.RowsAffected)
+	log.Key("Error")
+	log.String(stats.ErrorStr())
+	log.Key("TabletType")
+	log.String(stats.TabletType)
+	log.Key("SessionUUID")
+	log.String(stats.SessionUUID)
+	log.Key("Cached Plan")
+	log.Bool(stats.CachedPlan)
+	log.Key("TablesUsed")
+	log.Strings(stats.TablesUsed)
+	log.Key("ActiveKeyspace")
+	log.String(stats.ActiveKeyspace)
+
+	return log.Flush(w)
 }
diff --git a/go/vt/vtgate/logstats/logstats_test.go b/go/vt/vtgate/logstats/logstats_test.go
index dbe49b200b8..ae3c01e0f0b 100644
--- a/go/vt/vtgate/logstats/logstats_test.go
+++ b/go/vt/vtgate/logstats/logstats_test.go
@@ -79,7 +79,7 @@ func TestLogStatsFormat(t *testing.T) {
 		{ // 0
 			redact:   false,
 			format:   "text",
-			expected: "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1\"\tmap[intVal:type:INT64 value:\"1\"]\t0\t0\t\"\"\t\"PRIMARY\"\t\"suuid\"\tfalse\t[\"ks1.tbl1\",\"ks2.tbl2\"]\t\"db\"\n",
+			expected: "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t0\t0\t\"\"\t\"PRIMARY\"\t\"suuid\"\tfalse\t[\"ks1.tbl1\",\"ks2.tbl2\"]\t\"db\"\n",
 			bindVars: intBindVar,
 		}, { // 1
 			redact:   true,
@@ -99,7 +99,7 @@ func TestLogStatsFormat(t *testing.T) {
 		}, { // 4
 			redact:   false,
 			format:   "text",
-			expected: "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1\"\tmap[strVal:type:VARCHAR value:\"abc\"]\t0\t0\t\"\"\t\"PRIMARY\"\t\"suuid\"\tfalse\t[\"ks1.tbl1\",\"ks2.tbl2\"]\t\"db\"\n",
+			expected: "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1\"\t{\"strVal\": {\"type\": \"VARCHAR\", \"value\": \"abc\"}}\t0\t0\t\"\"\t\"PRIMARY\"\t\"suuid\"\tfalse\t[\"ks1.tbl1\",\"ks2.tbl2\"]\t\"db\"\n",
 			bindVars: stringBindVar,
 		}, { // 5
 			redact:   true,
@@ -129,14 +129,13 @@ func TestLogStatsFormat(t *testing.T) {
 			streamlog.SetQueryLogFormat(test.format)
 			if test.format == "text" {
 				got := testFormat(t, logStats, params)
+				t.Logf("got: %s", got)
 				assert.Equal(t, test.expected, got)
-				for _, variable := range logStats.BindVariables {
-					fmt.Println("->" + fmt.Sprintf("%v", variable))
-				}
 				return
 			}
 
 			got := testFormat(t, logStats, params)
+			t.Logf("got: %s", got)
 			var parsed map[string]any
 			err := json.Unmarshal([]byte(got), &parsed)
 			assert.NoError(t, err)
@@ -157,12 +156,12 @@ func TestLogStatsFilter(t *testing.T) {
 	params := map[string][]string{"full": {}}
 
 	got := testFormat(t, logStats, params)
-	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\tmap[intVal:type:INT64 value:\"1\"]\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
+	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
 	assert.Equal(t, want, got)
 
 	streamlog.SetQueryLogFilterTag("LOG_THIS_QUERY")
 	got = testFormat(t, logStats, params)
-	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\tmap[intVal:type:INT64 value:\"1\"]\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
+	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
 	assert.Equal(t, want, got)
 
 	streamlog.SetQueryLogFilterTag("NOT_THIS_QUERY")
@@ -180,12 +179,12 @@ func TestLogStatsRowThreshold(t *testing.T) {
 	params := map[string][]string{"full": {}}
 
 	got := testFormat(t, logStats, params)
-	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\tmap[intVal:type:INT64 value:\"1\"]\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
+	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
 	assert.Equal(t, want, got)
 
 	streamlog.SetQueryLogRowThreshold(0)
 	got = testFormat(t, logStats, params)
-	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\tmap[intVal:type:INT64 value:\"1\"]\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
+	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t0.000000\t0.000000\t0.000000\t\t\"sql1 /* LOG_THIS_QUERY */\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t0\t0\t\"\"\t\"\"\t\"\"\tfalse\t[]\t\"\"\n"
 	assert.Equal(t, want, got)
 	streamlog.SetQueryLogRowThreshold(1)
 	got = testFormat(t, logStats, params)
diff --git a/go/vt/vttablet/filelogger/filelogger_test.go b/go/vt/vttablet/filelogger/filelogger_test.go
index 1562c9626a8..f747ebba93b 100644
--- a/go/vt/vttablet/filelogger/filelogger_test.go
+++ b/go/vt/vttablet/filelogger/filelogger_test.go
@@ -60,7 +60,7 @@ func TestFileLog(t *testing.T) {
 	for i := 0; i < 10; i++ {
 		time.Sleep(10 * time.Millisecond)
 
-		want := "\t\t\t''\t''\t0001-01-01 00:00:00.000000\t0001-01-01 00:00:00.000000\t0.000000\t\t\"test 1\"\tmap[]\t1\t\"test 1 PII\"\tmysql\t0.000000\t0.000000\t0\t0\t0\t\"\"\t\n\t\t\t''\t''\t0001-01-01 00:00:00.000000\t0001-01-01 00:00:00.000000\t0.000000\t\t\"test 2\"\tmap[]\t1\t\"test 2 PII\"\tmysql\t0.000000\t0.000000\t0\t0\t0\t\"\"\t\n"
+		want := "\t\t\t''\t''\t0001-01-01 00:00:00.000000\t0001-01-01 00:00:00.000000\t0.000000\t\t\"test 1\"\t{}\t1\t\"test 1 PII\"\tmysql\t0.000000\t0.000000\t0\t0\t0\t\"\"\t\n\t\t\t''\t''\t0001-01-01 00:00:00.000000\t0001-01-01 00:00:00.000000\t0.000000\t\t\"test 2\"\t{}\t1\t\"test 2 PII\"\tmysql\t0.000000\t0.000000\t0\t0\t0\t\"\"\t\n"
 		contents, _ := os.ReadFile(logPath)
 		got := string(contents)
 		if want == got {
diff --git a/go/vt/vttablet/sysloglogger/sysloglogger_test.go b/go/vt/vttablet/sysloglogger/sysloglogger_test.go
index c62a4396ac6..8347d0433af 100644
--- a/go/vt/vttablet/sysloglogger/sysloglogger_test.go
+++ b/go/vt/vttablet/sysloglogger/sysloglogger_test.go
@@ -85,7 +85,7 @@ func (fw *failingFakeWriter) Close() error          { return nil }
 // expectedLogStatsText returns the results expected from the plugin processing a dummy message generated by mockLogStats(...).
 func expectedLogStatsText(originalSQL string) string {
 	return fmt.Sprintf("Execute\t\t\t''\t''\t0001-01-01 00:00:00.000000\t0001-01-01 00:00:00.000000\t0.000000\tPASS_SELECT\t"+
-		"\"%s\"\t%s\t1\t\"%s\"\tmysql\t0.000000\t0.000000\t0\t0\t0\t\"\"", originalSQL, "map[]", originalSQL)
+		"\"%s\"\t%s\t1\t\"%s\"\tmysql\t0.000000\t0.000000\t0\t0\t0\t\"\"", originalSQL, "{}", originalSQL)
 }
 
 // expectedRedactedLogStatsText returns the results expected from the plugin processing a dummy message generated by mockLogStats(...)
diff --git a/go/vt/vttablet/tabletserver/tabletenv/logstats.go b/go/vt/vttablet/tabletserver/tabletenv/logstats.go
index 962b5f0b122..ad7e09de169 100644
--- a/go/vt/vttablet/tabletserver/tabletenv/logstats.go
+++ b/go/vt/vttablet/tabletserver/tabletenv/logstats.go
@@ -18,7 +18,6 @@ package tabletenv
 
 import (
 	"context"
-	"fmt"
 	"io"
 	"net/url"
 	"strings"
@@ -26,6 +25,7 @@ import (
 
 	"github.com/google/safehtml"
 
+	"vitess.io/vitess/go/logstats"
 	"vitess.io/vitess/go/sqltypes"
 	"vitess.io/vitess/go/streamlog"
 	"vitess.io/vitess/go/vt/callerid"
@@ -181,55 +181,65 @@ func (stats *LogStats) Logf(w io.Writer, params url.Values) error {
 		return nil
 	}
 
-	rewrittenSQL := "[REDACTED]"
-	formattedBindVars := "\"[REDACTED]\""
-
-	if !streamlog.GetRedactDebugUIQueries() {
-		rewrittenSQL = stats.RewrittenSQL()
-
-		_, fullBindParams := params["full"]
-		formattedBindVars = sqltypes.FormatBindVariables(
-			stats.BindVariables,
-			fullBindParams,
-			streamlog.GetQueryLogFormat() == streamlog.QueryLogFormatJSON,
-		)
-	}
-
+	redacted := streamlog.GetRedactDebugUIQueries()
+	_, fullBindParams := params["full"]
 	// TODO: remove username here we fully enforce immediate caller id
 	callInfo, username := stats.CallInfo()
 
-	// Valid options for the QueryLogFormat are text or json
-	var fmtString string
-	switch streamlog.GetQueryLogFormat() {
-	case streamlog.QueryLogFormatText:
-		fmtString = "%v\t%v\t%v\t'%v'\t'%v'\t%v\t%v\t%.6f\t%v\t%q\t%v\t%v\t%q\t%v\t%.6f\t%.6f\t%v\t%v\t%v\t%q\t\n"
-	case streamlog.QueryLogFormatJSON:
-		fmtString = "{\"Method\": %q, \"CallInfo\": %q, \"Username\": %q, \"ImmediateCaller\": %q, \"Effective Caller\": %q, \"Start\": \"%v\", \"End\": \"%v\", \"TotalTime\": %.6f, \"PlanType\": %q, \"OriginalSQL\": %q, \"BindVars\": %v, \"Queries\": %v, \"RewrittenSQL\": %q, \"QuerySources\": %q, \"MysqlTime\": %.6f, \"ConnWaitTime\": %.6f, \"RowsAffected\": %v,\"TransactionID\": %v,\"ResponseSize\": %v, \"Error\": %q}\n"
+	log := logstats.NewLogger()
+	log.Init(streamlog.GetQueryLogFormat() == streamlog.QueryLogFormatJSON)
+	log.Key("Method")
+	log.StringUnquoted(stats.Method)
+	log.Key("CallInfo")
+	log.StringUnquoted(callInfo)
+	log.Key("Username")
+	log.StringUnquoted(username)
+	log.Key("ImmediateCaller")
+	log.StringSingleQuoted(stats.ImmediateCaller())
+	log.Key("Effective Caller")
+	log.StringSingleQuoted(stats.EffectiveCaller())
+	log.Key("Start")
+	log.Time(stats.StartTime)
+	log.Key("End")
+	log.Time(stats.EndTime)
+	log.Key("TotalTime")
+	log.Duration(stats.TotalTime())
+	log.Key("PlanType")
+	log.StringUnquoted(stats.PlanType)
+	log.Key("OriginalSQL")
+	log.String(stats.OriginalSQL)
+	log.Key("BindVars")
+	if redacted {
+		log.Redacted()
+	} else {
+		log.BindVariables(stats.BindVariables, fullBindParams)
 	}
-
-	_, err := fmt.Fprintf(
-		w,
-		fmtString,
-		stats.Method,
-		callInfo,
-		username,
-		stats.ImmediateCaller(),
-		stats.EffectiveCaller(),
-		stats.StartTime.Format("2006-01-02 15:04:05.000000"),
-		stats.EndTime.Format("2006-01-02 15:04:05.000000"),
-		stats.TotalTime().Seconds(),
-		stats.PlanType,
-		stats.OriginalSQL,
-		formattedBindVars,
-		stats.NumberOfQueries,
-		rewrittenSQL,
-		stats.FmtQuerySources(),
-		stats.MysqlResponseTime.Seconds(),
-		stats.WaitingForConnection.Seconds(),
-		stats.RowsAffected,
-		stats.TransactionID,
-		stats.SizeOfResponse(),
-		stats.ErrorStr(),
-	)
-	return err
+	log.Key("Queries")
+	log.Int(int64(stats.NumberOfQueries))
+	log.Key("RewrittenSQL")
+	if redacted {
+		log.Redacted()
+	} else {
+		log.String(stats.RewrittenSQL())
+	}
+	log.Key("QuerySources")
+	log.StringUnquoted(stats.FmtQuerySources())
+	log.Key("MysqlTime")
+	log.Duration(stats.MysqlResponseTime)
+	log.Key("ConnWaitTime")
+	log.Duration(stats.WaitingForConnection)
+	log.Key("RowsAffected")
+	log.Uint(uint64(stats.RowsAffected))
+	log.Key("TransactionID")
+	log.Int(stats.TransactionID)
+	log.Key("ResponseSize")
+	log.Int(int64(stats.SizeOfResponse()))
+	log.Key("Error")
+	log.String(stats.ErrorStr())
+
+	// logstats from the vttablet are always tab-terminated; keep this for backwards
+	// compatibility for existing parsers
+	log.TabTerminated()
+
+	return log.Flush(w)
 }
diff --git a/go/vt/vttablet/tabletserver/tabletenv/logstats_test.go b/go/vt/vttablet/tabletserver/tabletenv/logstats_test.go
index 84de50aae74..f04b1498982 100644
--- a/go/vt/vttablet/tabletserver/tabletenv/logstats_test.go
+++ b/go/vt/vttablet/tabletserver/tabletenv/logstats_test.go
@@ -74,7 +74,7 @@ func TestLogStatsFormat(t *testing.T) {
 	streamlog.SetRedactDebugUIQueries(false)
 	streamlog.SetQueryLogFormat("text")
 	got := testFormat(logStats, url.Values(params))
-	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql\"\tmap[intVal:type:INT64 value:\"1\"]\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t12345\t1\t\"\"\t\n"
+	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t12345\t1\t\"\"\t\n"
 	if got != want {
 		t.Errorf("logstats format: got:\n%q\nwant:\n%q\n", got, want)
 	}
@@ -128,7 +128,7 @@ func TestLogStatsFormat(t *testing.T) {
 
 	streamlog.SetQueryLogFormat("text")
 	got = testFormat(logStats, url.Values(params))
-	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql\"\tmap[strVal:type:VARCHAR value:\"abc\"]\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t12345\t1\t\"\"\t\n"
+	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql\"\t{\"strVal\": {\"type\": \"VARCHAR\", \"value\": \"abc\"}}\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t12345\t1\t\"\"\t\n"
 	if got != want {
 		t.Errorf("logstats format: got:\n%q\nwant:\n%q\n", got, want)
 	}
@@ -165,14 +165,14 @@ func TestLogStatsFilter(t *testing.T) {
 	params := map[string][]string{"full": {}}
 
 	got := testFormat(logStats, url.Values(params))
-	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql /* LOG_THIS_QUERY */\"\tmap[intVal:type:INT64 value:\"1\"]\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t0\t1\t\"\"\t\n"
+	want := "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql /* LOG_THIS_QUERY */\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t0\t1\t\"\"\t\n"
 	if got != want {
 		t.Errorf("logstats format: got:\n%q\nwant:\n%q\n", got, want)
 	}
 
 	streamlog.SetQueryLogFilterTag("LOG_THIS_QUERY")
 	got = testFormat(logStats, url.Values(params))
-	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql /* LOG_THIS_QUERY */\"\tmap[intVal:type:INT64 value:\"1\"]\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t0\t1\t\"\"\t\n"
+	want = "test\t\t\t''\t''\t2017-01-01 01:02:03.000000\t2017-01-01 01:02:04.000001\t1.000001\t\t\"sql /* LOG_THIS_QUERY */\"\t{\"intVal\": {\"type\": \"INT64\", \"value\": 1}}\t1\t\"sql with pii\"\tmysql\t0.000000\t0.000000\t0\t0\t1\t\"\"\t\n"
 	if got != want {
 		t.Errorf("logstats format: got:\n%q\nwant:\n%q\n", got, want)
 	}

From d112b3faaae425474d38c8c760121ff138bc0696 Mon Sep 17 00:00:00 2001
From: Harshit Gangal <harshit@planetscale.com>
Date: Mon, 28 Oct 2024 10:02:13 +0530
Subject: [PATCH 07/19] fix: use related semtable for each operator to sql
 builder conversion

Signed-off-by: Harshit Gangal <harshit@planetscale.com>
---
 .../planbuilder/operator_transformers.go      | 59 ++++++------
 .../planbuilder/operators/SQL_builder.go      | 13 +--
 .../vtgate/planbuilder/operators/ast_to_op.go | 15 ++-
 go/vt/vtgate/planbuilder/operators/delete.go  |  7 +-
 .../planbuilder/operators/expressions.go      |  5 +-
 .../planbuilder/operators/fk_cascade.go       |  5 +
 .../vtgate/planbuilder/operators/fk_verify.go |  5 +-
 go/vt/vtgate/planbuilder/operators/update.go  | 29 +++---
 .../plancontext/planning_context.go           | 94 +++++++++++++++++--
 .../testdata/foreignkey_cases.json            |  4 +-
 .../planbuilder/testdata/from_cases.json      |  4 +-
 .../testdata/postprocess_cases.json           |  2 +-
 .../planbuilder/testdata/reference_cases.json |  2 +-
 .../planbuilder/testdata/select_cases.json    |  4 +-
 .../planbuilder/testdata/tpcc_cases.json      |  4 +-
 15 files changed, 172 insertions(+), 80 deletions(-)

diff --git a/go/vt/vtgate/planbuilder/operator_transformers.go b/go/vt/vtgate/planbuilder/operator_transformers.go
index 127404dee9f..5a9574dfb79 100644
--- a/go/vt/vtgate/planbuilder/operator_transformers.go
+++ b/go/vt/vtgate/planbuilder/operator_transformers.go
@@ -79,9 +79,8 @@ func transformFkCascade(ctx *plancontext.PlanningContext, fkc *operators.FkCasca
 		return nil, nil
 	}
 
-	// Once we have the parent logical plan, we can create the selection logical plan and the primitives for the children operators.
-	// For all of these, we don't need the semTable anymore. We set it to nil, to avoid using an incorrect one.
-	ctx.SemTable = nil
+	// Using the correct semantics.SemTable for the selection query created during planning.
+	ctx.SemTable = fkc.SSemTable
 	selLP, err := transformToLogicalPlan(ctx, fkc.Selection)
 	if err != nil {
 		return nil, err
@@ -90,6 +89,8 @@ func transformFkCascade(ctx *plancontext.PlanningContext, fkc *operators.FkCasca
 	// Go over the children and convert them to Primitives too.
 	var children []*engine.FkChild
 	for _, child := range fkc.Children {
+		// Using the correct semantics.SemTable for the child table cascade query created during planning.
+		ctx.SemTable = child.ST
 		childLP, err := transformToLogicalPlan(ctx, child.Op)
 		if err != nil {
 			return nil, err
@@ -109,6 +110,31 @@ func transformFkCascade(ctx *plancontext.PlanningContext, fkc *operators.FkCasca
 	return newFkCascade(parentLP, selLP, children), nil
 }
 
+// transformFkVerify transforms a FkVerify operator into a logical plan.
+func transformFkVerify(ctx *plancontext.PlanningContext, fkv *operators.FkVerify) (logicalPlan, error) {
+	inputLP, err := transformToLogicalPlan(ctx, fkv.Input)
+	if err != nil {
+		return nil, err
+	}
+
+	// Go over the children and convert them to Primitives too.
+	var verify []*verifyLP
+	for _, v := range fkv.Verify {
+		// Using the correct semantics.SemTable for the parent table verify query created during planning.
+		ctx.SemTable = v.ST
+		lp, err := transformToLogicalPlan(ctx, v.Op)
+		if err != nil {
+			return nil, err
+		}
+		verify = append(verify, &verifyLP{
+			verify: lp,
+			typ:    v.Typ,
+		})
+	}
+
+	return newFkVerify(inputLP, verify), nil
+}
+
 func transformSubQuery(ctx *plancontext.PlanningContext, op *operators.SubQuery) (logicalPlan, error) {
 	outer, err := transformToLogicalPlan(ctx, op.Outer)
 	if err != nil {
@@ -136,33 +162,6 @@ func transformSubQuery(ctx *plancontext.PlanningContext, op *operators.SubQuery)
 	return newSemiJoin(outer, inner, op.Vars, lhsCols), nil
 }
 
-// transformFkVerify transforms a FkVerify operator into a logical plan.
-func transformFkVerify(ctx *plancontext.PlanningContext, fkv *operators.FkVerify) (logicalPlan, error) {
-	inputLP, err := transformToLogicalPlan(ctx, fkv.Input)
-	if err != nil {
-		return nil, err
-	}
-
-	// Once we have the input logical plan, we can create the primitives for the verification operators.
-	// For all of these, we don't need the semTable anymore. We set it to nil, to avoid using an incorrect one.
-	ctx.SemTable = nil
-
-	// Go over the children and convert them to Primitives too.
-	var verify []*verifyLP
-	for _, v := range fkv.Verify {
-		lp, err := transformToLogicalPlan(ctx, v.Op)
-		if err != nil {
-			return nil, err
-		}
-		verify = append(verify, &verifyLP{
-			verify: lp,
-			typ:    v.Typ,
-		})
-	}
-
-	return newFkVerify(inputLP, verify), nil
-}
-
 func transformAggregator(ctx *plancontext.PlanningContext, op *operators.Aggregator) (logicalPlan, error) {
 	plan, err := transformToLogicalPlan(ctx, op.Source)
 	if err != nil {
diff --git a/go/vt/vtgate/planbuilder/operators/SQL_builder.go b/go/vt/vtgate/planbuilder/operators/SQL_builder.go
index cd56fed05b2..e2ccf41d028 100644
--- a/go/vt/vtgate/planbuilder/operators/SQL_builder.go
+++ b/go/vt/vtgate/planbuilder/operators/SQL_builder.go
@@ -88,7 +88,7 @@ func (qb *queryBuilder) addTableExpr(
 }
 
 func (qb *queryBuilder) addPredicate(expr sqlparser.Expr) {
-	if _, toBeSkipped := qb.ctx.SkipPredicates[expr]; toBeSkipped {
+	if qb.ctx.ShouldSkip(expr) {
 		// This is a predicate that was added to the RHS of an ApplyJoin.
 		// The original predicate will be added, so we don't have to add this here
 		return
@@ -566,21 +566,16 @@ func buildProjection(op *Projection, qb *queryBuilder) error {
 func buildApplyJoin(op *ApplyJoin, qb *queryBuilder) error {
 	predicates := slice.Map(op.JoinPredicates, func(jc JoinColumn) sqlparser.Expr {
 		// since we are adding these join predicates, we need to mark to broken up version (RHSExpr) of it as done
-		qb.ctx.SkipPredicates[jc.RHSExpr] = nil
-
+		_ = qb.ctx.SkipJoinPredicates(jc.Original.Expr)
 		return jc.Original.Expr
 	})
+
 	pred := sqlparser.AndExpressions(predicates...)
 	err := buildQuery(op.LHS, qb)
 	if err != nil {
 		return err
 	}
-	// If we are going to add the predicate used in join here
-	// We should not add the predicate's copy of when it was split into
-	// two parts. To avoid this, we use the SkipPredicates map.
-	for _, pred := range op.JoinPredicates {
-		qb.ctx.SkipPredicates[pred.RHSExpr] = nil
-	}
+
 	qbR := &queryBuilder{ctx: qb.ctx}
 	err = buildQuery(op.RHS, qbR)
 	if err != nil {
diff --git a/go/vt/vtgate/planbuilder/operators/ast_to_op.go b/go/vt/vtgate/planbuilder/operators/ast_to_op.go
index e7628edacc5..4bb1e5d91d6 100644
--- a/go/vt/vtgate/planbuilder/operators/ast_to_op.go
+++ b/go/vt/vtgate/planbuilder/operators/ast_to_op.go
@@ -204,16 +204,23 @@ func createOperatorFromUnion(ctx *plancontext.PlanningContext, node *sqlparser.U
 // createOpFromStmt creates an operator from the given statement. It takes in two additional arguments—
 // 1. verifyAllFKs: For this given statement, do we need to verify validity of all the foreign keys on the vtgate level.
 // 2. fkToIgnore: The foreign key constraint to specifically ignore while planning the statement.
-func createOpFromStmt(ctx *plancontext.PlanningContext, stmt sqlparser.Statement, verifyAllFKs bool, fkToIgnore string) (ops.Operator, error) {
+func createOpFromStmt(ctx *plancontext.PlanningContext, stmt sqlparser.Statement, verifyAllFKs bool, fkToIgnore string) (*semantics.SemTable, ops.Operator, error) {
 	newCtx, err := plancontext.CreatePlanningContext(stmt, ctx.ReservedVars, ctx.VSchema, ctx.PlannerVersion)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 
 	newCtx.VerifyAllFKs = verifyAllFKs
 	newCtx.ParentFKToIgnore = fkToIgnore
 
-	return PlanQuery(newCtx, stmt)
+	query, err := PlanQuery(newCtx, stmt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	ctx.KeepPredicateInfo(newCtx)
+
+	return newCtx.SemTable, query, err
 }
 
 func getOperatorFromTableExpr(ctx *plancontext.PlanningContext, tableExpr sqlparser.TableExpr, onlyTable bool) (ops.Operator, error) {
@@ -377,7 +384,7 @@ func createSelectionOp(
 	where *sqlparser.Where,
 	limit *sqlparser.Limit,
 	lock sqlparser.Lock,
-) (ops.Operator, error) {
+) (*semantics.SemTable, ops.Operator, error) {
 	selectionStmt := &sqlparser.Select{
 		SelectExprs: selectExprs,
 		From:        tableExprs,
diff --git a/go/vt/vtgate/planbuilder/operators/delete.go b/go/vt/vtgate/planbuilder/operators/delete.go
index 11a4ed8b31d..ad265101d01 100644
--- a/go/vt/vtgate/planbuilder/operators/delete.go
+++ b/go/vt/vtgate/planbuilder/operators/delete.go
@@ -195,7 +195,7 @@ func createFkCascadeOpForDelete(ctx *plancontext.PlanningContext, parentOp ops.O
 		}
 		fkChildren = append(fkChildren, fkChild)
 	}
-	selectionOp, err := createSelectionOp(ctx, selectExprs, delStmt.TableExprs, delStmt.Where, nil, sqlparser.ForUpdateLock)
+	st, selectionOp, err := createSelectionOp(ctx, selectExprs, delStmt.TableExprs, delStmt.Where, nil, sqlparser.ForUpdateLock)
 	if err != nil {
 		return nil, err
 	}
@@ -204,6 +204,8 @@ func createFkCascadeOpForDelete(ctx *plancontext.PlanningContext, parentOp ops.O
 		Selection: selectionOp,
 		Children:  fkChildren,
 		Parent:    parentOp,
+
+		SSemTable: st,
 	}, nil
 }
 
@@ -247,7 +249,7 @@ func createFkChildForDelete(ctx *plancontext.PlanningContext, fk vindexes.ChildF
 	}
 
 	// For the child statement of a DELETE query, we don't need to verify all the FKs on VTgate or ignore any foreign key explicitly.
-	childOp, err := createOpFromStmt(ctx, childStmt, false /* verifyAllFKs */, "" /* fkToIgnore */)
+	cST, childOp, err := createOpFromStmt(ctx, childStmt, false /* verifyAllFKs */, "" /* fkToIgnore */)
 	if err != nil {
 		return nil, err
 	}
@@ -256,5 +258,6 @@ func createFkChildForDelete(ctx *plancontext.PlanningContext, fk vindexes.ChildF
 		BVName: bvName,
 		Cols:   cols,
 		Op:     childOp,
+		ST:     cST,
 	}, nil
 }
diff --git a/go/vt/vtgate/planbuilder/operators/expressions.go b/go/vt/vtgate/planbuilder/operators/expressions.go
index 4c03490317e..defe2e506ad 100644
--- a/go/vt/vtgate/planbuilder/operators/expressions.go
+++ b/go/vt/vtgate/planbuilder/operators/expressions.go
@@ -52,10 +52,7 @@ func BreakExpressionInLHSandRHS(
 		cursor.Replace(arg)
 	}, nil).(sqlparser.Expr)
 
-	if err != nil {
-		return JoinColumn{}, err
-	}
-	ctx.JoinPredicates[expr] = append(ctx.JoinPredicates[expr], rewrittenExpr)
+	ctx.AddJoinPredicates(expr, rewrittenExpr)
 	col.RHSExpr = rewrittenExpr
 	return
 }
diff --git a/go/vt/vtgate/planbuilder/operators/fk_cascade.go b/go/vt/vtgate/planbuilder/operators/fk_cascade.go
index a9afbde0a7c..40ca29507e1 100644
--- a/go/vt/vtgate/planbuilder/operators/fk_cascade.go
+++ b/go/vt/vtgate/planbuilder/operators/fk_cascade.go
@@ -20,6 +20,7 @@ import (
 	"slices"
 
 	"vitess.io/vitess/go/vt/vtgate/planbuilder/operators/ops"
+	"vitess.io/vitess/go/vt/vtgate/semantics"
 )
 
 // FkChild is used to represent a foreign key child table operation
@@ -27,6 +28,7 @@ type FkChild struct {
 	BVName string
 	Cols   []int // indexes
 	Op     ops.Operator
+	ST     *semantics.SemTable
 
 	noColumns
 	noPredicates
@@ -37,6 +39,7 @@ type FkChild struct {
 // cascades (for example, ON DELETE CASCADE).
 type FkCascade struct {
 	Selection ops.Operator
+	SSemTable *semantics.SemTable
 	Children  []*FkChild
 	Parent    ops.Operator
 
@@ -80,6 +83,7 @@ func (fkc *FkCascade) Clone(inputs []ops.Operator) ops.Operator {
 	newFkc := &FkCascade{
 		Parent:    inputs[0],
 		Selection: inputs[1],
+		SSemTable: fkc.SSemTable,
 	}
 	for idx, operator := range inputs {
 		if idx < 2 {
@@ -90,6 +94,7 @@ func (fkc *FkCascade) Clone(inputs []ops.Operator) ops.Operator {
 			BVName: fkc.Children[idx-2].BVName,
 			Cols:   slices.Clone(fkc.Children[idx-2].Cols),
 			Op:     operator,
+			ST:     fkc.Children[idx-2].ST,
 		})
 	}
 	return newFkc
diff --git a/go/vt/vtgate/planbuilder/operators/fk_verify.go b/go/vt/vtgate/planbuilder/operators/fk_verify.go
index 8c2431d26fc..27212a2c67a 100644
--- a/go/vt/vtgate/planbuilder/operators/fk_verify.go
+++ b/go/vt/vtgate/planbuilder/operators/fk_verify.go
@@ -18,12 +18,15 @@ package operators
 
 import (
 	"vitess.io/vitess/go/vt/vtgate/planbuilder/operators/ops"
+	"vitess.io/vitess/go/vt/vtgate/semantics"
 )
 
 // VerifyOp keeps the information about the foreign key verification operation.
 // It is a Parent verification or a Child verification.
 type VerifyOp struct {
-	Op  ops.Operator
+	Op ops.Operator
+	ST *semantics.SemTable
+
 	Typ string
 }
 
diff --git a/go/vt/vtgate/planbuilder/operators/update.go b/go/vt/vtgate/planbuilder/operators/update.go
index 5a7716bdbeb..40ac5820dd1 100644
--- a/go/vt/vtgate/planbuilder/operators/update.go
+++ b/go/vt/vtgate/planbuilder/operators/update.go
@@ -344,13 +344,14 @@ func createFKCascadeOp(ctx *plancontext.PlanningContext, parentOp ops.Operator,
 		fkChildren = append(fkChildren, fkChild)
 	}
 
-	selectionOp, err := createSelectionOp(ctx, selectExprs, updStmt.TableExprs, updStmt.Where, nil, sqlparser.ForUpdateLock)
+	st, selectionOp, err := createSelectionOp(ctx, selectExprs, updStmt.TableExprs, updStmt.Where, nil, sqlparser.ForUpdateLock)
 	if err != nil {
 		return nil, err
 	}
 
 	return &FkCascade{
 		Selection: selectionOp,
+		SSemTable: st,
 		Children:  fkChildren,
 		Parent:    parentOp,
 	}, nil
@@ -370,13 +371,14 @@ func createFkChildForUpdate(ctx *plancontext.PlanningContext, fk vindexes.ChildF
 	compExpr := sqlparser.NewComparisonExpr(sqlparser.InOp, valTuple, sqlparser.NewListArg(bvName), nil)
 	var childWhereExpr sqlparser.Expr = compExpr
 
+	var st *semantics.SemTable
 	var childOp ops.Operator
 	var err error
 	switch fk.OnUpdate {
 	case sqlparser.Cascade:
-		childOp, err = buildChildUpdOpForCascade(ctx, fk, updStmt, childWhereExpr, updatedTable)
+		st, childOp, err = buildChildUpdOpForCascade(ctx, fk, updStmt, childWhereExpr, updatedTable)
 	case sqlparser.SetNull:
-		childOp, err = buildChildUpdOpForSetNull(ctx, fk, updStmt, childWhereExpr)
+		st, childOp, err = buildChildUpdOpForSetNull(ctx, fk, updStmt, childWhereExpr)
 	case sqlparser.SetDefault:
 		return nil, vterrors.VT09016()
 	}
@@ -388,6 +390,7 @@ func createFkChildForUpdate(ctx *plancontext.PlanningContext, fk vindexes.ChildF
 		BVName: bvName,
 		Cols:   cols,
 		Op:     childOp,
+		ST:     st,
 	}, nil
 }
 
@@ -395,7 +398,7 @@ func createFkChildForUpdate(ctx *plancontext.PlanningContext, fk vindexes.ChildF
 // The query looks like this -
 //
 //	`UPDATE <child_table> SET <child_column_updated_using_update_exprs_from_parent_update_query> WHERE <child_columns_in_fk> IN (<bind variable for the output from SELECT>)`
-func buildChildUpdOpForCascade(ctx *plancontext.PlanningContext, fk vindexes.ChildFKInfo, updStmt *sqlparser.Update, childWhereExpr sqlparser.Expr, updatedTable *vindexes.Table) (ops.Operator, error) {
+func buildChildUpdOpForCascade(ctx *plancontext.PlanningContext, fk vindexes.ChildFKInfo, updStmt *sqlparser.Update, childWhereExpr sqlparser.Expr, updatedTable *vindexes.Table) (*semantics.SemTable, ops.Operator, error) {
 	// The update expressions are the same as the update expressions in the parent update query
 	// with the column names replaced with the child column names.
 	var childUpdateExprs sqlparser.UpdateExprs
@@ -436,7 +439,7 @@ func buildChildUpdOpForCascade(ctx *plancontext.PlanningContext, fk vindexes.Chi
 //	`UPDATE <child_table> SET <child_column_updated_using_update_exprs_from_parent_update_query>
 //	WHERE <child_columns_in_fk> IN (<bind variable for the output from SELECT>)
 //	[AND ({<bind variables in the SET clause of the original update> IS NULL OR}... <child_columns_in_fk> NOT IN (<bind variables in the SET clause of the original update>))]`
-func buildChildUpdOpForSetNull(ctx *plancontext.PlanningContext, fk vindexes.ChildFKInfo, updStmt *sqlparser.Update, childWhereExpr sqlparser.Expr) (ops.Operator, error) {
+func buildChildUpdOpForSetNull(ctx *plancontext.PlanningContext, fk vindexes.ChildFKInfo, updStmt *sqlparser.Update, childWhereExpr sqlparser.Expr) (*semantics.SemTable, ops.Operator, error) {
 	// For the SET NULL type constraint, we need to set all the child columns to NULL.
 	var childUpdateExprs sqlparser.UpdateExprs
 	for _, column := range fk.ChildColumns {
@@ -479,23 +482,25 @@ func createFKVerifyOp(ctx *plancontext.PlanningContext, childOp ops.Operator, up
 	var Verify []*VerifyOp
 	// This validates that new values exists on the parent table.
 	for _, fk := range parentFks {
-		op, err := createFkVerifyOpForParentFKForUpdate(ctx, updStmt, fk)
+		st, op, err := createFkVerifyOpForParentFKForUpdate(ctx, updStmt, fk)
 		if err != nil {
 			return nil, err
 		}
 		Verify = append(Verify, &VerifyOp{
 			Op:  op,
+			ST:  st,
 			Typ: engine.ParentVerify,
 		})
 	}
 	// This validates that the old values don't exist on the child table.
 	for _, fk := range restrictChildFks {
-		op, err := createFkVerifyOpForChildFKForUpdate(ctx, updStmt, fk)
+		st, op, err := createFkVerifyOpForChildFKForUpdate(ctx, updStmt, fk)
 		if err != nil {
 			return nil, err
 		}
 		Verify = append(Verify, &VerifyOp{
 			Op:  op,
+			ST:  st,
 			Typ: engine.ChildVerify,
 		})
 	}
@@ -517,11 +522,11 @@ func createFKVerifyOp(ctx *plancontext.PlanningContext, childOp ops.Operator, up
 // where Parent.p1 is null and Parent.p2 is null and Child.id = 1
 // and Child.c2 is not null
 // limit 1
-func createFkVerifyOpForParentFKForUpdate(ctx *plancontext.PlanningContext, updStmt *sqlparser.Update, pFK vindexes.ParentFKInfo) (ops.Operator, error) {
+func createFkVerifyOpForParentFKForUpdate(ctx *plancontext.PlanningContext, updStmt *sqlparser.Update, pFK vindexes.ParentFKInfo) (*semantics.SemTable, ops.Operator, error) {
 	childTblExpr := updStmt.TableExprs[0].(*sqlparser.AliasedTableExpr)
 	childTbl, err := childTblExpr.TableName()
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	parentTbl := pFK.Table.GetTableName()
 	var whereCond sqlparser.Expr
@@ -594,16 +599,16 @@ func createFkVerifyOpForParentFKForUpdate(ctx *plancontext.PlanningContext, updS
 // verify query:
 // select 1 from Child join Parent on Parent.p1 = Child.c1 and Parent.p2 = Child.c2
 // where Parent.id = 1 and (1 IS NULL OR (child.c1) NOT IN ((1))) limit 1
-func createFkVerifyOpForChildFKForUpdate(ctx *plancontext.PlanningContext, updStmt *sqlparser.Update, cFk vindexes.ChildFKInfo) (ops.Operator, error) {
+func createFkVerifyOpForChildFKForUpdate(ctx *plancontext.PlanningContext, updStmt *sqlparser.Update, cFk vindexes.ChildFKInfo) (*semantics.SemTable, ops.Operator, error) {
 	// ON UPDATE RESTRICT foreign keys that require validation, should only be allowed in the case where we
 	// are verifying all the FKs on vtgate level.
 	if !ctx.VerifyAllFKs {
-		return nil, vterrors.VT12002()
+		return nil, nil, vterrors.VT12002()
 	}
 	parentTblExpr := updStmt.TableExprs[0].(*sqlparser.AliasedTableExpr)
 	parentTbl, err := parentTblExpr.TableName()
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	childTbl := cFk.Table.GetTableName()
 	var joinCond sqlparser.Expr
diff --git a/go/vt/vtgate/planbuilder/plancontext/planning_context.go b/go/vt/vtgate/planbuilder/plancontext/planning_context.go
index d090a593a39..d9ebb95ff85 100644
--- a/go/vt/vtgate/planbuilder/plancontext/planning_context.go
+++ b/go/vt/vtgate/planbuilder/plancontext/planning_context.go
@@ -19,6 +19,7 @@ package plancontext
 import (
 	querypb "vitess.io/vitess/go/vt/proto/query"
 	"vitess.io/vitess/go/vt/sqlparser"
+	"vitess.io/vitess/go/vt/vterrors"
 	"vitess.io/vitess/go/vt/vtgate/semantics"
 )
 
@@ -27,12 +28,16 @@ type PlanningContext struct {
 	SemTable     *semantics.SemTable
 	VSchema      VSchema
 
-	// here we add all predicates that were created because of a join condition
-	// e.g. [FROM tblA JOIN tblB ON a.colA = b.colB] will be rewritten to [FROM tblB WHERE :a_colA = b.colB],
-	// if we assume that tblB is on the RHS of the join. This last predicate in the WHERE clause is added to the
-	// map below
-	JoinPredicates map[sqlparser.Expr][]sqlparser.Expr
-	SkipPredicates map[sqlparser.Expr]any
+	// joinPredicates maps each original join predicate (key) to a slice of
+	// variations of the RHS predicates (value). This map is used to handle
+	// different scenarios in join planning, where the RHS predicates are
+	// modified to accommodate dependencies
+	joinPredicates map[sqlparser.Expr][]sqlparser.Expr
+
+	// skipPredicates tracks predicates that should be skipped, typically when
+	// a join predicate is reverted to its original form during planning.
+	skipPredicates map[sqlparser.Expr]any
+
 	PlannerVersion querypb.ExecuteOptions_PlannerVersion
 
 	// If we during planning have turned this expression into an argument name,
@@ -79,8 +84,8 @@ func CreatePlanningContext(stmt sqlparser.Statement,
 		ReservedVars:      reservedVars,
 		SemTable:          semTable,
 		VSchema:           vschema,
-		JoinPredicates:    map[sqlparser.Expr][]sqlparser.Expr{},
-		SkipPredicates:    map[sqlparser.Expr]any{},
+		joinPredicates:    map[sqlparser.Expr][]sqlparser.Expr{},
+		skipPredicates:    map[sqlparser.Expr]any{},
 		PlannerVersion:    version,
 		ReservedArguments: map[sqlparser.Expr]string{},
 	}, nil
@@ -116,3 +121,76 @@ func (ctx *PlanningContext) GetArgumentFor(expr sqlparser.Expr, f func() string)
 	ctx.ReservedArguments[expr] = bvName
 	return bvName
 }
+
+// ShouldSkip determines if a given expression should be ignored in the SQL output building.
+// It checks against expressions that have been marked to be excluded from further processing.
+func (ctx *PlanningContext) ShouldSkip(expr sqlparser.Expr) bool {
+	for k := range ctx.skipPredicates {
+		if ctx.SemTable.EqualsExpr(expr, k) {
+			return true
+		}
+	}
+	return false
+}
+
+// AddJoinPredicates associates additional RHS predicates with an existing join predicate.
+// This is used to dynamically adjust the RHS predicates based on evolving join conditions.
+func (ctx *PlanningContext) AddJoinPredicates(joinPred sqlparser.Expr, predicates ...sqlparser.Expr) {
+	fn := func(original sqlparser.Expr, rhsExprs []sqlparser.Expr) {
+		ctx.joinPredicates[original] = append(rhsExprs, predicates...)
+	}
+	if ctx.execOnJoinPredicateEqual(joinPred, fn) {
+		return
+	}
+
+	// we didn't find an existing entry
+	ctx.joinPredicates[joinPred] = predicates
+}
+
+// SkipJoinPredicates marks the predicates related to a specific join predicate as irrelevant
+// for the current planning stage. This is used when a join has been pushed under a route and
+// the original predicate will be used.
+func (ctx *PlanningContext) SkipJoinPredicates(joinPred sqlparser.Expr) error {
+	fn := func(_ sqlparser.Expr, rhsExprs []sqlparser.Expr) {
+		ctx.skipThesePredicates(rhsExprs...)
+	}
+	if ctx.execOnJoinPredicateEqual(joinPred, fn) {
+		return nil
+	}
+	return vterrors.VT13001("predicate does not exist: " + sqlparser.String(joinPred))
+}
+
+// KeepPredicateInfo transfers join predicate information from another context.
+// This is useful when nesting queries, ensuring consistent predicate handling across contexts.
+func (ctx *PlanningContext) KeepPredicateInfo(other *PlanningContext) {
+	for k, v := range other.joinPredicates {
+		ctx.AddJoinPredicates(k, v...)
+	}
+	for expr := range other.skipPredicates {
+		ctx.skipThesePredicates(expr)
+	}
+}
+
+// skipThesePredicates is a utility function to exclude certain predicates from SQL building
+func (ctx *PlanningContext) skipThesePredicates(preds ...sqlparser.Expr) {
+outer:
+	for _, expr := range preds {
+		for k := range ctx.skipPredicates {
+			if ctx.SemTable.EqualsExpr(expr, k) {
+				// already skipped
+				continue outer
+			}
+		}
+		ctx.skipPredicates[expr] = nil
+	}
+}
+
+func (ctx *PlanningContext) execOnJoinPredicateEqual(joinPred sqlparser.Expr, fn func(original sqlparser.Expr, rhsExprs []sqlparser.Expr)) bool {
+	for key, values := range ctx.joinPredicates {
+		if ctx.SemTable.EqualsExpr(joinPred, key) {
+			fn(key, values)
+			return true
+		}
+	}
+	return false
+}
diff --git a/go/vt/vtgate/planbuilder/testdata/foreignkey_cases.json b/go/vt/vtgate/planbuilder/testdata/foreignkey_cases.json
index c9c0acb3cc7..2cc4bf4d4a3 100644
--- a/go/vt/vtgate/planbuilder/testdata/foreignkey_cases.json
+++ b/go/vt/vtgate/planbuilder/testdata/foreignkey_cases.json
@@ -1220,7 +1220,7 @@
                   "Sharded": false
                 },
                 "FieldQuery": "select 1 from u_tbl4, u_tbl9 where 1 != 1",
-                "Query": "select 1 from u_tbl4, u_tbl9 where u_tbl4.col4 = u_tbl9.col9 and (u_tbl4.col4) in ::fkc_vals and ('foo' is null or (u_tbl9.col9) not in (('foo'))) and u_tbl4.col4 = u_tbl9.col9 and (u_tbl4.col4) in ::fkc_vals and ('foo' is null or (u_tbl9.col9) not in (('foo'))) limit 1 lock in share mode",
+                "Query": "select 1 from u_tbl4, u_tbl9 where u_tbl4.col4 = u_tbl9.col9 and (u_tbl4.col4) in ::fkc_vals and ('foo' is null or (u_tbl9.col9) not in (('foo'))) limit 1 lock in share mode",
                 "Table": "u_tbl4, u_tbl9"
               },
               {
@@ -1309,7 +1309,7 @@
                   "Sharded": false
                 },
                 "FieldQuery": "select 1 from u_tbl4, u_tbl9 where 1 != 1",
-                "Query": "select 1 from u_tbl4, u_tbl9 where u_tbl4.col4 = u_tbl9.col9 and (u_tbl4.col4) in ::fkc_vals and (:v1 is null or (u_tbl9.col9) not in ((:v1))) and u_tbl4.col4 = u_tbl9.col9 and (u_tbl4.col4) in ::fkc_vals and (:v1 is null or (u_tbl9.col9) not in ((:v1))) limit 1 lock in share mode",
+                "Query": "select 1 from u_tbl4, u_tbl9 where u_tbl4.col4 = u_tbl9.col9 and (u_tbl4.col4) in ::fkc_vals and (:v1 is null or (u_tbl9.col9) not in ((:v1))) limit 1 lock in share mode",
                 "Table": "u_tbl4, u_tbl9"
               },
               {
diff --git a/go/vt/vtgate/planbuilder/testdata/from_cases.json b/go/vt/vtgate/planbuilder/testdata/from_cases.json
index 9e668bd68a2..eb5feecf7f6 100644
--- a/go/vt/vtgate/planbuilder/testdata/from_cases.json
+++ b/go/vt/vtgate/planbuilder/testdata/from_cases.json
@@ -1598,7 +1598,7 @@
           "Sharded": true
         },
         "FieldQuery": "select t.id from (select id from `user` where 1 != 1) as t, user_extra where 1 != 1",
-        "Query": "select t.id from (select id from `user` where id = 5 and id = :user_extra_user_id) as t, user_extra where t.id = user_extra.user_id",
+        "Query": "select t.id from (select id from `user` where id = 5) as t, user_extra where t.id = user_extra.user_id",
         "Table": "`user`, user_extra",
         "Values": [
           "INT64(5)"
@@ -1736,7 +1736,7 @@
           "Sharded": true
         },
         "FieldQuery": "select t.id from (select id, textcol1 as baz from `user` as route1 where 1 != 1) as t, (select id, textcol1 + textcol1 as baz from `user` where 1 != 1) as s where 1 != 1",
-        "Query": "select t.id from (select id, textcol1 as baz from `user` as route1 where textcol1 = '3') as t, (select id, textcol1 + textcol1 as baz from `user` where textcol1 + textcol1 = '3' and id = :t_id) as s where t.id = s.id",
+        "Query": "select t.id from (select id, textcol1 as baz from `user` as route1 where textcol1 = '3') as t, (select id, textcol1 + textcol1 as baz from `user` where textcol1 + textcol1 = '3') as s where t.id = s.id",
         "Table": "`user`"
       },
       "TablesUsed": [
diff --git a/go/vt/vtgate/planbuilder/testdata/postprocess_cases.json b/go/vt/vtgate/planbuilder/testdata/postprocess_cases.json
index 7f573227e65..a36ad580dc4 100644
--- a/go/vt/vtgate/planbuilder/testdata/postprocess_cases.json
+++ b/go/vt/vtgate/planbuilder/testdata/postprocess_cases.json
@@ -1052,7 +1052,7 @@
           "Sharded": true
         },
         "FieldQuery": "select * from (select user_id from user_extra where 1 != 1) as eu, `user` as u where 1 != 1",
-        "Query": "select * from (select user_id from user_extra where user_id = 5 and user_id = :u_id) as eu, `user` as u where u.id = 5 and u.id = eu.user_id order by eu.user_id asc",
+        "Query": "select * from (select user_id from user_extra where user_id = 5) as eu, `user` as u where u.id = 5 and u.id = eu.user_id order by eu.user_id asc",
         "Table": "`user`, user_extra",
         "Values": [
           "INT64(5)"
diff --git a/go/vt/vtgate/planbuilder/testdata/reference_cases.json b/go/vt/vtgate/planbuilder/testdata/reference_cases.json
index 140ce9f7849..e55eed68678 100644
--- a/go/vt/vtgate/planbuilder/testdata/reference_cases.json
+++ b/go/vt/vtgate/planbuilder/testdata/reference_cases.json
@@ -937,7 +937,7 @@
           "Sharded": true
         },
         "FieldQuery": "select 1 from `user` as u, user_extra as ue, ref_with_source as sr, ref as rr where 1 != 1",
-        "Query": "select 1 from `user` as u, user_extra as ue, ref_with_source as sr, ref as rr where sr.foo = :ue_foo and rr.bar = sr.bar and u.id = ue.user_id and sr.foo = ue.foo",
+        "Query": "select 1 from `user` as u, user_extra as ue, ref_with_source as sr, ref as rr where rr.bar = sr.bar and u.id = ue.user_id and sr.foo = ue.foo",
         "Table": "`user`, ref, ref_with_source, user_extra"
       },
       "TablesUsed": [
diff --git a/go/vt/vtgate/planbuilder/testdata/select_cases.json b/go/vt/vtgate/planbuilder/testdata/select_cases.json
index 6c255fd9d89..2412fbaadcf 100644
--- a/go/vt/vtgate/planbuilder/testdata/select_cases.json
+++ b/go/vt/vtgate/planbuilder/testdata/select_cases.json
@@ -4110,7 +4110,7 @@
           "Sharded": true
         },
         "FieldQuery": "select music.id from (select id from music where 1 != 1) as other, music where 1 != 1",
-        "Query": "select music.id from (select id from music where music.user_id = 5 and id = :music_id) as other, music where other.id = music.id",
+        "Query": "select music.id from (select id from music where music.user_id = 5) as other, music where other.id = music.id",
         "Table": "music",
         "Values": [
           "INT64(5)"
@@ -4136,7 +4136,7 @@
           "Sharded": true
         },
         "FieldQuery": "select music.id from (select id from music where 1 != 1) as other, music where 1 != 1",
-        "Query": "select music.id from (select id from music where music.user_id in ::__vals and id = :music_id) as other, music where other.id = music.id",
+        "Query": "select music.id from (select id from music where music.user_id in ::__vals) as other, music where other.id = music.id",
         "Table": "music",
         "Values": [
           "(INT64(5), INT64(6), INT64(7))"
diff --git a/go/vt/vtgate/planbuilder/testdata/tpcc_cases.json b/go/vt/vtgate/planbuilder/testdata/tpcc_cases.json
index fa823b0ae59..2677deb2cab 100644
--- a/go/vt/vtgate/planbuilder/testdata/tpcc_cases.json
+++ b/go/vt/vtgate/planbuilder/testdata/tpcc_cases.json
@@ -13,7 +13,7 @@
           "Sharded": true
         },
         "FieldQuery": "select c_discount, c_last, c_credit, w_tax from customer1 as c, warehouse1 as w where 1 != 1",
-        "Query": "select c_discount, c_last, c_credit, w_tax from customer1 as c, warehouse1 as w where c_w_id = :w_id and c_d_id = 15 and c_id = 10 and w_id = 1 and c_w_id = w_id",
+        "Query": "select c_discount, c_last, c_credit, w_tax from customer1 as c, warehouse1 as w where c_d_id = 15 and c_id = 10 and w_id = 1 and c_w_id = w_id",
         "Table": "customer1, warehouse1",
         "Values": [
           "INT64(1)"
@@ -947,7 +947,7 @@
           "Sharded": true
         },
         "FieldQuery": "select o.o_id, o.o_d_id from (select o_c_id, o_w_id, o_d_id, count(distinct o_w_id), o_id from orders1 where 1 != 1 group by o_c_id, o_d_id, o_w_id) as t, orders1 as o where 1 != 1",
-        "Query": "select o.o_id, o.o_d_id from (select o_c_id, o_w_id, o_d_id, count(distinct o_w_id), o_id from orders1 where o_w_id = 1 and o_id > 2100 and o_id < 11153 and o_w_id = :o_o_w_id and o_d_id = :o_o_d_id and o_c_id = :o_o_c_id group by o_c_id, o_d_id, o_w_id having count(distinct o_id) > 1 limit 1) as t, orders1 as o where t.o_w_id = o.o_w_id and t.o_d_id = o.o_d_id and t.o_c_id = o.o_c_id limit 1",
+        "Query": "select o.o_id, o.o_d_id from (select o_c_id, o_w_id, o_d_id, count(distinct o_w_id), o_id from orders1 where o_w_id = 1 and o_id > 2100 and o_id < 11153 group by o_c_id, o_d_id, o_w_id having count(distinct o_id) > 1 limit 1) as t, orders1 as o where t.o_w_id = o.o_w_id and t.o_d_id = o.o_d_id and t.o_c_id = o.o_c_id limit 1",
         "Table": "orders1",
         "Values": [
           "INT64(1)"

From d18e3031682d1a196377a03af107352b78249bcd Mon Sep 17 00:00:00 2001
From: Matt Lord <mattalord@gmail.com>
Date: Wed, 17 Jan 2024 12:37:21 -0500
Subject: [PATCH 08/19] Flakes: De-flake
 TestGatewayBufferingWhenPrimarySwitchesServingState (#14968)

Signed-off-by: Matt Lord <mattalord@gmail.com>
---
 go/vt/vtgate/tabletgateway_flaky_test.go | 31 ++++++++++++++++++------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/go/vt/vtgate/tabletgateway_flaky_test.go b/go/vt/vtgate/tabletgateway_flaky_test.go
index f625b5599cd..74e6751162a 100644
--- a/go/vt/vtgate/tabletgateway_flaky_test.go
+++ b/go/vt/vtgate/tabletgateway_flaky_test.go
@@ -22,15 +22,14 @@ import (
 
 	"github.com/stretchr/testify/require"
 
-	"vitess.io/vitess/go/test/utils"
-
 	"vitess.io/vitess/go/mysql/collations"
-
 	"vitess.io/vitess/go/sqltypes"
+	"vitess.io/vitess/go/test/utils"
 	"vitess.io/vitess/go/vt/discovery"
+	"vitess.io/vitess/go/vt/vtgate/buffer"
+
 	querypb "vitess.io/vitess/go/vt/proto/query"
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
-	"vitess.io/vitess/go/vt/vtgate/buffer"
 )
 
 // TestGatewayBufferingWhenPrimarySwitchesServingState is used to test that the buffering mechanism buffers the queries when a primary goes to a non serving state and
@@ -64,6 +63,20 @@ func TestGatewayBufferingWhenPrimarySwitchesServingState(t *testing.T) {
 	// add a primary tabelt which is serving
 	sbc := hc.AddTestTablet("cell", host, port, keyspace, shard, tabletType, true, 10, nil)
 
+	bufferingWaitTimeout := 60 * time.Second
+	waitForBuffering := func(enabled bool) {
+		timer := time.NewTimer(bufferingWaitTimeout)
+		defer timer.Stop()
+		for _, buffering := tg.kev.PrimaryIsNotServing(ctx, target); buffering != enabled; _, buffering = tg.kev.PrimaryIsNotServing(ctx, target) {
+			select {
+			case <-timer.C:
+				require.Fail(t, "timed out waiting for buffering of enabled: %t", enabled)
+			default:
+			}
+			time.Sleep(10 * time.Millisecond)
+		}
+	}
+
 	// add a result to the sandbox connection
 	sqlResult1 := &sqltypes.Result{
 		Fields: []*querypb.Field{{
@@ -94,6 +107,8 @@ func TestGatewayBufferingWhenPrimarySwitchesServingState(t *testing.T) {
 	// add another result to the sandbox connection
 	sbc.SetResults([]*sqltypes.Result{sqlResult1})
 
+	waitForBuffering(true)
+
 	// execute the query in a go routine since it should be buffered, and check that it eventually succeed
 	queryChan := make(chan struct{})
 	go func() {
@@ -102,17 +117,17 @@ func TestGatewayBufferingWhenPrimarySwitchesServingState(t *testing.T) {
 	}()
 
 	// set the serving type for the primary tablet true and broadcast it so that the buffering code registers this change
-	// this should stop the buffering and the query executed in the go routine should work. This should be done with some delay so
-	// that we know that the query was buffered
-	time.Sleep(1 * time.Second)
+	// this should stop the buffering and the query executed in the go routine should work.
 	hc.SetServing(primaryTablet, true)
 	hc.Broadcast(primaryTablet)
 
+	waitForBuffering(false)
+
 	// wait for the query to execute before checking for results
 	select {
 	case <-queryChan:
 		require.NoError(t, err)
-		require.Equal(t, res, sqlResult1)
+		require.Equal(t, sqlResult1, res)
 	case <-time.After(15 * time.Second):
 		t.Fatalf("timed out waiting for query to execute")
 	}

From 5d2abca4402390c5f55bfac1baf0c359d7a68820 Mon Sep 17 00:00:00 2001
From: Matt Lord <mattalord@gmail.com>
Date: Thu, 25 Apr 2024 12:58:32 -0400
Subject: [PATCH 09/19] VReplication: Improve query buffering behavior during
 MoveTables traffic switching (#15701)

Signed-off-by: Matt Lord <mattalord@gmail.com>
---
 go/test/endtoend/vreplication/cluster_test.go |   5 +-
 go/test/endtoend/vreplication/helper_test.go  | 127 ++++++-----
 .../vreplication/movetables_buffering_test.go |   9 +-
 .../vreplication/partial_movetables_test.go   |   6 +
 go/vt/discovery/keyspace_events.go            | 208 +++++++++++-------
 go/vt/discovery/keyspace_events_test.go       |  86 +++++++-
 go/vt/srvtopo/watch_srvvschema.go             |   3 +-
 go/vt/topo/etcd2topo/watch.go                 |  20 +-
 go/vt/vtctl/workflow/server.go                |   8 +-
 go/vt/vtctl/workflow/switcher.go              |   4 +-
 go/vt/vtctl/workflow/switcher_dry_run.go      |   5 +-
 go/vt/vtctl/workflow/switcher_interface.go    |   2 +-
 go/vt/vtctl/workflow/traffic_switcher.go      |   7 +-
 go/vt/vtgate/buffer/buffer.go                 |   4 +
 go/vt/vtgate/buffer/flags.go                  |   3 +
 go/vt/vtgate/buffer/shard_buffer.go           |   7 +-
 go/vt/vtgate/executor_test.go                 |   2 +-
 go/vt/vtgate/executor_vschema_ddl_test.go     |  27 +--
 go/vt/vtgate/plan_execute.go                  |  98 ++++++---
 19 files changed, 423 insertions(+), 208 deletions(-)

diff --git a/go/test/endtoend/vreplication/cluster_test.go b/go/test/endtoend/vreplication/cluster_test.go
index af93ac40726..74923cf6a6c 100644
--- a/go/test/endtoend/vreplication/cluster_test.go
+++ b/go/test/endtoend/vreplication/cluster_test.go
@@ -54,8 +54,9 @@ var (
 	sidecarDBIdentifier   = sqlparser.String(sqlparser.NewIdentifierCS(sidecarDBName))
 	mainClusterConfig     *ClusterConfig
 	externalClusterConfig *ClusterConfig
-	extraVTGateArgs       = []string{"--tablet_refresh_interval", "10ms", "--enable_buffer", "--buffer_window", loadTestBufferingWindowDurationStr,
-		"--buffer_size", "100000", "--buffer_min_time_between_failovers", "0s", "--buffer_max_failover_duration", loadTestBufferingWindowDurationStr}
+	extraVTGateArgs       = []string{"--tablet_refresh_interval", "10ms", "--enable_buffer", "--buffer_window", loadTestBufferingWindowDuration.String(),
+		"--buffer_size", "250000", "--buffer_min_time_between_failovers", "1s", "--buffer_max_failover_duration", loadTestBufferingWindowDuration.String(),
+		"--buffer_drain_concurrency", "10"}
 	extraVtctldArgs = []string{"--remote_operation_timeout", "600s", "--topo_etcd_lease_ttl", "120"}
 	// This variable can be used within specific tests to alter vttablet behavior
 	extraVTTabletArgs = []string{}
diff --git a/go/test/endtoend/vreplication/helper_test.go b/go/test/endtoend/vreplication/helper_test.go
index 445a15f7767..8c96d06226a 100644
--- a/go/test/endtoend/vreplication/helper_test.go
+++ b/go/test/endtoend/vreplication/helper_test.go
@@ -18,16 +18,17 @@ package vreplication
 
 import (
 	"context"
-	"crypto/rand"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"io"
+	"math/rand"
 	"net/http"
 	"os/exec"
 	"regexp"
 	"sort"
 	"strings"
+	"sync"
 	"sync/atomic"
 	"testing"
 	"time"
@@ -75,9 +76,10 @@ func execQuery(t *testing.T, conn *mysql.Conn, query string) *sqltypes.Result {
 
 func getConnection(t *testing.T, hostname string, port int) *mysql.Conn {
 	vtParams := mysql.ConnParams{
-		Host:  hostname,
-		Port:  port,
-		Uname: "vt_dba",
+		Host:             hostname,
+		Port:             port,
+		Uname:            "vt_dba",
+		ConnectTimeoutMs: 1000,
 	}
 	ctx := context.Background()
 	conn, err := mysql.Connect(ctx, &vtParams)
@@ -714,31 +716,35 @@ func isBinlogRowImageNoBlob(t *testing.T, tablet *cluster.VttabletProcess) bool
 }
 
 const (
-	loadTestBufferingWindowDurationStr = "30s"
-	loadTestPostBufferingInsertWindow  = 60 * time.Second // should be greater than loadTestBufferingWindowDurationStr
-	loadTestWaitForCancel              = 30 * time.Second
-	loadTestWaitBetweenQueries         = 2 * time.Millisecond
+	loadTestBufferingWindowDuration = 10 * time.Second
+	loadTestAvgWaitBetweenQueries   = 500 * time.Microsecond
+	loadTestDefaultConnections      = 100
 )
 
 type loadGenerator struct {
-	t      *testing.T
-	vc     *VitessCluster
-	ctx    context.Context
-	cancel context.CancelFunc
+	t           *testing.T
+	vc          *VitessCluster
+	ctx         context.Context
+	cancel      context.CancelFunc
+	connections int
+	wg          sync.WaitGroup
 }
 
 func newLoadGenerator(t *testing.T, vc *VitessCluster) *loadGenerator {
 	return &loadGenerator{
-		t:  t,
-		vc: vc,
+		t:           t,
+		vc:          vc,
+		connections: loadTestDefaultConnections,
 	}
 }
 
 func (lg *loadGenerator) stop() {
-	time.Sleep(loadTestPostBufferingInsertWindow) // wait for buffering to stop and additional records to be inserted by startLoad after traffic is switched
+	// Wait for buffering to stop and additional records to be inserted by start
+	// after traffic is switched.
+	time.Sleep(loadTestBufferingWindowDuration * 2)
 	log.Infof("Canceling load")
 	lg.cancel()
-	time.Sleep(loadTestWaitForCancel) // wait for cancel to take effect
+	lg.wg.Wait()
 	log.Flush()
 
 }
@@ -746,62 +752,77 @@ func (lg *loadGenerator) stop() {
 func (lg *loadGenerator) start() {
 	t := lg.t
 	lg.ctx, lg.cancel = context.WithCancel(context.Background())
+	var connectionCount atomic.Int64
 
 	var id int64
-	log.Infof("startLoad: starting")
+	log.Infof("loadGenerator: starting")
 	queryTemplate := "insert into loadtest(id, name) values (%d, 'name-%d')"
 	var totalQueries, successfulQueries int64
 	var deniedErrors, ambiguousErrors, reshardedErrors, tableNotFoundErrors, otherErrors int64
+	lg.wg.Add(1)
 	defer func() {
-
-		log.Infof("startLoad: totalQueries: %d, successfulQueries: %d, deniedErrors: %d, ambiguousErrors: %d, reshardedErrors: %d, tableNotFoundErrors: %d, otherErrors: %d",
+		defer lg.wg.Done()
+		log.Infof("loadGenerator: totalQueries: %d, successfulQueries: %d, deniedErrors: %d, ambiguousErrors: %d, reshardedErrors: %d, tableNotFoundErrors: %d, otherErrors: %d",
 			totalQueries, successfulQueries, deniedErrors, ambiguousErrors, reshardedErrors, tableNotFoundErrors, otherErrors)
 	}()
-	logOnce := true
 	for {
 		select {
 		case <-lg.ctx.Done():
-			log.Infof("startLoad: context cancelled")
-			log.Infof("startLoad: deniedErrors: %d, ambiguousErrors: %d, reshardedErrors: %d, tableNotFoundErrors: %d, otherErrors: %d",
+			log.Infof("loadGenerator: context cancelled")
+			log.Infof("loadGenerator: deniedErrors: %d, ambiguousErrors: %d, reshardedErrors: %d, tableNotFoundErrors: %d, otherErrors: %d",
 				deniedErrors, ambiguousErrors, reshardedErrors, tableNotFoundErrors, otherErrors)
 			require.Equal(t, int64(0), deniedErrors)
 			require.Equal(t, int64(0), otherErrors)
+			require.Equal(t, int64(0), reshardedErrors)
 			require.Equal(t, totalQueries, successfulQueries)
 			return
 		default:
-			go func() {
-				conn := vc.GetVTGateConn(t)
-				defer conn.Close()
-				atomic.AddInt64(&id, 1)
-				query := fmt.Sprintf(queryTemplate, id, id)
-				_, err := conn.ExecuteFetch(query, 1, false)
-				atomic.AddInt64(&totalQueries, 1)
-				if err != nil {
-					sqlErr := err.(*sqlerror.SQLError)
-					if strings.Contains(strings.ToLower(err.Error()), "denied tables") {
-						log.Infof("startLoad: denied tables error executing query: %d:%v", sqlErr.Number(), err)
-						atomic.AddInt64(&deniedErrors, 1)
-					} else if strings.Contains(strings.ToLower(err.Error()), "ambiguous") {
-						// this can happen when a second keyspace is setup with the same tables, but there are no routing rules
-						// set yet by MoveTables. So we ignore these errors.
-						atomic.AddInt64(&ambiguousErrors, 1)
-					} else if strings.Contains(strings.ToLower(err.Error()), "current keyspace is being resharded") {
-						atomic.AddInt64(&reshardedErrors, 1)
-					} else if strings.Contains(strings.ToLower(err.Error()), "not found") {
-						atomic.AddInt64(&tableNotFoundErrors, 1)
-					} else {
-						if logOnce {
-							log.Infof("startLoad: error executing query: %d:%v", sqlErr.Number(), err)
-							logOnce = false
+			if int(connectionCount.Load()) < lg.connections {
+				connectionCount.Add(1)
+				lg.wg.Add(1)
+				go func() {
+					defer lg.wg.Done()
+					defer connectionCount.Add(-1)
+					conn := vc.GetVTGateConn(t)
+					defer conn.Close()
+					for {
+						select {
+						case <-lg.ctx.Done():
+							return
+						default:
+						}
+						newID := atomic.AddInt64(&id, 1)
+						query := fmt.Sprintf(queryTemplate, newID, newID)
+						_, err := conn.ExecuteFetch(query, 1, false)
+						atomic.AddInt64(&totalQueries, 1)
+						if err != nil {
+							sqlErr := err.(*sqlerror.SQLError)
+							if strings.Contains(strings.ToLower(err.Error()), "denied tables") {
+								if debugMode {
+									t.Logf("loadGenerator: denied tables error executing query: %d:%v", sqlErr.Number(), err)
+								}
+								atomic.AddInt64(&deniedErrors, 1)
+							} else if strings.Contains(strings.ToLower(err.Error()), "ambiguous") {
+								// This can happen when a second keyspace is setup with the same tables, but
+								// there are no routing rules set yet by MoveTables. So we ignore these errors.
+								atomic.AddInt64(&ambiguousErrors, 1)
+							} else if strings.Contains(strings.ToLower(err.Error()), "current keyspace is being resharded") {
+								atomic.AddInt64(&reshardedErrors, 1)
+							} else if strings.Contains(strings.ToLower(err.Error()), "not found") {
+								atomic.AddInt64(&tableNotFoundErrors, 1)
+							} else {
+								if debugMode {
+									t.Logf("loadGenerator: error executing query: %d:%v", sqlErr.Number(), err)
+								}
+								atomic.AddInt64(&otherErrors, 1)
+							}
+						} else {
+							atomic.AddInt64(&successfulQueries, 1)
 						}
-						atomic.AddInt64(&otherErrors, 1)
+						time.Sleep(time.Duration(int64(float64(loadTestAvgWaitBetweenQueries.Microseconds()) * rand.Float64())))
 					}
-					time.Sleep(loadTestWaitBetweenQueries)
-				} else {
-					atomic.AddInt64(&successfulQueries, 1)
-				}
-			}()
-			time.Sleep(loadTestWaitBetweenQueries)
+				}()
+			}
 		}
 	}
 }
diff --git a/go/test/endtoend/vreplication/movetables_buffering_test.go b/go/test/endtoend/vreplication/movetables_buffering_test.go
index 3171c35e35b..9b9b1c69163 100644
--- a/go/test/endtoend/vreplication/movetables_buffering_test.go
+++ b/go/test/endtoend/vreplication/movetables_buffering_test.go
@@ -2,6 +2,7 @@ package vreplication
 
 import (
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 
@@ -34,8 +35,12 @@ func TestMoveTablesBuffering(t *testing.T) {
 	catchup(t, targetTab2, workflowName, "MoveTables")
 	vdiffSideBySide(t, ksWorkflow, "")
 	waitForLowLag(t, "customer", workflowName)
-	tstWorkflowSwitchReads(t, "", "")
-	tstWorkflowSwitchWrites(t)
+	for i := 0; i < 10; i++ {
+		tstWorkflowSwitchReadsAndWrites(t)
+		time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
+		tstWorkflowReverseReadsAndWrites(t)
+		time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
+	}
 	log.Infof("SwitchWrites done")
 	lg.stop()
 
diff --git a/go/test/endtoend/vreplication/partial_movetables_test.go b/go/test/endtoend/vreplication/partial_movetables_test.go
index 40bb585495e..62d9a0dcafa 100644
--- a/go/test/endtoend/vreplication/partial_movetables_test.go
+++ b/go/test/endtoend/vreplication/partial_movetables_test.go
@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"strings"
 	"testing"
+	"time"
 
 	binlogdatapb "vitess.io/vitess/go/vt/proto/binlogdata"
 
@@ -64,10 +65,12 @@ func testCancel(t *testing.T) {
 	mt.SwitchReadsAndWrites()
 	checkDenyList(targetKeyspace, false)
 	checkDenyList(sourceKeyspace, true)
+	time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
 
 	mt.ReverseReadsAndWrites()
 	checkDenyList(targetKeyspace, true)
 	checkDenyList(sourceKeyspace, false)
+	time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
 
 	mt.Cancel()
 	checkDenyList(targetKeyspace, false)
@@ -108,6 +111,7 @@ func TestPartialMoveTablesBasic(t *testing.T) {
 	// sharded customer keyspace.
 	createMoveTablesWorkflow(t, "customer,loadtest,customer2")
 	tstWorkflowSwitchReadsAndWrites(t)
+	time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
 	tstWorkflowComplete(t)
 
 	emptyGlobalRoutingRules := "{}\n"
@@ -218,6 +222,7 @@ func TestPartialMoveTablesBasic(t *testing.T) {
 	expectedSwitchOutput := fmt.Sprintf("SwitchTraffic was successful for workflow %s.%s\n\nStart State: Reads Not Switched. Writes Not Switched\nCurrent State: Reads partially switched, for shards: %s. Writes partially switched, for shards: %s\n\n",
 		targetKs, wfName, shard, shard)
 	require.Equal(t, expectedSwitchOutput, lastOutput)
+	time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
 
 	// Confirm global routing rules -- everything should still be routed
 	// to the source side, customer, globally.
@@ -296,6 +301,7 @@ func TestPartialMoveTablesBasic(t *testing.T) {
 	expectedSwitchOutput = fmt.Sprintf("SwitchTraffic was successful for workflow %s.%s\n\nStart State: Reads partially switched, for shards: 80-. Writes partially switched, for shards: 80-\nCurrent State: All Reads Switched. All Writes Switched\n\n",
 		targetKs, wfName)
 	require.Equal(t, expectedSwitchOutput, lastOutput)
+	time.Sleep(loadTestBufferingWindowDuration + 1*time.Second)
 
 	// Confirm global routing rules: everything should still be routed
 	// to the source side, customer, globally.
diff --git a/go/vt/discovery/keyspace_events.go b/go/vt/discovery/keyspace_events.go
index 014284ed5ee..9fa457c1589 100644
--- a/go/vt/discovery/keyspace_events.go
+++ b/go/vt/discovery/keyspace_events.go
@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"sync"
 
+	"golang.org/x/sync/errgroup"
 	"google.golang.org/protobuf/proto"
 
 	"vitess.io/vitess/go/vt/key"
@@ -93,18 +94,8 @@ func NewKeyspaceEventWatcher(ctx context.Context, topoServer srvtopo.Server, hc
 	return kew
 }
 
-type MoveTablesStatus int
-
-const (
-	MoveTablesUnknown MoveTablesStatus = iota
-	// MoveTablesSwitching is set when the write traffic is the middle of being switched from the source to the target
-	MoveTablesSwitching
-	// MoveTablesSwitched is set when write traffic has been completely switched to the target
-	MoveTablesSwitched
-)
-
 // keyspaceState is the internal state for all the keyspaces that the KEW is
-// currently watching
+// currently watching.
 type keyspaceState struct {
 	kew      *KeyspaceEventWatcher
 	keyspace string
@@ -120,7 +111,7 @@ type keyspaceState struct {
 	moveTablesState *MoveTablesState
 }
 
-// Format prints the internal state for this keyspace for debug purposes
+// Format prints the internal state for this keyspace for debug purposes.
 func (kss *keyspaceState) Format(f fmt.State, verb rune) {
 	kss.mu.Lock()
 	defer kss.mu.Unlock()
@@ -137,9 +128,9 @@ func (kss *keyspaceState) Format(f fmt.State, verb rune) {
 	fmt.Fprintf(f, "]\n")
 }
 
-// beingResharded returns whether this keyspace is thought to be in the middle of a resharding
-// operation. currentShard is the name of the shard that belongs to this keyspace and which
-// we are trying to access. currentShard can _only_ be a primary shard.
+// beingResharded returns whether this keyspace is thought to be in the middle of a
+// resharding operation. currentShard is the name of the shard that belongs to this
+// keyspace and which we are trying to access. currentShard can _only_ be a primary shard.
 func (kss *keyspaceState) beingResharded(currentShard string) bool {
 	kss.mu.Lock()
 	defer kss.mu.Unlock()
@@ -179,11 +170,19 @@ type shardState struct {
 	currentPrimary       *topodatapb.TabletAlias
 }
 
-// Subscribe returns a channel that will receive any KeyspaceEvents for all keyspaces in the current cell
+// Subscribe returns a channel that will receive any KeyspaceEvents for all keyspaces in the
+// current cell.
 func (kew *KeyspaceEventWatcher) Subscribe() chan *KeyspaceEvent {
 	kew.subsMu.Lock()
 	defer kew.subsMu.Unlock()
-	c := make(chan *KeyspaceEvent, 2)
+	// Use a decent size buffer to:
+	// 1. Avoid blocking the KEW
+	// 2. While not losing/missing any events
+	// 3. And processing them in the order received
+	// TODO: do we care about intermediate events?
+	// If not, then we could instead e.g. pull the first/oldest event
+	// from the channel, discard it, and add the current/latest.
+	c := make(chan *KeyspaceEvent, 10)
 	kew.subs[c] = struct{}{}
 	return c
 }
@@ -195,14 +194,11 @@ func (kew *KeyspaceEventWatcher) Unsubscribe(c chan *KeyspaceEvent) {
 	delete(kew.subs, c)
 }
 
-func (kew *KeyspaceEventWatcher) broadcast(th *KeyspaceEvent) {
+func (kew *KeyspaceEventWatcher) broadcast(ev *KeyspaceEvent) {
 	kew.subsMu.Lock()
 	defer kew.subsMu.Unlock()
 	for c := range kew.subs {
-		select {
-		case c <- th:
-		default:
-		}
+		c <- ev
 	}
 }
 
@@ -240,7 +236,8 @@ func (kew *KeyspaceEventWatcher) run(ctx context.Context) {
 }
 
 // ensureConsistentLocked checks if the current keyspace has recovered from an availability
-// event, and if so, returns information about the availability event to all subscribers
+// event, and if so, returns information about the availability event to all subscribers.
+// Note: you MUST be holding the ks.mu when calling this function.
 func (kss *keyspaceState) ensureConsistentLocked() {
 	// if this keyspace is consistent, there's no ongoing availability event
 	if kss.consistent {
@@ -285,7 +282,8 @@ func (kss *keyspaceState) ensureConsistentLocked() {
 		}
 	}
 
-	// clone the current moveTablesState, if any, to handle race conditions where it can get updated while we're broadcasting
+	// Clone the current moveTablesState, if any, to handle race conditions where it can get
+	// updated while we're broadcasting.
 	var moveTablesState MoveTablesState
 	if kss.moveTablesState != nil {
 		moveTablesState = *kss.moveTablesState
@@ -312,8 +310,8 @@ func (kss *keyspaceState) ensureConsistentLocked() {
 			Serving: sstate.serving,
 		})
 
-		log.Infof("keyspace event resolved: %s/%s is now consistent (serving: %v)",
-			sstate.target.Keyspace, sstate.target.Keyspace,
+		log.Infof("keyspace event resolved: %s is now consistent (serving: %t)",
+			topoproto.KeyspaceShardString(sstate.target.Keyspace, sstate.target.Shard),
 			sstate.serving,
 		)
 
@@ -325,9 +323,10 @@ func (kss *keyspaceState) ensureConsistentLocked() {
 	kss.kew.broadcast(ksevent)
 }
 
-// onHealthCheck is the callback that updates this keyspace with event data from the HealthCheck stream.
-// the HealthCheck stream applies to all the keyspaces in the cluster and emits TabletHealth events to our
-// parent KeyspaceWatcher, which will mux them into their corresponding keyspaceState
+// onHealthCheck is the callback that updates this keyspace with event data from the HealthCheck
+// stream. The HealthCheck stream applies to all the keyspaces in the cluster and emits
+// TabletHealth events to our parent KeyspaceWatcher, which will mux them into their
+// corresponding keyspaceState.
 func (kss *keyspaceState) onHealthCheck(th *TabletHealth) {
 	// we only care about health events on the primary
 	if th.Target.TabletType != topodatapb.TabletType_PRIMARY {
@@ -371,6 +370,17 @@ func (kss *keyspaceState) onHealthCheck(th *TabletHealth) {
 	kss.ensureConsistentLocked()
 }
 
+type MoveTablesStatus int
+
+const (
+	MoveTablesUnknown MoveTablesStatus = iota
+	// MoveTablesSwitching is set when the write traffic is the middle of being switched from
+	// the source to the target.
+	MoveTablesSwitching
+	// MoveTablesSwitched is set when write traffic has been completely switched to the target.
+	MoveTablesSwitched
+)
+
 type MoveTablesType int
 
 const (
@@ -384,33 +394,66 @@ type MoveTablesState struct {
 	State MoveTablesStatus
 }
 
+func (mts MoveTablesState) String() string {
+	var typ, state string
+	switch mts.Typ {
+	case MoveTablesRegular:
+		typ = "Regular"
+	case MoveTablesShardByShard:
+		typ = "ShardByShard"
+	default:
+		typ = "None"
+	}
+	switch mts.State {
+	case MoveTablesSwitching:
+		state = "Switching"
+	case MoveTablesSwitched:
+		state = "Switched"
+	default:
+		state = "Unknown"
+	}
+	return fmt.Sprintf("{Type: %s, State: %s}", typ, state)
+}
+
 func (kss *keyspaceState) getMoveTablesStatus(vs *vschemapb.SrvVSchema) (*MoveTablesState, error) {
 	mtState := &MoveTablesState{
 		Typ:   MoveTablesNone,
 		State: MoveTablesUnknown,
 	}
 
-	// if there are no routing rules defined, then movetables is not in progress, exit early
+	// If there are no routing rules defined, then movetables is not in progress, exit early.
 	if len(vs.GetRoutingRules().GetRules()) == 0 && len(vs.GetShardRoutingRules().GetRules()) == 0 {
 		return mtState, nil
 	}
 
 	shortCtx, cancel := context.WithTimeout(context.Background(), topo.RemoteOperationTimeout)
 	defer cancel()
-	ts, _ := kss.kew.ts.GetTopoServer()
-
-	// collect all current shard information from the topo
+	ts, err := kss.kew.ts.GetTopoServer()
+	if err != nil {
+		return mtState, err
+	}
+	// Collect all current shard information from the topo.
 	var shardInfos []*topo.ShardInfo
+	mu := sync.Mutex{}
+	eg, ectx := errgroup.WithContext(shortCtx)
 	for _, sstate := range kss.shards {
-		si, err := ts.GetShard(shortCtx, kss.keyspace, sstate.target.Shard)
-		if err != nil {
-			return nil, err
-		}
-		shardInfos = append(shardInfos, si)
+		eg.Go(func() error {
+			si, err := ts.GetShard(ectx, kss.keyspace, sstate.target.Shard)
+			if err != nil {
+				return err
+			}
+			mu.Lock()
+			defer mu.Unlock()
+			shardInfos = append(shardInfos, si)
+			return nil
+		})
+	}
+	if err := eg.Wait(); err != nil {
+		return mtState, err
 	}
 
-	// check if any shard has denied tables and if so, record one of these to check where it currently points to
-	// using the (shard) routing rules
+	// Check if any shard has denied tables and if so, record one of these to check where it
+	// currently points to using the (shard) routing rules.
 	var shardsWithDeniedTables []string
 	var oneDeniedTable string
 	for _, si := range shardInfos {
@@ -425,11 +468,11 @@ func (kss *keyspaceState) getMoveTablesStatus(vs *vschemapb.SrvVSchema) (*MoveTa
 		return mtState, nil
 	}
 
-	// check if a shard by shard migration is in progress and if so detect if it has been switched
-	isPartialTables := vs.ShardRoutingRules != nil && len(vs.ShardRoutingRules.Rules) > 0
+	// Check if a shard by shard migration is in progress and if so detect if it has been switched.
+	isPartialTables := vs.GetShardRoutingRules() != nil && len(vs.GetShardRoutingRules().GetRules()) > 0
 
 	if isPartialTables {
-		srr := topotools.GetShardRoutingRulesMap(vs.ShardRoutingRules)
+		srr := topotools.GetShardRoutingRulesMap(vs.GetShardRoutingRules())
 		mtState.Typ = MoveTablesShardByShard
 		mtState.State = MoveTablesSwitched
 		for _, shard := range shardsWithDeniedTables {
@@ -440,31 +483,32 @@ func (kss *keyspaceState) getMoveTablesStatus(vs *vschemapb.SrvVSchema) (*MoveTa
 				break
 			}
 		}
-		log.Infof("getMoveTablesStatus: keyspace %s declaring partial move tables %v", kss.keyspace, mtState)
+		log.Infof("getMoveTablesStatus: keyspace %s declaring partial move tables %s", kss.keyspace, mtState.String())
 		return mtState, nil
 	}
 
-	// it wasn't a shard by shard migration, but since we have denied tables it must be a regular MoveTables
+	// It wasn't a shard by shard migration, but since we have denied tables it must be a
+	// regular MoveTables.
 	mtState.Typ = MoveTablesRegular
 	mtState.State = MoveTablesSwitching
-	rr := topotools.GetRoutingRulesMap(vs.RoutingRules)
+	rr := topotools.GetRoutingRulesMap(vs.GetRoutingRules())
 	if rr != nil {
 		r, ok := rr[oneDeniedTable]
-		// if a rule exists for the table and points to the target keyspace, writes have been switched
+		// If a rule exists for the table and points to the target keyspace, writes have been switched.
 		if ok && len(r) > 0 && r[0] != fmt.Sprintf("%s.%s", kss.keyspace, oneDeniedTable) {
 			mtState.State = MoveTablesSwitched
 			log.Infof("onSrvKeyspace::  keyspace %s writes have been switched for table %s, rule %v", kss.keyspace, oneDeniedTable, r[0])
 		}
 	}
-	log.Infof("getMoveTablesStatus: keyspace %s declaring regular move tables %v", kss.keyspace, mtState)
+	log.Infof("getMoveTablesStatus: keyspace %s declaring regular move tables %s", kss.keyspace, mtState.String())
 
 	return mtState, nil
 }
 
-// onSrvKeyspace is the callback that updates this keyspace with fresh topology data from our topology server.
-// this callback is called from a Watcher in the topo server whenever a change to the topology for this keyspace
-// occurs. this watcher is dedicated to this keyspace, and will only yield topology metadata changes for as
-// long as we're interested on this keyspace.
+// onSrvKeyspace is the callback that updates this keyspace with fresh topology data from our
+// topology server. this callback is called from a Watcher in the topo server whenever a change to
+// the topology for this keyspace occurs. This watcher is dedicated to this keyspace, and will
+// only yield topology metadata changes for as long as we're interested on this keyspace.
 func (kss *keyspaceState) onSrvKeyspace(newKeyspace *topodatapb.SrvKeyspace, newError error) bool {
 	kss.mu.Lock()
 	defer kss.mu.Unlock()
@@ -478,23 +522,25 @@ func (kss *keyspaceState) onSrvKeyspace(newKeyspace *topodatapb.SrvKeyspace, new
 		return false
 	}
 
-	// if there's another kind of error while watching this keyspace, we assume it's temporary and related
-	// to the topology server, not to the keyspace itself. we'll keep waiting for more topology events.
+	// If there's another kind of error while watching this keyspace, we assume it's temporary and
+	// related to the topology server, not to the keyspace itself. we'll keep waiting for more
+	// topology events.
 	if newError != nil {
 		kss.lastError = newError
 		log.Errorf("error while watching keyspace %q: %v", kss.keyspace, newError)
 		return true
 	}
 
-	// if the topology metadata for our keyspace is identical to the last one we saw there's nothing to do
-	// here. this is a side-effect of the way ETCD watchers work.
+	// If the topology metadata for our keyspace is identical to the last one we saw there's nothing to
+	// do here. this is a side-effect of the way ETCD watchers work.
 	if proto.Equal(kss.lastKeyspace, newKeyspace) {
 		// no changes
 		return true
 	}
 
-	// we only mark this keyspace as inconsistent if there has been a topology change in the PRIMARY for
-	// this keyspace, but we store the topology metadata for both primary and replicas for future-proofing.
+	// we only mark this keyspace as inconsistent if there has been a topology change in the PRIMARY
+	// for this keyspace, but we store the topology metadata for both primary and replicas for
+	// future-proofing.
 	var oldPrimary, newPrimary *topodatapb.SrvKeyspace_KeyspacePartition
 	if kss.lastKeyspace != nil {
 		oldPrimary = topoproto.SrvKeyspaceGetPartition(kss.lastKeyspace, topodatapb.TabletType_PRIMARY)
@@ -525,20 +571,24 @@ func (kss *keyspaceState) isServing() bool {
 
 // onSrvVSchema is called from a Watcher in the topo server whenever the SrvVSchema is updated by Vitess.
 // For the purposes here, we are interested in updates to the RoutingRules or ShardRoutingRules.
-// In addition, the traffic switcher updates SrvVSchema when the DeniedTables attributes in a Shard record is
-// modified.
+// In addition, the traffic switcher updates SrvVSchema when the DeniedTables attributes in a Shard
+// record is modified.
 func (kss *keyspaceState) onSrvVSchema(vs *vschemapb.SrvVSchema, err error) bool {
-	// the vschema can be nil if the server is currently shutting down
+	// The vschema can be nil if the server is currently shutting down.
 	if vs == nil {
 		return true
 	}
 
 	kss.mu.Lock()
 	defer kss.mu.Unlock()
-	kss.moveTablesState, _ = kss.getMoveTablesStatus(vs)
+	var kerr error
+	if kss.moveTablesState, kerr = kss.getMoveTablesStatus(vs); err != nil {
+		log.Errorf("onSrvVSchema: keyspace %s failed to get move tables status: %v", kss.keyspace, kerr)
+	}
 	if kss.moveTablesState != nil && kss.moveTablesState.Typ != MoveTablesNone {
-		// mark the keyspace as inconsistent. ensureConsistentLocked() checks if the workflow is switched,
-		// and if so, it will send an event to the buffering subscribers to indicate that buffering can be stopped.
+		// Mark the keyspace as inconsistent. ensureConsistentLocked() checks if the workflow is
+		// switched, and if so, it will send an event to the buffering subscribers to indicate that
+		// buffering can be stopped.
 		kss.consistent = false
 		kss.ensureConsistentLocked()
 	}
@@ -560,8 +610,9 @@ func newKeyspaceState(ctx context.Context, kew *KeyspaceEventWatcher, cell, keys
 	return kss
 }
 
-// processHealthCheck is the callback that is called by the global HealthCheck stream that was initiated
-// by this KeyspaceEventWatcher. it redirects the TabletHealth event to the corresponding keyspaceState
+// processHealthCheck is the callback that is called by the global HealthCheck stream that was
+// initiated by this KeyspaceEventWatcher. It redirects the TabletHealth event to the
+// corresponding keyspaceState.
 func (kew *KeyspaceEventWatcher) processHealthCheck(ctx context.Context, th *TabletHealth) {
 	kss := kew.getKeyspaceStatus(ctx, th.Target.Keyspace)
 	if kss == nil {
@@ -571,8 +622,8 @@ func (kew *KeyspaceEventWatcher) processHealthCheck(ctx context.Context, th *Tab
 	kss.onHealthCheck(th)
 }
 
-// getKeyspaceStatus returns the keyspaceState object for the corresponding keyspace, allocating it
-// if we've never seen the keyspace before.
+// getKeyspaceStatus returns the keyspaceState object for the corresponding keyspace, allocating
+// it if we've never seen the keyspace before.
 func (kew *KeyspaceEventWatcher) getKeyspaceStatus(ctx context.Context, keyspace string) *keyspaceState {
 	kew.mu.Lock()
 	defer kew.mu.Unlock()
@@ -612,15 +663,15 @@ func (kew *KeyspaceEventWatcher) TargetIsBeingResharded(ctx context.Context, tar
 }
 
 // PrimaryIsNotServing checks if the reason why the given target is not accessible right now is
-// that the primary tablet for that shard is not serving. This is possible during a Planned Reparent Shard
-// operation. Just as the operation completes, a new primary will be elected, and it will send its own healthcheck
-// stating that it is serving. We should buffer requests until that point.
-// There are use cases where people do not run with a Primary server at all, so we must verify that
-// we only start buffering when a primary was present, and it went not serving.
-// The shard state keeps track of the current primary and the last externally reparented time, which we can use
-// to determine that there was a serving primary which now became non serving. This is only possible in a DemotePrimary
-// RPC which are only called from ERS and PRS. So buffering will stop when these operations succeed.
-// We return the tablet alias of the primary if it is serving.
+// that the primary tablet for that shard is not serving. This is possible during a Planned
+// Reparent Shard operation. Just as the operation completes, a new primary will be elected, and
+// it will send its own healthcheck stating that it is serving. We should buffer requests until
+// that point. There are use cases where people do not run with a Primary server at all, so we must
+// verify that we only start buffering when a primary was present, and it went not serving.
+// The shard state keeps track of the current primary and the last externally reparented time, which
+// we can use to determine that there was a serving primary which now became non serving. This is
+// only possible in a DemotePrimary RPC which are only called from ERS and PRS. So buffering will
+// stop when these operations succeed. We return the tablet alias of the primary if it is serving.
 func (kew *KeyspaceEventWatcher) PrimaryIsNotServing(ctx context.Context, target *querypb.Target) (*topodatapb.TabletAlias, bool) {
 	if target.TabletType != topodatapb.TabletType_PRIMARY {
 		return nil, false
@@ -632,7 +683,8 @@ func (kew *KeyspaceEventWatcher) PrimaryIsNotServing(ctx context.Context, target
 	ks.mu.Lock()
 	defer ks.mu.Unlock()
 	if state, ok := ks.shards[target.Shard]; ok {
-		// If the primary tablet was present then externallyReparented will be non-zero and currentPrimary will be not nil
+		// If the primary tablet was present then externallyReparented will be non-zero and
+		// currentPrimary will be not nil.
 		return state.currentPrimary, !state.serving && !ks.consistent && state.externallyReparented != 0 && state.currentPrimary != nil
 	}
 	return nil, false
diff --git a/go/vt/discovery/keyspace_events_test.go b/go/vt/discovery/keyspace_events_test.go
index 43af4bf49de..e9406ff1de2 100644
--- a/go/vt/discovery/keyspace_events_test.go
+++ b/go/vt/discovery/keyspace_events_test.go
@@ -19,6 +19,8 @@ package discovery
 import (
 	"context"
 	"encoding/hex"
+	"sync"
+	"sync/atomic"
 	"testing"
 	"time"
 
@@ -60,6 +62,67 @@ func TestSrvKeyspaceWithNilNewKeyspace(t *testing.T) {
 	require.True(t, kss.onSrvKeyspace(nil, nil))
 }
 
+// TestKeyspaceEventConcurrency confirms that the keyspace event watcher
+// does not fail to broadcast received keyspace events to subscribers.
+// This verifies that no events are lost when there's a high number of
+// concurrent keyspace events.
+func TestKeyspaceEventConcurrency(t *testing.T) {
+	cell := "cell1"
+	factory := faketopo.NewFakeTopoFactory()
+	factory.AddCell(cell)
+	sts := &fakeTopoServer{}
+	hc := NewFakeHealthCheck(make(chan *TabletHealth))
+	defer hc.Close()
+	kew := &KeyspaceEventWatcher{
+		hc:        hc,
+		ts:        sts,
+		localCell: cell,
+		keyspaces: make(map[string]*keyspaceState),
+		subs:      make(map[chan *KeyspaceEvent]struct{}),
+	}
+
+	// Subscribe to the watcher's broadcasted keyspace events.
+	receiver := kew.Subscribe()
+
+	updates := atomic.Uint32{}
+	updates.Store(0)
+	wg := sync.WaitGroup{}
+	concurrency := 100
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	go func() {
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-receiver:
+				updates.Add(1)
+			}
+		}
+	}()
+	// Start up concurent go-routines that will broadcast keyspace events.
+	for i := 1; i <= concurrency; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			kew.broadcast(&KeyspaceEvent{})
+		}()
+	}
+	wg.Wait()
+	for {
+		select {
+		case <-ctx.Done():
+			require.Equal(t, concurrency, int(updates.Load()), "expected %d updates, got %d", concurrency, updates.Load())
+			return
+		default:
+			if int(updates.Load()) == concurrency { // Pass
+				cancel()
+				return
+			}
+		}
+	}
+}
+
 // TestKeyspaceEventTypes confirms that the keyspace event watcher determines
 // that the unavailability event is caused by the correct scenario. We should
 // consider it to be caused by a resharding operation when the following
@@ -309,6 +372,26 @@ func (f *fakeTopoServer) GetSrvKeyspace(ctx context.Context, cell, keyspace stri
 	return ks, nil
 }
 
+// GetSrvVSchema returns the SrvVSchema for a cell.
+func (f *fakeTopoServer) GetSrvVSchema(ctx context.Context, cell string) (*vschemapb.SrvVSchema, error) {
+	vs := &vschemapb.SrvVSchema{
+		Keyspaces: map[string]*vschemapb.Keyspace{
+			"ks1": {
+				Sharded: true,
+			},
+		},
+		RoutingRules: &vschemapb.RoutingRules{
+			Rules: []*vschemapb.RoutingRule{
+				{
+					FromTable: "db1.t1",
+					ToTables:  []string{"db1.t1"},
+				},
+			},
+		},
+	}
+	return vs, nil
+}
+
 func (f *fakeTopoServer) WatchSrvKeyspace(ctx context.Context, cell, keyspace string, callback func(*topodatapb.SrvKeyspace, error) bool) {
 	ks, err := f.GetSrvKeyspace(ctx, cell, keyspace)
 	callback(ks, err)
@@ -318,5 +401,6 @@ func (f *fakeTopoServer) WatchSrvKeyspace(ctx context.Context, cell, keyspace st
 // the provided cell.  It will call the callback when
 // a new value or an error occurs.
 func (f *fakeTopoServer) WatchSrvVSchema(ctx context.Context, cell string, callback func(*vschemapb.SrvVSchema, error) bool) {
-
+	sv, err := f.GetSrvVSchema(ctx, cell)
+	callback(sv, err)
 }
diff --git a/go/vt/srvtopo/watch_srvvschema.go b/go/vt/srvtopo/watch_srvvschema.go
index 1b5536e623d..c758211375d 100644
--- a/go/vt/srvtopo/watch_srvvschema.go
+++ b/go/vt/srvtopo/watch_srvvschema.go
@@ -21,8 +21,9 @@ import (
 	"time"
 
 	"vitess.io/vitess/go/stats"
-	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
 	"vitess.io/vitess/go/vt/topo"
+
+	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
 )
 
 type SrvVSchemaWatcher struct {
diff --git a/go/vt/topo/etcd2topo/watch.go b/go/vt/topo/etcd2topo/watch.go
index cdc9be44b21..2fc58d437ff 100644
--- a/go/vt/topo/etcd2topo/watch.go
+++ b/go/vt/topo/etcd2topo/watch.go
@@ -51,7 +51,7 @@ func (s *Server) Watch(ctx context.Context, filePath string) (*topo.WatchData, <
 	}
 	wd := &topo.WatchData{
 		Contents: initial.Kvs[0].Value,
-		Version:  EtcdVersion(initial.Kvs[0].ModRevision),
+		Version:  EtcdVersion(initial.Kvs[0].Version),
 	}
 
 	// Create an outer context that will be canceled on return and will cancel all inner watches.
@@ -76,7 +76,7 @@ func (s *Server) Watch(ctx context.Context, filePath string) (*topo.WatchData, <
 		defer close(notifications)
 		defer outerCancel()
 
-		var currVersion = initial.Header.Revision
+		var rev = initial.Header.Revision
 		var watchRetries int
 		for {
 			select {
@@ -107,9 +107,9 @@ func (s *Server) Watch(ctx context.Context, filePath string) (*topo.WatchData, <
 					// Cancel inner context on retry and create new one.
 					watchCancel()
 					watchCtx, watchCancel = context.WithCancel(ctx)
-					newWatcher := s.cli.Watch(watchCtx, nodePath, clientv3.WithRev(currVersion))
+					newWatcher := s.cli.Watch(watchCtx, nodePath, clientv3.WithRev(rev))
 					if newWatcher == nil {
-						log.Warningf("watch %v failed and get a nil channel returned, currVersion: %v", nodePath, currVersion)
+						log.Warningf("watch %v failed and get a nil channel returned, rev: %v", nodePath, rev)
 					} else {
 						watcher = newWatcher
 					}
@@ -126,7 +126,7 @@ func (s *Server) Watch(ctx context.Context, filePath string) (*topo.WatchData, <
 					return
 				}
 
-				currVersion = wresp.Header.GetRevision()
+				rev = wresp.Header.GetRevision()
 
 				for _, ev := range wresp.Events {
 					switch ev.Type {
@@ -174,7 +174,7 @@ func (s *Server) WatchRecursive(ctx context.Context, dirpath string) ([]*topo.Wa
 		var wd topo.WatchDataRecursive
 		wd.Path = string(kv.Key)
 		wd.Contents = kv.Value
-		wd.Version = EtcdVersion(initial.Kvs[0].ModRevision)
+		wd.Version = EtcdVersion(initial.Kvs[0].Version)
 		initialwd = append(initialwd, &wd)
 	}
 
@@ -200,7 +200,7 @@ func (s *Server) WatchRecursive(ctx context.Context, dirpath string) ([]*topo.Wa
 		defer close(notifications)
 		defer outerCancel()
 
-		var currVersion = initial.Header.Revision
+		var rev = initial.Header.Revision
 		var watchRetries int
 		for {
 			select {
@@ -228,9 +228,9 @@ func (s *Server) WatchRecursive(ctx context.Context, dirpath string) ([]*topo.Wa
 					watchCancel()
 					watchCtx, watchCancel = context.WithCancel(ctx)
 
-					newWatcher := s.cli.Watch(watchCtx, nodePath, clientv3.WithRev(currVersion), clientv3.WithPrefix())
+					newWatcher := s.cli.Watch(watchCtx, nodePath, clientv3.WithRev(rev), clientv3.WithPrefix())
 					if newWatcher == nil {
-						log.Warningf("watch %v failed and get a nil channel returned, currVersion: %v", nodePath, currVersion)
+						log.Warningf("watch %v failed and get a nil channel returned, rev: %v", nodePath, rev)
 					} else {
 						watcher = newWatcher
 					}
@@ -247,7 +247,7 @@ func (s *Server) WatchRecursive(ctx context.Context, dirpath string) ([]*topo.Wa
 					return
 				}
 
-				currVersion = wresp.Header.GetRevision()
+				rev = wresp.Header.GetRevision()
 
 				for _, ev := range wresp.Events {
 					switch ev.Type {
diff --git a/go/vt/vtctl/workflow/server.go b/go/vt/vtctl/workflow/server.go
index 43d1f1a2b05..3f6297d345f 100644
--- a/go/vt/vtctl/workflow/server.go
+++ b/go/vt/vtctl/workflow/server.go
@@ -2891,7 +2891,9 @@ func (s *Server) WorkflowSwitchTraffic(ctx context.Context, req *vtctldatapb.Wor
 		return nil, err
 	}
 	if hasReplica || hasRdonly {
-		if rdDryRunResults, err = s.switchReads(ctx, req, ts, startState, timeout, false, direction); err != nil {
+		// If we're going to switch writes immediately after then we don't need to
+		// rebuild the SrvVSchema here as we will do it after switching writes.
+		if rdDryRunResults, err = s.switchReads(ctx, req, ts, startState, !hasPrimary /* rebuildSrvVSchema */, direction); err != nil {
 			return nil, err
 		}
 		log.Infof("Switch Reads done for workflow %s.%s", req.Keyspace, req.Workflow)
@@ -2945,7 +2947,7 @@ func (s *Server) WorkflowSwitchTraffic(ctx context.Context, req *vtctldatapb.Wor
 }
 
 // switchReads is a generic way of switching read traffic for a workflow.
-func (s *Server) switchReads(ctx context.Context, req *vtctldatapb.WorkflowSwitchTrafficRequest, ts *trafficSwitcher, state *State, timeout time.Duration, cancel bool, direction TrafficSwitchDirection) (*[]string, error) {
+func (s *Server) switchReads(ctx context.Context, req *vtctldatapb.WorkflowSwitchTrafficRequest, ts *trafficSwitcher, state *State, rebuildSrvVSchema bool, direction TrafficSwitchDirection) (*[]string, error) {
 	var roTabletTypes []topodatapb.TabletType
 	// When we are switching all traffic we also get the primary tablet type, which we need to
 	// filter out for switching reads.
@@ -3032,7 +3034,7 @@ func (s *Server) switchReads(ctx context.Context, req *vtctldatapb.WorkflowSwitc
 	if ts.MigrationType() == binlogdatapb.MigrationType_TABLES {
 		if ts.isPartialMigration {
 			ts.Logger().Infof("Partial migration, skipping switchTableReads as traffic is all or nothing per shard and overridden for reads AND writes in the ShardRoutingRule created when switching writes.")
-		} else if err := sw.switchTableReads(ctx, req.Cells, roTabletTypes, direction); err != nil {
+		} else if err := sw.switchTableReads(ctx, req.Cells, roTabletTypes, rebuildSrvVSchema, direction); err != nil {
 			return handleError("failed to switch read traffic for the tables", err)
 		}
 		return sw.logs(), nil
diff --git a/go/vt/vtctl/workflow/switcher.go b/go/vt/vtctl/workflow/switcher.go
index 0cbdce164dc..d7690458439 100644
--- a/go/vt/vtctl/workflow/switcher.go
+++ b/go/vt/vtctl/workflow/switcher.go
@@ -66,8 +66,8 @@ func (r *switcher) switchShardReads(ctx context.Context, cells []string, servedT
 	return r.ts.switchShardReads(ctx, cells, servedTypes, direction)
 }
 
-func (r *switcher) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, direction TrafficSwitchDirection) error {
-	return r.ts.switchTableReads(ctx, cells, servedTypes, direction)
+func (r *switcher) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, rebuildSrvVSchema bool, direction TrafficSwitchDirection) error {
+	return r.ts.switchTableReads(ctx, cells, servedTypes, rebuildSrvVSchema, direction)
 }
 
 func (r *switcher) startReverseVReplication(ctx context.Context) error {
diff --git a/go/vt/vtctl/workflow/switcher_dry_run.go b/go/vt/vtctl/workflow/switcher_dry_run.go
index 1c8a05e00c2..60213194071 100644
--- a/go/vt/vtctl/workflow/switcher_dry_run.go
+++ b/go/vt/vtctl/workflow/switcher_dry_run.go
@@ -76,7 +76,7 @@ func (dr *switcherDryRun) switchShardReads(ctx context.Context, cells []string,
 	return nil
 }
 
-func (dr *switcherDryRun) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, direction TrafficSwitchDirection) error {
+func (dr *switcherDryRun) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, rebuildSrvVSchema bool, direction TrafficSwitchDirection) error {
 	ks := dr.ts.TargetKeyspaceName()
 	if direction == DirectionBackward {
 		ks = dr.ts.SourceKeyspaceName()
@@ -88,6 +88,9 @@ func (dr *switcherDryRun) switchTableReads(ctx context.Context, cells []string,
 	tables := strings.Join(dr.ts.Tables(), ",")
 	dr.drLog.Logf("Switch reads for tables [%s] to keyspace %s for tablet types [%s]", tables, ks, strings.Join(tabletTypes, ","))
 	dr.drLog.Logf("Routing rules for tables [%s] will be updated", tables)
+	if rebuildSrvVSchema {
+		dr.drLog.Logf("Serving VSchema will be rebuilt for the %s keyspace", ks)
+	}
 	return nil
 }
 
diff --git a/go/vt/vtctl/workflow/switcher_interface.go b/go/vt/vtctl/workflow/switcher_interface.go
index 8d0f9e847be..9af9ff49f2f 100644
--- a/go/vt/vtctl/workflow/switcher_interface.go
+++ b/go/vt/vtctl/workflow/switcher_interface.go
@@ -36,7 +36,7 @@ type iswitcher interface {
 	changeRouting(ctx context.Context) error
 	streamMigraterfinalize(ctx context.Context, ts *trafficSwitcher, workflows []string) error
 	startReverseVReplication(ctx context.Context) error
-	switchTableReads(ctx context.Context, cells []string, servedType []topodatapb.TabletType, direction TrafficSwitchDirection) error
+	switchTableReads(ctx context.Context, cells []string, servedType []topodatapb.TabletType, rebuildSrvVSchema bool, direction TrafficSwitchDirection) error
 	switchShardReads(ctx context.Context, cells []string, servedType []topodatapb.TabletType, direction TrafficSwitchDirection) error
 	validateWorkflowHasCompleted(ctx context.Context) error
 	removeSourceTables(ctx context.Context, removalType TableRemovalType) error
diff --git a/go/vt/vtctl/workflow/traffic_switcher.go b/go/vt/vtctl/workflow/traffic_switcher.go
index a102c3162f3..66bae0942d0 100644
--- a/go/vt/vtctl/workflow/traffic_switcher.go
+++ b/go/vt/vtctl/workflow/traffic_switcher.go
@@ -573,7 +573,7 @@ func (ts *trafficSwitcher) switchShardReads(ctx context.Context, cells []string,
 	return nil
 }
 
-func (ts *trafficSwitcher) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, direction TrafficSwitchDirection) error {
+func (ts *trafficSwitcher) switchTableReads(ctx context.Context, cells []string, servedTypes []topodatapb.TabletType, rebuildSrvVSchema bool, direction TrafficSwitchDirection) error {
 	log.Infof("switchTableReads: cells: %s, tablet types: %+v, direction %d", strings.Join(cells, ","), servedTypes, direction)
 	rules, err := topotools.GetRoutingRules(ctx, ts.TopoServer())
 	if err != nil {
@@ -605,7 +605,10 @@ func (ts *trafficSwitcher) switchTableReads(ctx context.Context, cells []string,
 	if err := topotools.SaveRoutingRules(ctx, ts.TopoServer(), rules); err != nil {
 		return err
 	}
-	return ts.TopoServer().RebuildSrvVSchema(ctx, cells)
+	if rebuildSrvVSchema {
+		return ts.TopoServer().RebuildSrvVSchema(ctx, cells)
+	}
+	return nil
 }
 
 func (ts *trafficSwitcher) startReverseVReplication(ctx context.Context) error {
diff --git a/go/vt/vtgate/buffer/buffer.go b/go/vt/vtgate/buffer/buffer.go
index 622bb03b082..260fb272544 100644
--- a/go/vt/vtgate/buffer/buffer.go
+++ b/go/vt/vtgate/buffer/buffer.go
@@ -164,6 +164,10 @@ func New(cfg *Config) *Buffer {
 	}
 }
 
+func (b *Buffer) GetConfig() *Config {
+	return b.config
+}
+
 // WaitForFailoverEnd blocks until a pending buffering due to a failover for
 // keyspace/shard is over.
 // If there is no ongoing failover, "err" is checked. If it's caused by a
diff --git a/go/vt/vtgate/buffer/flags.go b/go/vt/vtgate/buffer/flags.go
index a17cc09ccc3..19f30c64ed8 100644
--- a/go/vt/vtgate/buffer/flags.go
+++ b/go/vt/vtgate/buffer/flags.go
@@ -70,6 +70,9 @@ func verifyFlags() error {
 	if bufferSize < 1 {
 		return fmt.Errorf("--buffer_size must be >= 1 (specified value: %d)", bufferSize)
 	}
+	if bufferMinTimeBetweenFailovers < 1*time.Second {
+		return fmt.Errorf("--buffer_min_time_between_failovers must be >= 1s (specified value: %v)", bufferMinTimeBetweenFailovers)
+	}
 
 	if bufferDrainConcurrency < 1 {
 		return fmt.Errorf("--buffer_drain_concurrency must be >= 1 (specified value: %d)", bufferDrainConcurrency)
diff --git a/go/vt/vtgate/buffer/shard_buffer.go b/go/vt/vtgate/buffer/shard_buffer.go
index ae33aabb399..a58b86f670a 100644
--- a/go/vt/vtgate/buffer/shard_buffer.go
+++ b/go/vt/vtgate/buffer/shard_buffer.go
@@ -24,14 +24,13 @@ import (
 	"time"
 
 	"vitess.io/vitess/go/vt/discovery"
-
-	"vitess.io/vitess/go/vt/vtgate/errorsanitizer"
-
 	"vitess.io/vitess/go/vt/log"
 	"vitess.io/vitess/go/vt/logutil"
-	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 	"vitess.io/vitess/go/vt/topo/topoproto"
 	"vitess.io/vitess/go/vt/vterrors"
+	"vitess.io/vitess/go/vt/vtgate/errorsanitizer"
+
+	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 )
 
 // bufferState represents the different states a shardBuffer object can be in.
diff --git a/go/vt/vtgate/executor_test.go b/go/vt/vtgate/executor_test.go
index 2d3a82f0b9b..319c2507d13 100644
--- a/go/vt/vtgate/executor_test.go
+++ b/go/vt/vtgate/executor_test.go
@@ -1408,7 +1408,7 @@ func TestExecutorAlterVSchemaKeyspace(t *testing.T) {
 	session := NewSafeSession(&vtgatepb.Session{TargetString: "@primary", Autocommit: true})
 
 	vschemaUpdates := make(chan *vschemapb.SrvVSchema, 2)
-	executor.serv.WatchSrvVSchema(ctx, "aa", func(vschema *vschemapb.SrvVSchema, err error) bool {
+	executor.serv.WatchSrvVSchema(ctx, executor.cell, func(vschema *vschemapb.SrvVSchema, err error) bool {
 		vschemaUpdates <- vschema
 		return true
 	})
diff --git a/go/vt/vtgate/executor_vschema_ddl_test.go b/go/vt/vtgate/executor_vschema_ddl_test.go
index 1c2813a33c4..1c912ed0d62 100644
--- a/go/vt/vtgate/executor_vschema_ddl_test.go
+++ b/go/vt/vtgate/executor_vschema_ddl_test.go
@@ -17,26 +17,23 @@ limitations under the License.
 package vtgate
 
 import (
-	"context"
 	"reflect"
 	"slices"
 	"testing"
 	"time"
 
-	"vitess.io/vitess/go/test/utils"
-
-	"vitess.io/vitess/go/vt/callerid"
-	querypb "vitess.io/vitess/go/vt/proto/query"
-	vtrpcpb "vitess.io/vitess/go/vt/proto/vtrpc"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	"vitess.io/vitess/go/sqltypes"
+	"vitess.io/vitess/go/test/utils"
+	"vitess.io/vitess/go/vt/callerid"
 	"vitess.io/vitess/go/vt/vtgate/vschemaacl"
 
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
+	querypb "vitess.io/vitess/go/vt/proto/query"
 	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
 	vtgatepb "vitess.io/vitess/go/vt/proto/vtgate"
+	vtrpcpb "vitess.io/vitess/go/vt/proto/vtrpc"
 )
 
 func waitForVindex(t *testing.T, ks, name string, watch chan *vschemapb.SrvVSchema, executor *Executor) (*vschemapb.SrvVSchema, *vschemapb.Vindex) {
@@ -426,9 +423,7 @@ func TestExecutorDropSequenceDDL(t *testing.T) {
 	_, err = executor.Execute(ctx, nil, "TestExecute", session, stmt, nil)
 	require.NoError(t, err)
 
-	ctxWithTimeout, cancel := context.WithTimeout(ctx, 5*time.Second)
-	defer cancel()
-	if !waitForNewerVSchema(ctxWithTimeout, executor, ts) {
+	if !waitForNewerVSchema(ctx, executor, ts, 5*time.Second) {
 		t.Fatalf("vschema did not drop the sequene 'test_seq'")
 	}
 
@@ -464,9 +459,7 @@ func TestExecutorDropAutoIncDDL(t *testing.T) {
 	stmt = "alter vschema on test_table add auto_increment id using `db-name`.`test_seq`"
 	_, err = executor.Execute(ctx, nil, "TestExecute", session, stmt, nil)
 	require.NoError(t, err)
-	ctxWithTimeout, cancel := context.WithTimeout(ctx, 5*time.Second)
-	defer cancel()
-	if !waitForNewerVSchema(ctxWithTimeout, executor, ts) {
+	if !waitForNewerVSchema(ctx, executor, ts, 5*time.Second) {
 		t.Fatalf("vschema did not update with auto_increment for 'test_table'")
 	}
 	ts = executor.VSchema().GetCreated()
@@ -480,9 +473,7 @@ func TestExecutorDropAutoIncDDL(t *testing.T) {
 	_, err = executor.Execute(ctx, nil, "TestExecute", session, stmt, nil)
 	require.NoError(t, err)
 
-	ctxWithTimeout, cancel2 := context.WithTimeout(ctx, 5*time.Second)
-	defer cancel2()
-	if !waitForNewerVSchema(ctxWithTimeout, executor, ts) {
+	if !waitForNewerVSchema(ctx, executor, ts, 5*time.Second) {
 		t.Fatalf("vschema did not drop the auto_increment for 'test_table'")
 	}
 	if executor.vm.GetCurrentSrvVschema().Keyspaces[ks].Tables["test_table"].AutoIncrement != nil {
diff --git a/go/vt/vtgate/plan_execute.go b/go/vt/vtgate/plan_execute.go
index 5d2414ac275..73ad109ef37 100644
--- a/go/vt/vtgate/plan_execute.go
+++ b/go/vt/vtgate/plan_execute.go
@@ -24,20 +24,20 @@ import (
 
 	"vitess.io/vitess/go/sqltypes"
 	"vitess.io/vitess/go/vt/log"
-	querypb "vitess.io/vitess/go/vt/proto/query"
-	vtrpcpb "vitess.io/vitess/go/vt/proto/vtrpc"
 	"vitess.io/vitess/go/vt/sqlparser"
 	"vitess.io/vitess/go/vt/vterrors"
 	"vitess.io/vitess/go/vt/vtgate/engine"
 	"vitess.io/vitess/go/vt/vtgate/logstats"
 	"vitess.io/vitess/go/vt/vtgate/vtgateservice"
+
+	querypb "vitess.io/vitess/go/vt/proto/query"
+	vtrpcpb "vitess.io/vitess/go/vt/proto/vtrpc"
 )
 
 type planExec func(ctx context.Context, plan *engine.Plan, vc *vcursorImpl, bindVars map[string]*querypb.BindVariable, startTime time.Time) error
 type txResult func(sqlparser.StatementType, *sqltypes.Result) error
 
-func waitForNewerVSchema(ctx context.Context, e *Executor, lastVSchemaCreated time.Time) bool {
-	timeout := 30 * time.Second
+func waitForNewerVSchema(ctx context.Context, e *Executor, lastVSchemaCreated time.Time, timeout time.Duration) bool {
 	pollingInterval := 10 * time.Millisecond
 	waitCtx, cancel := context.WithTimeout(ctx, timeout)
 	ticker := time.NewTicker(pollingInterval)
@@ -48,7 +48,7 @@ func waitForNewerVSchema(ctx context.Context, e *Executor, lastVSchemaCreated ti
 		case <-waitCtx.Done():
 			return false
 		case <-ticker.C:
-			if e.VSchema().GetCreated().After(lastVSchemaCreated) {
+			if e.VSchema() != nil && e.VSchema().GetCreated().After(lastVSchemaCreated) {
 				return true
 			}
 		}
@@ -64,11 +64,11 @@ func (e *Executor) newExecute(
 	logStats *logstats.LogStats,
 	execPlan planExec, // used when there is a plan to execute
 	recResult txResult, // used when it's something simple like begin/commit/rollback/savepoint
-) error {
-	// 1: Prepare before planning and execution
+) (err error) {
+	// 1: Prepare before planning and execution.
 
 	// Start an implicit transaction if necessary.
-	err := e.startTxIfNecessary(ctx, safeSession)
+	err = e.startTxIfNecessary(ctx, safeSession)
 	if err != nil {
 		return err
 	}
@@ -79,21 +79,35 @@ func (e *Executor) newExecute(
 
 	query, comments := sqlparser.SplitMarginComments(sql)
 
-	// 2: Parse and Validate query
+	// 2: Parse and Validate query.
 	stmt, reservedVars, err := parseAndValidateQuery(query)
 	if err != nil {
 		return err
 	}
 
-	var lastVSchemaCreated time.Time
-	vs := e.VSchema()
-	lastVSchemaCreated = vs.GetCreated()
+	var (
+		vs                 = e.VSchema()
+		lastVSchemaCreated = vs.GetCreated()
+		result             *sqltypes.Result
+		plan               *engine.Plan
+	)
+
 	for try := 0; try < MaxBufferingRetries; try++ {
-		if try > 0 && !vs.GetCreated().After(lastVSchemaCreated) {
-			// There is a race due to which the executor's vschema may not have been updated yet.
-			// Without a wait we fail non-deterministically since the previous vschema will not have the updated routing rules
-			if waitForNewerVSchema(ctx, e, lastVSchemaCreated) {
+		if try > 0 && !vs.GetCreated().After(lastVSchemaCreated) { // We need to wait for a vschema update
+			// Without a wait we fail non-deterministically since the previous vschema will not have
+			// the updated routing rules.
+			// We retry MaxBufferingRetries-1 (2) times before giving up. How long we wait before each retry
+			// -- IF we don't see a newer vschema come in -- affects how long we retry in total and how quickly
+			// we retry the query and (should) succeed when the traffic switch fails or we otherwise hit the
+			// max buffer failover time without resolving the keyspace event and marking it as consistent.
+			// This calculation attemps to ensure that we retry at a sensible interval and number of times
+			// based on the buffering configuration. This way we should be able to perform the max retries
+			// within the given window of time for most queries and we should not end up waiting too long
+			// after the traffic switch fails or the buffer window has ended, retrying old queries.
+			timeout := e.resolver.scatterConn.gateway.buffer.GetConfig().MaxFailoverDuration / (MaxBufferingRetries - 1)
+			if waitForNewerVSchema(ctx, e, lastVSchemaCreated, timeout) {
 				vs = e.VSchema()
+				lastVSchemaCreated = vs.GetCreated()
 			}
 		}
 
@@ -102,16 +116,13 @@ func (e *Executor) newExecute(
 			return err
 		}
 
-		// 3: Create a plan for the query
+		// 3: Create a plan for the query.
 		// If we are retrying, it is likely that the routing rules have changed and hence we need to
 		// replan the query since the target keyspace of the resolved shards may have changed as a
-		// result of MoveTables. So we cannot reuse the plan from the first try.
-		// When buffering ends, many queries might be getting planned at the same time. Ideally we
-		// should be able to reuse plans once the first drained query has been planned. For now, we
-		// punt on this and choose not to prematurely optimize since it is not clear how much caching
-		// will help and if it will result in hard-to-track edge cases.
-
-		var plan *engine.Plan
+		// result of MoveTables SwitchTraffic which does a RebuildSrvVSchema which in turn causes
+		// the vtgate to clear the cached plans when processing the new serving vschema.
+		// When buffering ends, many queries might be getting planned at the same time and we then
+		// take full advatange of the cached plan.
 		plan, err = e.getPlan(ctx, vcursor, query, stmt, comments, bindVars, reservedVars, e.normalize, logStats)
 		execStart := e.logPlanningFinished(logStats, plan)
 
@@ -124,12 +135,12 @@ func (e *Executor) newExecute(
 			safeSession.ClearWarnings()
 		}
 
-		// add any warnings that the planner wants to add
+		// Add any warnings that the planner wants to add.
 		for _, warning := range plan.Warnings {
 			safeSession.RecordWarning(warning)
 		}
 
-		result, err := e.handleTransactions(ctx, mysqlCtx, safeSession, plan, logStats, vcursor, stmt)
+		result, err = e.handleTransactions(ctx, mysqlCtx, safeSession, plan, logStats, vcursor, stmt)
 		if err != nil {
 			return err
 		}
@@ -137,14 +148,14 @@ func (e *Executor) newExecute(
 			return recResult(plan.Type, result)
 		}
 
-		// 4: Prepare for execution
+		// 4: Prepare for execution.
 		err = e.addNeededBindVars(vcursor, plan.BindVarNeeds, bindVars, safeSession)
 		if err != nil {
 			logStats.Error = err
 			return err
 		}
 
-		// 5: Execute the plan and retry if needed
+		// 5: Execute the plan.
 		if plan.Instructions.NeedsTransaction() {
 			err = e.insideTransaction(ctx, safeSession, logStats,
 				func() error {
@@ -158,10 +169,39 @@ func (e *Executor) newExecute(
 			return err
 		}
 
+		// 6: Retry if needed.
 		rootCause := vterrors.RootCause(err)
 		if rootCause != nil && strings.Contains(rootCause.Error(), "enforce denied tables") {
 			log.V(2).Infof("Retry: %d, will retry query %s due to %v", try, query, err)
-			lastVSchemaCreated = vs.GetCreated()
+			if try == 0 { // We are going to retry at least once
+				defer func() {
+					// Prevent any plan cache pollution from queries planned against the wrong keyspace during a MoveTables
+					// traffic switching operation.
+					if err != nil { // The error we're checking here is the return value from the newExecute function
+						cause := vterrors.RootCause(err)
+						if cause != nil && strings.Contains(cause.Error(), "enforce denied tables") {
+							// The executor's VSchemaManager clears the plan cache when it receives a new vschema via its
+							// SrvVSchema watcher (it calls executor.SaveVSchema() in its watch's subscriber callback). This
+							// happens concurrently with the KeyspaceEventWatcher also receiving the new vschema in its
+							// SrvVSchema watcher and in its subscriber callback processing it (which includes getting info
+							// on all shards from the topo), and eventually determining that the keyspace is consistent and
+							// ending the buffering window. So there's race with query retries such that a query could be
+							// planned against the wrong side just as the keyspace event is getting resolved and the buffers
+							// drained. Then that bad plan is the cached plan for the query until you do another
+							// topo.RebuildSrvVSchema/vtctldclient RebuildVSchemaGraph which then causes the VSchemaManager
+							// to clear the plan cache. It's essentially a race between the two SrvVSchema watchers and the
+							// work they do when a new one is received. If we DID a retry AND the last time we retried
+							// still encountered the error, we know that the plan used was 1) not valid/correct and going to
+							// the wrong side of the traffic switch as it failed with the denied tables error and 2) it will
+							// remain the plan in the cache if we do not clear the plans after it was added to to the cache.
+							// So here we clear the plan cache in order to prevent this scenario where the bad plan is
+							// cached indefinitely and re-used after the buffering window ends and the keyspace event is
+							// resolved.
+							e.ClearPlans()
+						}
+					}
+				}()
+			}
 			continue
 		}
 

From 286e1eaad114171f938ce6569c72f9dc0768dc62 Mon Sep 17 00:00:00 2001
From: Tim Vaillancourt <tim@timvaillancourt.com>
Date: Tue, 27 Feb 2024 19:18:23 +0100
Subject: [PATCH 10/19] Filter by keyspace earlier in `tabletgateway`s
 `WaitForTablets(...)` (#15347)

Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com>
---
 go/vt/discovery/healthcheck.go      |  22 ------
 go/vt/discovery/healthcheck_test.go |  21 ------
 go/vt/srvtopo/discover.go           |  19 +++---
 go/vt/srvtopo/discover_test.go      | 100 ++++++++++++++++------------
 go/vt/vtgate/tabletgateway.go       |   2 +-
 5 files changed, 70 insertions(+), 94 deletions(-)

diff --git a/go/vt/discovery/healthcheck.go b/go/vt/discovery/healthcheck.go
index cb1bbc1b4dd..c3a4d473947 100644
--- a/go/vt/discovery/healthcheck.go
+++ b/go/vt/discovery/healthcheck.go
@@ -746,30 +746,8 @@ func (hc *HealthCheckImpl) WaitForAllServingTablets(ctx context.Context, targets
 	return hc.waitForTablets(ctx, targets, true)
 }
 
-// FilterTargetsByKeyspaces only returns the targets that are part of the provided keyspaces
-func FilterTargetsByKeyspaces(keyspaces []string, targets []*query.Target) []*query.Target {
-	filteredTargets := make([]*query.Target, 0)
-
-	// Keep them all if there are no keyspaces to watch
-	if len(KeyspacesToWatch) == 0 {
-		return append(filteredTargets, targets...)
-	}
-
-	// Let's remove from the target shards that are not in the keyspaceToWatch list.
-	for _, target := range targets {
-		for _, keyspaceToWatch := range keyspaces {
-			if target.Keyspace == keyspaceToWatch {
-				filteredTargets = append(filteredTargets, target)
-			}
-		}
-	}
-	return filteredTargets
-}
-
 // waitForTablets is the internal method that polls for tablets.
 func (hc *HealthCheckImpl) waitForTablets(ctx context.Context, targets []*query.Target, requireServing bool) error {
-	targets = FilterTargetsByKeyspaces(KeyspacesToWatch, targets)
-
 	for {
 		// We nil targets as we find them.
 		allPresent := true
diff --git a/go/vt/discovery/healthcheck_test.go b/go/vt/discovery/healthcheck_test.go
index 6193159b66c..eaa78305a62 100644
--- a/go/vt/discovery/healthcheck_test.go
+++ b/go/vt/discovery/healthcheck_test.go
@@ -672,27 +672,6 @@ func TestWaitForAllServingTablets(t *testing.T) {
 
 	err = hc.WaitForAllServingTablets(ctx, targets)
 	assert.NotNil(t, err, "error should not be nil (there are no tablets on this keyspace")
-
-	targets = []*querypb.Target{
-
-		{
-			Keyspace:   tablet.Keyspace,
-			Shard:      tablet.Shard,
-			TabletType: tablet.Type,
-		},
-		{
-			Keyspace:   "newkeyspace",
-			Shard:      tablet.Shard,
-			TabletType: tablet.Type,
-		},
-	}
-
-	KeyspacesToWatch = []string{tablet.Keyspace}
-
-	err = hc.WaitForAllServingTablets(ctx, targets)
-	assert.Nil(t, err, "error should be nil. Keyspace with no tablets is filtered")
-
-	KeyspacesToWatch = []string{}
 }
 
 // TestRemoveTablet tests the behavior when a tablet goes away.
diff --git a/go/vt/srvtopo/discover.go b/go/vt/srvtopo/discover.go
index 91aaea9daf6..2997dc42e21 100644
--- a/go/vt/srvtopo/discover.go
+++ b/go/vt/srvtopo/discover.go
@@ -29,20 +29,23 @@ import (
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 )
 
-// FindAllTargets goes through all serving shards in the topology
-// for the provided tablet types. It returns one Target object per
-// keyspace / shard / matching TabletType.
-func FindAllTargets(ctx context.Context, ts Server, cell string, tabletTypes []topodatapb.TabletType) ([]*querypb.Target, error) {
-	ksNames, err := ts.GetSrvKeyspaceNames(ctx, cell, true)
-	if err != nil {
-		return nil, err
+// FindAllTargets goes through all serving shards in the topology for the provided keyspaces
+// and tablet types. If no keyspaces are provided all available keyspaces in the topo are
+// fetched. It returns one Target object per keyspace/shard/matching TabletType.
+func FindAllTargets(ctx context.Context, ts Server, cell string, keyspaces []string, tabletTypes []topodatapb.TabletType) ([]*querypb.Target, error) {
+	var err error
+	if len(keyspaces) == 0 {
+		keyspaces, err = ts.GetSrvKeyspaceNames(ctx, cell, true)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	var targets []*querypb.Target
 	var wg sync.WaitGroup
 	var mu sync.Mutex
 	var errRecorder concurrency.AllErrorRecorder
-	for _, ksName := range ksNames {
+	for _, ksName := range keyspaces {
 		wg.Add(1)
 		go func(keyspace string) {
 			defer wg.Done()
diff --git a/go/vt/srvtopo/discover_test.go b/go/vt/srvtopo/discover_test.go
index ca4774a1b84..3f730bba3d3 100644
--- a/go/vt/srvtopo/discover_test.go
+++ b/go/vt/srvtopo/discover_test.go
@@ -18,11 +18,12 @@ package srvtopo
 
 import (
 	"context"
-	"reflect"
 	"sort"
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/assert"
+
 	"vitess.io/vitess/go/vt/topo/memorytopo"
 
 	querypb "vitess.io/vitess/go/vt/proto/query"
@@ -62,16 +63,12 @@ func TestFindAllTargets(t *testing.T) {
 	rs := NewResilientServer(ctx, ts, "TestFindAllKeyspaceShards")
 
 	// No keyspace / shards.
-	ks, err := FindAllTargets(ctx, rs, "cell1", []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
-	if err != nil {
-		t.Errorf("unexpected error: %v", err)
-	}
-	if len(ks) > 0 {
-		t.Errorf("why did I get anything? %v", ks)
-	}
+	ks, err := FindAllTargets(ctx, rs, "cell1", []string{"test_keyspace"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
+	assert.NoError(t, err)
+	assert.Len(t, ks, 0)
 
 	// Add one.
-	if err := ts.UpdateSrvKeyspace(ctx, "cell1", "test_keyspace", &topodatapb.SrvKeyspace{
+	assert.NoError(t, ts.UpdateSrvKeyspace(ctx, "cell1", "test_keyspace", &topodatapb.SrvKeyspace{
 		Partitions: []*topodatapb.SrvKeyspace_KeyspacePartition{
 			{
 				ServedType: topodatapb.TabletType_PRIMARY,
@@ -82,28 +79,34 @@ func TestFindAllTargets(t *testing.T) {
 				},
 			},
 		},
-	}); err != nil {
-		t.Fatalf("can't add srvKeyspace: %v", err)
-	}
+	}))
 
 	// Get it.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
-	if err != nil {
-		t.Errorf("unexpected error: %v", err)
-	}
-	if !reflect.DeepEqual(ks, []*querypb.Target{
+	ks, err = FindAllTargets(ctx, rs, "cell1", []string{"test_keyspace"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
+	assert.NoError(t, err)
+	assert.EqualValues(t, []*querypb.Target{
 		{
 			Cell:       "cell1",
 			Keyspace:   "test_keyspace",
 			Shard:      "test_shard0",
 			TabletType: topodatapb.TabletType_PRIMARY,
 		},
-	}) {
-		t.Errorf("got wrong value: %v", ks)
-	}
+	}, ks)
+
+	// Get any keyspace.
+	ks, err = FindAllTargets(ctx, rs, "cell1", nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
+	assert.NoError(t, err)
+	assert.EqualValues(t, []*querypb.Target{
+		{
+			Cell:       "cell1",
+			Keyspace:   "test_keyspace",
+			Shard:      "test_shard0",
+			TabletType: topodatapb.TabletType_PRIMARY,
+		},
+	}, ks)
 
 	// Add another one.
-	if err := ts.UpdateSrvKeyspace(ctx, "cell1", "test_keyspace2", &topodatapb.SrvKeyspace{
+	assert.NoError(t, ts.UpdateSrvKeyspace(ctx, "cell1", "test_keyspace2", &topodatapb.SrvKeyspace{
 		Partitions: []*topodatapb.SrvKeyspace_KeyspacePartition{
 			{
 				ServedType: topodatapb.TabletType_PRIMARY,
@@ -122,17 +125,13 @@ func TestFindAllTargets(t *testing.T) {
 				},
 			},
 		},
-	}); err != nil {
-		t.Fatalf("can't add srvKeyspace: %v", err)
-	}
+	}))
 
-	// Get it for all types.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
-	if err != nil {
-		t.Errorf("unexpected error: %v", err)
-	}
+	// Get it for any keyspace, all types.
+	ks, err = FindAllTargets(ctx, rs, "cell1", nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
+	assert.NoError(t, err)
 	sort.Sort(TargetArray(ks))
-	if !reflect.DeepEqual(ks, []*querypb.Target{
+	assert.EqualValues(t, []*querypb.Target{
 		{
 			Cell:       "cell1",
 			Keyspace:   "test_keyspace",
@@ -151,23 +150,40 @@ func TestFindAllTargets(t *testing.T) {
 			Shard:      "test_shard2",
 			TabletType: topodatapb.TabletType_REPLICA,
 		},
-	}) {
-		t.Errorf("got wrong value: %v", ks)
-	}
+	}, ks)
 
-	// Only get the REPLICA targets.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []topodatapb.TabletType{topodatapb.TabletType_REPLICA})
-	if err != nil {
-		t.Errorf("unexpected error: %v", err)
-	}
-	if !reflect.DeepEqual(ks, []*querypb.Target{
+	// Only get 1 keyspace for all types.
+	ks, err = FindAllTargets(ctx, rs, "cell1", []string{"test_keyspace2"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
+	assert.NoError(t, err)
+	assert.EqualValues(t, []*querypb.Target{
+		{
+			Cell:       "cell1",
+			Keyspace:   "test_keyspace2",
+			Shard:      "test_shard1",
+			TabletType: topodatapb.TabletType_PRIMARY,
+		},
 		{
 			Cell:       "cell1",
 			Keyspace:   "test_keyspace2",
 			Shard:      "test_shard2",
 			TabletType: topodatapb.TabletType_REPLICA,
 		},
-	}) {
-		t.Errorf("got wrong value: %v", ks)
-	}
+	}, ks)
+
+	// Only get the REPLICA targets for any keyspace.
+	ks, err = FindAllTargets(ctx, rs, "cell1", []string{}, []topodatapb.TabletType{topodatapb.TabletType_REPLICA})
+	assert.NoError(t, err)
+	assert.Equal(t, []*querypb.Target{
+		{
+			Cell:       "cell1",
+			Keyspace:   "test_keyspace2",
+			Shard:      "test_shard2",
+			TabletType: topodatapb.TabletType_REPLICA,
+		},
+	}, ks)
+
+	// Get non-existent keyspace.
+	ks, err = FindAllTargets(ctx, rs, "cell1", []string{"doesnt-exist"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
+	assert.NoError(t, err)
+	assert.Len(t, ks, 0)
 }
diff --git a/go/vt/vtgate/tabletgateway.go b/go/vt/vtgate/tabletgateway.go
index de63da87907..084a5059fd8 100644
--- a/go/vt/vtgate/tabletgateway.go
+++ b/go/vt/vtgate/tabletgateway.go
@@ -191,7 +191,7 @@ func (gw *TabletGateway) WaitForTablets(ctx context.Context, tabletTypesToWait [
 	}
 
 	// Finds the targets to look for.
-	targets, err := srvtopo.FindAllTargets(ctx, gw.srvTopoServer, gw.localCell, tabletTypesToWait)
+	targets, err := srvtopo.FindAllTargets(ctx, gw.srvTopoServer, gw.localCell, discovery.KeyspacesToWatch, tabletTypesToWait)
 	if err != nil {
 		return err
 	}

From 7d79407b198031feccc88feb0e5c94c36c8cd4e3 Mon Sep 17 00:00:00 2001
From: Manan Gupta <35839558+GuptaManan100@users.noreply.github.com>
Date: Thu, 29 Aug 2024 08:53:29 +0530
Subject: [PATCH 11/19] Fix race condition that prevents queries from being
 buffered after vtgate startup (#16655)

Signed-off-by: Manan Gupta <manan@planetscale.com>
---
 go/vt/discovery/keyspace_events.go       |  90 +++++++++++++++--
 go/vt/discovery/keyspace_events_test.go  | 119 +++++++++++++++++++----
 go/vt/srvtopo/discover.go                |  14 +--
 go/vt/srvtopo/discover_test.go           |  41 +++++---
 go/vt/vtgate/tabletgateway.go            |  28 ++++--
 go/vt/vtgate/tabletgateway_flaky_test.go |  10 +-
 go/vt/vtgate/tabletgateway_test.go       |  56 +++++++++++
 7 files changed, 297 insertions(+), 61 deletions(-)

diff --git a/go/vt/discovery/keyspace_events.go b/go/vt/discovery/keyspace_events.go
index 9fa457c1589..036d4f3ad14 100644
--- a/go/vt/discovery/keyspace_events.go
+++ b/go/vt/discovery/keyspace_events.go
@@ -19,7 +19,9 @@ package discovery
 import (
 	"context"
 	"fmt"
+	"slices"
 	"sync"
+	"time"
 
 	"golang.org/x/sync/errgroup"
 	"google.golang.org/protobuf/proto"
@@ -37,6 +39,11 @@ import (
 	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
 )
 
+var (
+	// waitConsistentKeyspacesCheck is the amount of time to wait for between checks to verify the keyspace is consistent.
+	waitConsistentKeyspacesCheck = 100 * time.Millisecond
+)
+
 // KeyspaceEventWatcher is an auxiliary watcher that watches all availability incidents
 // for all keyspaces in a Vitess cell and notifies listeners when the events have been resolved.
 // Right now this is capable of detecting the end of failovers, both planned and unplanned,
@@ -662,29 +669,53 @@ func (kew *KeyspaceEventWatcher) TargetIsBeingResharded(ctx context.Context, tar
 	return ks.beingResharded(target.Shard)
 }
 
-// PrimaryIsNotServing checks if the reason why the given target is not accessible right now is
-// that the primary tablet for that shard is not serving. This is possible during a Planned
-// Reparent Shard operation. Just as the operation completes, a new primary will be elected, and
+// ShouldStartBufferingForTarget checks if we should be starting buffering for the given target.
+// We check the following things before we start buffering -
+//  1. The shard must have a primary.
+//  2. The primary must be non-serving.
+//  3. The keyspace must be marked inconsistent.
+//
+// This buffering is meant to kick in during a Planned Reparent Shard operation.
+// As part of that operation the old primary will become non-serving. At that point
+// this code should return true to start buffering requests.
+// Just as the PRS operation completes, a new primary will be elected, and
 // it will send its own healthcheck stating that it is serving. We should buffer requests until
-// that point. There are use cases where people do not run with a Primary server at all, so we must
+// that point.
+//
+// There are use cases where people do not run with a Primary server at all, so we must
 // verify that we only start buffering when a primary was present, and it went not serving.
 // The shard state keeps track of the current primary and the last externally reparented time, which
 // we can use to determine that there was a serving primary which now became non serving. This is
 // only possible in a DemotePrimary RPC which are only called from ERS and PRS. So buffering will
-// stop when these operations succeed. We return the tablet alias of the primary if it is serving.
-func (kew *KeyspaceEventWatcher) PrimaryIsNotServing(ctx context.Context, target *querypb.Target) (*topodatapb.TabletAlias, bool) {
+// stop when these operations succeed. We also return the tablet alias of the primary if it is serving.
+func (kew *KeyspaceEventWatcher) ShouldStartBufferingForTarget(ctx context.Context, target *querypb.Target) (*topodatapb.TabletAlias, bool) {
 	if target.TabletType != topodatapb.TabletType_PRIMARY {
+		// We don't support buffering for any target tablet type other than the primary.
 		return nil, false
 	}
 	ks := kew.getKeyspaceStatus(ctx, target.Keyspace)
 	if ks == nil {
+		// If the keyspace status is nil, then the keyspace must be deleted.
+		// The user query is trying to access a keyspace that has been deleted.
+		// There is no reason to buffer this query.
 		return nil, false
 	}
 	ks.mu.Lock()
 	defer ks.mu.Unlock()
 	if state, ok := ks.shards[target.Shard]; ok {
-		// If the primary tablet was present then externallyReparented will be non-zero and
-		// currentPrimary will be not nil.
+		// As described in the function comment, we only want to start buffering when all the following conditions are met -
+		// 1. The shard must have a primary. We check this by checking the currentPrimary and externallyReparented fields being non-empty.
+		//    They are set the first time the shard registers an update from a serving primary and are never cleared out after that.
+		//    If the user has configured vtgates to wait for the primary tablet healthchecks before starting query service, this condition
+		//    will always be true.
+		// 2. The primary must be non-serving. We check this by checking the serving field in the shard state.
+		// 	  When a primary becomes non-serving, it also marks the keyspace inconsistent. So the next check is only added
+		//    for being defensive against any bugs.
+		// 3. The keyspace must be marked inconsistent. We check this by checking the consistent field in the keyspace state.
+		//
+		// The reason we need all the three checks is that we want to be very defensive in when we start buffering.
+		// We don't want to start buffering when we don't know for sure if the primary
+		// is not serving and we will receive an update that stops buffering soon.
 		return state.currentPrimary, !state.serving && !ks.consistent && state.externallyReparented != 0 && state.currentPrimary != nil
 	}
 	return nil, false
@@ -703,3 +734,46 @@ func (kew *KeyspaceEventWatcher) GetServingKeyspaces() []string {
 	}
 	return servingKeyspaces
 }
+
+// WaitForConsistentKeyspaces waits for the given set of keyspaces to be marked consistent.
+func (kew *KeyspaceEventWatcher) WaitForConsistentKeyspaces(ctx context.Context, ksList []string) error {
+	// We don't want to change the original keyspace list that we receive so we clone it
+	// before we empty it elements down below.
+	keyspaces := slices.Clone(ksList)
+	for {
+		// We empty keyspaces as we find them to be consistent.
+		allConsistent := true
+		for i, ks := range keyspaces {
+			if ks == "" {
+				continue
+			}
+
+			// Get the keyspace status and see it is consistent yet or not.
+			kss := kew.getKeyspaceStatus(ctx, ks)
+			// If kss is nil, then it must be deleted. In that case too it is fine for us to consider
+			// it consistent since the keyspace has been deleted.
+			if kss == nil || kss.consistent {
+				keyspaces[i] = ""
+			} else {
+				allConsistent = false
+			}
+		}
+
+		if allConsistent {
+			// all the keyspaces are consistent.
+			return nil
+		}
+
+		// Unblock after the sleep or when the context has expired.
+		select {
+		case <-ctx.Done():
+			for _, ks := range keyspaces {
+				if ks != "" {
+					log.Infof("keyspace %v didn't become consistent", ks)
+				}
+			}
+			return ctx.Err()
+		case <-time.After(waitConsistentKeyspacesCheck):
+		}
+	}
+}
diff --git a/go/vt/discovery/keyspace_events_test.go b/go/vt/discovery/keyspace_events_test.go
index e9406ff1de2..1a4c473e7cb 100644
--- a/go/vt/discovery/keyspace_events_test.go
+++ b/go/vt/discovery/keyspace_events_test.go
@@ -155,11 +155,11 @@ func TestKeyspaceEventTypes(t *testing.T) {
 	kew := NewKeyspaceEventWatcher(ctx, ts2, hc, cell)
 
 	type testCase struct {
-		name                    string
-		kss                     *keyspaceState
-		shardToCheck            string
-		expectResharding        bool
-		expectPrimaryNotServing bool
+		name               string
+		kss                *keyspaceState
+		shardToCheck       string
+		expectResharding   bool
+		expectShouldBuffer bool
 	}
 
 	testCases := []testCase{
@@ -196,9 +196,9 @@ func TestKeyspaceEventTypes(t *testing.T) {
 				},
 				consistent: false,
 			},
-			shardToCheck:            "-",
-			expectResharding:        true,
-			expectPrimaryNotServing: false,
+			shardToCheck:       "-",
+			expectResharding:   true,
+			expectShouldBuffer: false,
 		},
 		{
 			name: "two to four resharding in progress",
@@ -257,9 +257,9 @@ func TestKeyspaceEventTypes(t *testing.T) {
 				},
 				consistent: false,
 			},
-			shardToCheck:            "-80",
-			expectResharding:        true,
-			expectPrimaryNotServing: false,
+			shardToCheck:       "-80",
+			expectResharding:   true,
+			expectShouldBuffer: false,
 		},
 		{
 			name: "unsharded primary not serving",
@@ -283,9 +283,9 @@ func TestKeyspaceEventTypes(t *testing.T) {
 				},
 				consistent: false,
 			},
-			shardToCheck:            "-",
-			expectResharding:        false,
-			expectPrimaryNotServing: true,
+			shardToCheck:       "-",
+			expectResharding:   false,
+			expectShouldBuffer: true,
 		},
 		{
 			name: "sharded primary not serving",
@@ -317,9 +317,9 @@ func TestKeyspaceEventTypes(t *testing.T) {
 				},
 				consistent: false,
 			},
-			shardToCheck:            "-80",
-			expectResharding:        false,
-			expectPrimaryNotServing: true,
+			shardToCheck:       "-80",
+			expectResharding:   false,
+			expectShouldBuffer: true,
 		},
 	}
 
@@ -334,8 +334,89 @@ func TestKeyspaceEventTypes(t *testing.T) {
 			resharding := kew.TargetIsBeingResharded(ctx, tc.kss.shards[tc.shardToCheck].target)
 			require.Equal(t, resharding, tc.expectResharding, "TargetIsBeingResharded should return %t", tc.expectResharding)
 
-			_, primaryDown := kew.PrimaryIsNotServing(ctx, tc.kss.shards[tc.shardToCheck].target)
-			require.Equal(t, primaryDown, tc.expectPrimaryNotServing, "PrimaryIsNotServing should return %t", tc.expectPrimaryNotServing)
+			_, shouldBuffer := kew.ShouldStartBufferingForTarget(ctx, tc.kss.shards[tc.shardToCheck].target)
+			require.Equal(t, shouldBuffer, tc.expectShouldBuffer, "ShouldStartBufferingForTarget should return %t", tc.expectShouldBuffer)
+		})
+	}
+}
+
+// TestWaitForConsistentKeyspaces tests the behaviour of WaitForConsistent for different scenarios.
+func TestWaitForConsistentKeyspaces(t *testing.T) {
+	testcases := []struct {
+		name        string
+		ksMap       map[string]*keyspaceState
+		ksList      []string
+		errExpected string
+	}{
+		{
+			name:   "Empty keyspace list",
+			ksList: nil,
+			ksMap: map[string]*keyspaceState{
+				"ks1": {},
+			},
+			errExpected: "",
+		},
+		{
+			name:   "All keyspaces consistent",
+			ksList: []string{"ks1", "ks2"},
+			ksMap: map[string]*keyspaceState{
+				"ks1": {
+					consistent: true,
+				},
+				"ks2": {
+					consistent: true,
+				},
+			},
+			errExpected: "",
+		},
+		{
+			name:   "One keyspace inconsistent",
+			ksList: []string{"ks1", "ks2"},
+			ksMap: map[string]*keyspaceState{
+				"ks1": {
+					consistent: true,
+				},
+				"ks2": {
+					consistent: false,
+				},
+			},
+			errExpected: "context canceled",
+		},
+		{
+			name:   "One deleted keyspace - consistent",
+			ksList: []string{"ks1", "ks2"},
+			ksMap: map[string]*keyspaceState{
+				"ks1": {
+					consistent: true,
+				},
+				"ks2": {
+					deleted: true,
+				},
+			},
+			errExpected: "",
+		},
+	}
+
+	for _, tt := range testcases {
+		t.Run(tt.name, func(t *testing.T) {
+			// We create a cancelable context and immediately cancel it.
+			// We don't want the unit tests to wait, so we only test the first
+			// iteration of whether the keyspace event watcher returns
+			// that the keyspaces are consistent or not.
+			ctx, cancel := context.WithCancel(context.Background())
+			cancel()
+			kew := KeyspaceEventWatcher{
+				keyspaces: tt.ksMap,
+				mu:        sync.Mutex{},
+				ts:        &fakeTopoServer{},
+			}
+			err := kew.WaitForConsistentKeyspaces(ctx, tt.ksList)
+			if tt.errExpected != "" {
+				require.ErrorContains(t, err, tt.errExpected)
+			} else {
+				require.NoError(t, err)
+			}
+
 		})
 	}
 }
diff --git a/go/vt/srvtopo/discover.go b/go/vt/srvtopo/discover.go
index 2997dc42e21..2b020e89887 100644
--- a/go/vt/srvtopo/discover.go
+++ b/go/vt/srvtopo/discover.go
@@ -17,9 +17,8 @@ limitations under the License.
 package srvtopo
 
 import (
-	"sync"
-
 	"context"
+	"sync"
 
 	"vitess.io/vitess/go/vt/concurrency"
 	"vitess.io/vitess/go/vt/log"
@@ -29,15 +28,16 @@ import (
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 )
 
-// FindAllTargets goes through all serving shards in the topology for the provided keyspaces
+// FindAllTargetsAndKeyspaces goes through all serving shards in the topology for the provided keyspaces
 // and tablet types. If no keyspaces are provided all available keyspaces in the topo are
 // fetched. It returns one Target object per keyspace/shard/matching TabletType.
-func FindAllTargets(ctx context.Context, ts Server, cell string, keyspaces []string, tabletTypes []topodatapb.TabletType) ([]*querypb.Target, error) {
+// It also returns all the keyspaces that it found.
+func FindAllTargetsAndKeyspaces(ctx context.Context, ts Server, cell string, keyspaces []string, tabletTypes []topodatapb.TabletType) ([]*querypb.Target, []string, error) {
 	var err error
 	if len(keyspaces) == 0 {
 		keyspaces, err = ts.GetSrvKeyspaceNames(ctx, cell, true)
 		if err != nil {
-			return nil, err
+			return nil, nil, err
 		}
 	}
 
@@ -95,8 +95,8 @@ func FindAllTargets(ctx context.Context, ts Server, cell string, keyspaces []str
 	}
 	wg.Wait()
 	if errRecorder.HasErrors() {
-		return nil, errRecorder.Error()
+		return nil, nil, errRecorder.Error()
 	}
 
-	return targets, nil
+	return targets, keyspaces, nil
 }
diff --git a/go/vt/srvtopo/discover_test.go b/go/vt/srvtopo/discover_test.go
index 3f730bba3d3..0232bce7a65 100644
--- a/go/vt/srvtopo/discover_test.go
+++ b/go/vt/srvtopo/discover_test.go
@@ -48,7 +48,7 @@ func (a TargetArray) Less(i, j int) bool {
 	return a[i].TabletType < a[j].TabletType
 }
 
-func TestFindAllTargets(t *testing.T) {
+func TestFindAllTargetsAndKeyspaces(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 	ts := memorytopo.NewServer(ctx, "cell1", "cell2")
@@ -63,9 +63,10 @@ func TestFindAllTargets(t *testing.T) {
 	rs := NewResilientServer(ctx, ts, "TestFindAllKeyspaceShards")
 
 	// No keyspace / shards.
-	ks, err := FindAllTargets(ctx, rs, "cell1", []string{"test_keyspace"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
+	targets, ksList, err := FindAllTargetsAndKeyspaces(ctx, rs, "cell1", []string{"test_keyspace"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
 	assert.NoError(t, err)
-	assert.Len(t, ks, 0)
+	assert.Len(t, targets, 0)
+	assert.EqualValues(t, []string{"test_keyspace"}, ksList)
 
 	// Add one.
 	assert.NoError(t, ts.UpdateSrvKeyspace(ctx, "cell1", "test_keyspace", &topodatapb.SrvKeyspace{
@@ -82,7 +83,7 @@ func TestFindAllTargets(t *testing.T) {
 	}))
 
 	// Get it.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []string{"test_keyspace"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
+	targets, ksList, err = FindAllTargetsAndKeyspaces(ctx, rs, "cell1", []string{"test_keyspace"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
 	assert.NoError(t, err)
 	assert.EqualValues(t, []*querypb.Target{
 		{
@@ -91,10 +92,11 @@ func TestFindAllTargets(t *testing.T) {
 			Shard:      "test_shard0",
 			TabletType: topodatapb.TabletType_PRIMARY,
 		},
-	}, ks)
+	}, targets)
+	assert.EqualValues(t, []string{"test_keyspace"}, ksList)
 
 	// Get any keyspace.
-	ks, err = FindAllTargets(ctx, rs, "cell1", nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
+	targets, ksList, err = FindAllTargetsAndKeyspaces(ctx, rs, "cell1", nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY})
 	assert.NoError(t, err)
 	assert.EqualValues(t, []*querypb.Target{
 		{
@@ -103,7 +105,8 @@ func TestFindAllTargets(t *testing.T) {
 			Shard:      "test_shard0",
 			TabletType: topodatapb.TabletType_PRIMARY,
 		},
-	}, ks)
+	}, targets)
+	assert.EqualValues(t, []string{"test_keyspace"}, ksList)
 
 	// Add another one.
 	assert.NoError(t, ts.UpdateSrvKeyspace(ctx, "cell1", "test_keyspace2", &topodatapb.SrvKeyspace{
@@ -128,9 +131,9 @@ func TestFindAllTargets(t *testing.T) {
 	}))
 
 	// Get it for any keyspace, all types.
-	ks, err = FindAllTargets(ctx, rs, "cell1", nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
+	targets, ksList, err = FindAllTargetsAndKeyspaces(ctx, rs, "cell1", nil, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
 	assert.NoError(t, err)
-	sort.Sort(TargetArray(ks))
+	sort.Sort(TargetArray(targets))
 	assert.EqualValues(t, []*querypb.Target{
 		{
 			Cell:       "cell1",
@@ -150,10 +153,12 @@ func TestFindAllTargets(t *testing.T) {
 			Shard:      "test_shard2",
 			TabletType: topodatapb.TabletType_REPLICA,
 		},
-	}, ks)
+	}, targets)
+	sort.Strings(ksList)
+	assert.EqualValues(t, []string{"test_keyspace", "test_keyspace2"}, ksList)
 
 	// Only get 1 keyspace for all types.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []string{"test_keyspace2"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
+	targets, ksList, err = FindAllTargetsAndKeyspaces(ctx, rs, "cell1", []string{"test_keyspace2"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
 	assert.NoError(t, err)
 	assert.EqualValues(t, []*querypb.Target{
 		{
@@ -168,10 +173,11 @@ func TestFindAllTargets(t *testing.T) {
 			Shard:      "test_shard2",
 			TabletType: topodatapb.TabletType_REPLICA,
 		},
-	}, ks)
+	}, targets)
+	assert.EqualValues(t, []string{"test_keyspace2"}, ksList)
 
 	// Only get the REPLICA targets for any keyspace.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []string{}, []topodatapb.TabletType{topodatapb.TabletType_REPLICA})
+	targets, ksList, err = FindAllTargetsAndKeyspaces(ctx, rs, "cell1", []string{}, []topodatapb.TabletType{topodatapb.TabletType_REPLICA})
 	assert.NoError(t, err)
 	assert.Equal(t, []*querypb.Target{
 		{
@@ -180,10 +186,13 @@ func TestFindAllTargets(t *testing.T) {
 			Shard:      "test_shard2",
 			TabletType: topodatapb.TabletType_REPLICA,
 		},
-	}, ks)
+	}, targets)
+	sort.Strings(ksList)
+	assert.EqualValues(t, []string{"test_keyspace", "test_keyspace2"}, ksList)
 
 	// Get non-existent keyspace.
-	ks, err = FindAllTargets(ctx, rs, "cell1", []string{"doesnt-exist"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
+	targets, ksList, err = FindAllTargetsAndKeyspaces(ctx, rs, "cell1", []string{"doesnt-exist"}, []topodatapb.TabletType{topodatapb.TabletType_PRIMARY, topodatapb.TabletType_REPLICA})
 	assert.NoError(t, err)
-	assert.Len(t, ks, 0)
+	assert.Len(t, targets, 0)
+	assert.EqualValues(t, []string{"doesnt-exist"}, ksList)
 }
diff --git a/go/vt/vtgate/tabletgateway.go b/go/vt/vtgate/tabletgateway.go
index 084a5059fd8..21087fe5370 100644
--- a/go/vt/vtgate/tabletgateway.go
+++ b/go/vt/vtgate/tabletgateway.go
@@ -191,11 +191,24 @@ func (gw *TabletGateway) WaitForTablets(ctx context.Context, tabletTypesToWait [
 	}
 
 	// Finds the targets to look for.
-	targets, err := srvtopo.FindAllTargets(ctx, gw.srvTopoServer, gw.localCell, discovery.KeyspacesToWatch, tabletTypesToWait)
+	targets, keyspaces, err := srvtopo.FindAllTargetsAndKeyspaces(ctx, gw.srvTopoServer, gw.localCell, discovery.KeyspacesToWatch, tabletTypesToWait)
 	if err != nil {
 		return err
 	}
-	return gw.hc.WaitForAllServingTablets(ctx, targets)
+	err = gw.hc.WaitForAllServingTablets(ctx, targets)
+	if err != nil {
+		return err
+	}
+	// After having waited for all serving tablets. We should also wait for the keyspace event watcher to have seen
+	// the updates and marked all the keyspaces as consistent (if we want to wait for primary tablets).
+	// Otherwise, we could be in a situation where even though the healthchecks have arrived, the keyspace event watcher hasn't finished processing them.
+	// So, if a primary tablet goes non-serving (because of a PRS or some other reason), we won't be able to start buffering.
+	// Waiting for the keyspaces to become consistent ensures that all the primary tablets for all the shards should be serving as seen by the keyspace event watcher
+	// and any disruption from now on, will make sure we start buffering properly.
+	if topoproto.IsTypeInList(topodatapb.TabletType_PRIMARY, tabletTypesToWait) && gw.kev != nil {
+		return gw.kev.WaitForConsistentKeyspaces(ctx, keyspaces)
+	}
+	return nil
 }
 
 // Close shuts down underlying connections.
@@ -282,18 +295,21 @@ func (gw *TabletGateway) withRetry(ctx context.Context, target *querypb.Target,
 		if len(tablets) == 0 {
 			// if we have a keyspace event watcher, check if the reason why our primary is not available is that it's currently being resharded
 			// or if a reparent operation is in progress.
-			if kev := gw.kev; kev != nil {
+			// We only check for whether reshard is ongoing or primary is serving or not, only if the target is primary. We don't want to buffer
+			// replica queries, so it doesn't make any sense to check for resharding or reparenting in that case.
+			if kev := gw.kev; kev != nil && target.TabletType == topodatapb.TabletType_PRIMARY {
 				if kev.TargetIsBeingResharded(ctx, target) {
 					log.V(2).Infof("current keyspace is being resharded, retrying: %s: %s", target.Keyspace, debug.Stack())
 					err = vterrors.Errorf(vtrpcpb.Code_CLUSTER_EVENT, buffer.ClusterEventReshardingInProgress)
 					continue
 				}
-				primary, notServing := kev.PrimaryIsNotServing(ctx, target)
-				if notServing {
+				primary, shouldBuffer := kev.ShouldStartBufferingForTarget(ctx, target)
+				if shouldBuffer {
 					err = vterrors.Errorf(vtrpcpb.Code_CLUSTER_EVENT, buffer.ClusterEventReparentInProgress)
 					continue
 				}
-				// if primary is serving, but we initially found no tablet, we're in an inconsistent state
+				// if the keyspace event manager doesn't think we should buffer queries, and also sees a primary tablet,
+				// but we initially found no tablet, we're in an inconsistent state
 				// we then retry the entire loop
 				if primary != nil {
 					err = vterrors.Errorf(vtrpcpb.Code_UNAVAILABLE, "inconsistent state detected, primary is serving but initially found no available tablet")
diff --git a/go/vt/vtgate/tabletgateway_flaky_test.go b/go/vt/vtgate/tabletgateway_flaky_test.go
index 74e6751162a..fbca19ecbad 100644
--- a/go/vt/vtgate/tabletgateway_flaky_test.go
+++ b/go/vt/vtgate/tabletgateway_flaky_test.go
@@ -67,7 +67,7 @@ func TestGatewayBufferingWhenPrimarySwitchesServingState(t *testing.T) {
 	waitForBuffering := func(enabled bool) {
 		timer := time.NewTimer(bufferingWaitTimeout)
 		defer timer.Stop()
-		for _, buffering := tg.kev.PrimaryIsNotServing(ctx, target); buffering != enabled; _, buffering = tg.kev.PrimaryIsNotServing(ctx, target) {
+		for _, buffering := tg.kev.ShouldStartBufferingForTarget(ctx, target); buffering != enabled; _, buffering = tg.kev.ShouldStartBufferingForTarget(ctx, target) {
 			select {
 			case <-timer.C:
 				require.Fail(t, "timed out waiting for buffering of enabled: %t", enabled)
@@ -213,8 +213,8 @@ func TestGatewayBufferingWhileReparenting(t *testing.T) {
 	hc.Broadcast(primaryTablet)
 
 	require.Len(t, tg.hc.GetHealthyTabletStats(target), 0, "GetHealthyTabletStats has tablets even though it shouldn't")
-	_, isNotServing := tg.kev.PrimaryIsNotServing(ctx, target)
-	require.True(t, isNotServing)
+	_, shouldStartBuffering := tg.kev.ShouldStartBufferingForTarget(ctx, target)
+	require.True(t, shouldStartBuffering)
 
 	// add a result to the sandbox connection of the new primary
 	sbcReplica.SetResults([]*sqltypes.Result{sqlResult1})
@@ -244,8 +244,8 @@ outer:
 		case <-timeout:
 			require.Fail(t, "timed out - could not verify the new primary")
 		case <-time.After(10 * time.Millisecond):
-			newPrimary, notServing := tg.kev.PrimaryIsNotServing(ctx, target)
-			if newPrimary != nil && newPrimary.Uid == 1 && !notServing {
+			newPrimary, shouldBuffer := tg.kev.ShouldStartBufferingForTarget(ctx, target)
+			if newPrimary != nil && newPrimary.Uid == 1 && !shouldBuffer {
 				break outer
 			}
 		}
diff --git a/go/vt/vtgate/tabletgateway_test.go b/go/vt/vtgate/tabletgateway_test.go
index 32d18dcc9ab..fc86ab358c8 100644
--- a/go/vt/vtgate/tabletgateway_test.go
+++ b/go/vt/vtgate/tabletgateway_test.go
@@ -26,6 +26,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"vitess.io/vitess/go/test/utils"
+	"vitess.io/vitess/go/vt/vttablet/queryservice"
 
 	"vitess.io/vitess/go/sqltypes"
 	"vitess.io/vitess/go/vt/discovery"
@@ -298,3 +299,58 @@ func verifyShardErrors(t *testing.T, err error, wantErrors []string, wantCode vt
 	}
 	require.Equal(t, vterrors.Code(err), wantCode, "wanted error code: %s, got: %v", wantCode, vterrors.Code(err))
 }
+
+// TestWithRetry tests the functionality of withRetry function in different circumstances.
+func TestWithRetry(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	tg := NewTabletGateway(ctx, discovery.NewFakeHealthCheck(nil), &fakeTopoServer{}, "cell")
+	tg.kev = discovery.NewKeyspaceEventWatcher(ctx, tg.srvTopoServer, tg.hc, tg.localCell)
+	defer func() {
+		cancel()
+		tg.Close(ctx)
+	}()
+
+	testcases := []struct {
+		name          string
+		target        *querypb.Target
+		inTransaction bool
+		inner         func(ctx context.Context, target *querypb.Target, conn queryservice.QueryService) (bool, error)
+		expectedErr   string
+	}{
+		{
+			name: "Transaction on a replica",
+			target: &querypb.Target{
+				Keyspace:   "ks",
+				Shard:      "0",
+				TabletType: topodatapb.TabletType_REPLICA,
+			},
+			inTransaction: true,
+			inner: func(ctx context.Context, target *querypb.Target, conn queryservice.QueryService) (bool, error) {
+				return false, nil
+			},
+			expectedErr: "tabletGateway's query service can only be used for non-transactional queries on replicas",
+		}, {
+			name: "No replica tablets available",
+			target: &querypb.Target{
+				Keyspace:   "ks",
+				Shard:      "0",
+				TabletType: topodatapb.TabletType_REPLICA,
+			},
+			inTransaction: false,
+			inner: func(ctx context.Context, target *querypb.Target, conn queryservice.QueryService) (bool, error) {
+				return false, nil
+			},
+			expectedErr: `target: ks.0.replica: no healthy tablet available for 'keyspace:"ks" shard:"0" tablet_type:REPLICA'`,
+		},
+	}
+	for _, tt := range testcases {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tg.withRetry(ctx, tt.target, nil, "", tt.inTransaction, tt.inner)
+			if tt.expectedErr == "" {
+				require.NoError(t, err)
+			} else {
+				require.ErrorContains(t, err, tt.expectedErr)
+			}
+		})
+	}
+}

From e24e5d97cbe6574f57f8bd7f511856811a52c172 Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Sat, 19 Oct 2024 12:03:12 +0530
Subject: [PATCH 12/19] test: add a test for premature buffering

Signed-off-by: Manan Gupta <manan@planetscale.com>
Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 .../reparent/newfeaturetest/reparent_test.go  | 67 +++++++++++++++++++
 go/test/endtoend/reparent/utils/utils.go      | 52 +++++++++++++-
 2 files changed, 118 insertions(+), 1 deletion(-)

diff --git a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
index d5f37dc8604..7782afecb21 100644
--- a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
+++ b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
@@ -19,10 +19,14 @@ package newfeaturetest
 import (
 	"context"
 	"fmt"
+	"math/rand/v2"
+	"sync"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 
+	"vitess.io/vitess/go/mysql"
 	"vitess.io/vitess/go/test/endtoend/cluster"
 	"vitess.io/vitess/go/test/endtoend/reparent/utils"
 )
@@ -146,3 +150,66 @@ func TestChangeTypeWithoutSemiSync(t *testing.T) {
 	err = clusterInstance.VtctlclientProcess.ExecuteCommand("ChangeTabletType", replica.Alias, "replica")
 	require.NoError(t, err)
 }
+
+func TestSimultaneousPRS(t *testing.T) {
+	defer cluster.PanicHandler(t)
+	clusterInstance := utils.SetupShardedReparentCluster(t, "semi_sync")
+	defer utils.TeardownCluster(clusterInstance)
+
+	// Start by reparenting all the shards to the first tablet.
+	keyspace := clusterInstance.Keyspaces[0]
+	shards := keyspace.Shards
+	for _, shard := range shards {
+		err := clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shard.Name, shard.Vttablets[0].Alias)
+		require.NoError(t, err)
+	}
+
+	rowCount := 1000
+	vtParams := clusterInstance.GetVTParams(keyspace.Name)
+	conn, err := mysql.Connect(context.Background(), &vtParams)
+	require.NoError(t, err)
+	// Now, we need to insert some data into the cluster.
+	for i := 1; i <= rowCount; i++ {
+		_, err = conn.ExecuteFetch(utils.GetInsertQuery(i), 0, false)
+		require.NoError(t, err)
+	}
+
+	// Now we start a goroutine that continues to read the data until we've finished the test.
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	go func() {
+		tick := time.NewTicker(100 * time.Millisecond)
+		defer tick.Stop()
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-tick.C:
+				go func() {
+					conn, err := mysql.Connect(context.Background(), &vtParams)
+					if err != nil {
+						return
+					}
+					// We're running queries every 100 millisecond and verifying the results are all correct.
+					res, err := conn.ExecuteFetch(utils.GetSelectionQuery(), rowCount+10, false)
+					require.NoError(t, err)
+					require.Len(t, res.Rows, rowCount)
+				}()
+			}
+		}
+	}()
+
+	// Now, we run go routines to run PRS calls on all the shards simultaneously.
+	wg := sync.WaitGroup{}
+	for _, shard := range shards {
+		wg.Add(1)
+		go func() {
+			time.Sleep(time.Second * time.Duration(rand.IntN(6)))
+			defer wg.Done()
+			err := clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shard.Name, shard.Vttablets[1].Alias)
+			require.NoError(t, err)
+		}()
+	}
+	wg.Wait()
+	cancel()
+}
diff --git a/go/test/endtoend/reparent/utils/utils.go b/go/test/endtoend/reparent/utils/utils.go
index 0f48f2b3fa8..4532724f8b8 100644
--- a/go/test/endtoend/reparent/utils/utils.go
+++ b/go/test/endtoend/reparent/utils/utils.go
@@ -54,7 +54,7 @@ var (
 	id bigint,
 	msg varchar(64),
 	primary key (id)
-	) Engine=InnoDB	
+	) Engine=InnoDB
 `
 	cell1                  = "zone1"
 	cell2                  = "zone2"
@@ -75,6 +75,56 @@ func SetupRangeBasedCluster(ctx context.Context, t *testing.T) *cluster.LocalPro
 	return setupCluster(ctx, t, ShardName, []string{cell1}, []int{2}, "semi_sync")
 }
 
+// SetupShardedReparentCluster is used to setup a sharded cluster for testing
+func SetupShardedReparentCluster(t *testing.T, durability string) *cluster.LocalProcessCluster {
+	clusterInstance := cluster.NewCluster(cell1, Hostname)
+	// Start topo server
+	err := clusterInstance.StartTopo()
+	require.NoError(t, err)
+
+	clusterInstance.VtTabletExtraArgs = append(clusterInstance.VtTabletExtraArgs,
+		"--lock_tables_timeout", "5s",
+		"--track_schema_versions=true",
+		"--queryserver_enable_online_ddl=false")
+	clusterInstance.VtGateExtraArgs = append(clusterInstance.VtGateExtraArgs,
+		"--enable_buffer",
+		// Long timeout in case failover is slow.
+		"--buffer_window", "10m",
+		"--buffer_max_failover_duration", "10m",
+		"--buffer_min_time_between_failovers", "20m",
+	)
+
+	// Start keyspace
+	keyspace := &cluster.Keyspace{
+		Name:      KeyspaceName,
+		SchemaSQL: sqlSchema,
+		VSchema:   `{"sharded": true, "vindexes": {"hash_index": {"type": "hash"}}, "tables": {"vt_insert_test": {"column_vindexes": [{"column": "id", "name": "hash_index"}]}}}`,
+	}
+	err = clusterInstance.StartKeyspace(*keyspace, []string{"-40", "40-80", "80-"}, 2, false)
+	require.NoError(t, err)
+
+	if clusterInstance.VtctlMajorVersion >= 14 {
+		clusterInstance.VtctldClientProcess = *cluster.VtctldClientProcessInstance("localhost", clusterInstance.VtctldProcess.GrpcPort, clusterInstance.TmpDirectory)
+		out, err := clusterInstance.VtctldClientProcess.ExecuteCommandWithOutput("SetKeyspaceDurabilityPolicy", KeyspaceName, fmt.Sprintf("--durability-policy=%s", durability))
+		require.NoError(t, err, out)
+	}
+
+	// Start Vtgate
+	err = clusterInstance.StartVtgate()
+	require.NoError(t, err)
+	return clusterInstance
+}
+
+// GetInsertQuery returns a built insert query to insert a row.
+func GetInsertQuery(idx int) string {
+	return fmt.Sprintf(insertSQL, idx, idx)
+}
+
+// GetSelectionQuery returns a built selection query read the data.
+func GetSelectionQuery() string {
+	return `select * from vt_insert_test`
+}
+
 // TeardownCluster is used to teardown the reparent cluster. When
 // run in a CI environment -- which is considered true when the
 // "CI" env variable is set to "true" -- the teardown also removes

From 01124f2ceccf15d65e829b3b8894dc868fff7070 Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Mon, 21 Oct 2024 16:24:31 +0530
Subject: [PATCH 13/19] test: update test to reproduce the buffering problem

Signed-off-by: Manan Gupta <manan@planetscale.com>
Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 .../reparent/newfeaturetest/reparent_test.go  | 80 +++++++++----------
 1 file changed, 36 insertions(+), 44 deletions(-)

diff --git a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
index 7782afecb21..dc3f64f0964 100644
--- a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
+++ b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
@@ -19,10 +19,8 @@ package newfeaturetest
 import (
 	"context"
 	"fmt"
-	"math/rand/v2"
 	"sync"
 	"testing"
-	"time"
 
 	"github.com/stretchr/testify/require"
 
@@ -151,11 +149,17 @@ func TestChangeTypeWithoutSemiSync(t *testing.T) {
 	require.NoError(t, err)
 }
 
-func TestSimultaneousPRS(t *testing.T) {
+func TestBufferingWithMultipleDisruptions(t *testing.T) {
 	defer cluster.PanicHandler(t)
 	clusterInstance := utils.SetupShardedReparentCluster(t, "semi_sync")
 	defer utils.TeardownCluster(clusterInstance)
 
+	// Stop all VTOrc instances, so that they don't interfere with the test.
+	for _, vtorc := range clusterInstance.VTOrcProcesses {
+		err := vtorc.TearDown()
+		require.NoError(t, err)
+	}
+
 	// Start by reparenting all the shards to the first tablet.
 	keyspace := clusterInstance.Keyspaces[0]
 	shards := keyspace.Shards
@@ -164,52 +168,40 @@ func TestSimultaneousPRS(t *testing.T) {
 		require.NoError(t, err)
 	}
 
-	rowCount := 1000
-	vtParams := clusterInstance.GetVTParams(keyspace.Name)
-	conn, err := mysql.Connect(context.Background(), &vtParams)
-	require.NoError(t, err)
-	// Now, we need to insert some data into the cluster.
-	for i := 1; i <= rowCount; i++ {
-		_, err = conn.ExecuteFetch(utils.GetInsertQuery(i), 0, false)
-		require.NoError(t, err)
-	}
+	// We simulate start of external reparent or a PRS where the healthcheck update from the tablet gets lost in transit
+	// to vtgate by just setting the primary read only. This is also why we needed to shutdown all VTOrcs, so that they don't
+	// fix this.
+	//utils.RunSQL(context.Background(), t, "set global read_only=1", shards[0].Vttablets[0])
+	//utils.RunSQL(context.Background(), t, "set global read_only=1", shards[1].Vttablets[0])
 
-	// Now we start a goroutine that continues to read the data until we've finished the test.
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	go func() {
-		tick := time.NewTicker(100 * time.Millisecond)
-		defer tick.Stop()
-		for {
-			select {
-			case <-ctx.Done():
-				return
-			case <-tick.C:
-				go func() {
-					conn, err := mysql.Connect(context.Background(), &vtParams)
-					if err != nil {
-						return
-					}
-					// We're running queries every 100 millisecond and verifying the results are all correct.
-					res, err := conn.ExecuteFetch(utils.GetSelectionQuery(), rowCount+10, false)
-					require.NoError(t, err)
-					require.Len(t, res.Rows, rowCount)
-				}()
-			}
-		}
-	}()
-
-	// Now, we run go routines to run PRS calls on all the shards simultaneously.
 	wg := sync.WaitGroup{}
-	for _, shard := range shards {
+	rowCount := 10
+	vtParams := clusterInstance.GetVTParams(keyspace.Name)
+	// We now spawn writes for a bunch of go routines.
+	// The ones going to shard 1 and shard 2 should block, since
+	// they're in the midst of a reparenting operation (as seen by the buffering code).
+	for i := 1; i <= rowCount; i++ {
 		wg.Add(1)
-		go func() {
-			time.Sleep(time.Second * time.Duration(rand.IntN(6)))
+		go func(i int) {
 			defer wg.Done()
-			err := clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shard.Name, shard.Vttablets[1].Alias)
+			conn, err := mysql.Connect(context.Background(), &vtParams)
+			if err != nil {
+				return
+			}
+			_, err = conn.ExecuteFetch(utils.GetInsertQuery(i), 0, false)
 			require.NoError(t, err)
-		}()
+		}(i)
 	}
+
+	// Now, run a PRS call on the last shard. This shouldn't unbuffer the queries that are buffered for shards 1 and 2
+	// since the disruption on the two shards hasn't stopped.
+	err := clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shards[2].Name, shards[2].Vttablets[1].Alias)
+	require.NoError(t, err)
+	// We wait a second just to make sure the PRS changes are processed by the buffering logic in vtgate.
+	//time.Sleep(1 * time.Second)
+	// Finally, we'll now simulate the 2 shards being healthy again by setting them back to read-write.
+	//utils.RunSQL(context.Background(), t, "set global read_only=0", shards[0].Vttablets[0])
+	//utils.RunSQL(context.Background(), t, "set global read_only=0", shards[1].Vttablets[0])
+	// Wait for all the writes to have succeeded.
 	wg.Wait()
-	cancel()
 }

From 21a8ad2fe6c761a27b3307f8efefda1f6db2a3f3 Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Mon, 21 Oct 2024 21:46:40 +0530
Subject: [PATCH 14/19] test: uncomment lines that were accidentally commented

Signed-off-by: Manan Gupta <manan@planetscale.com>
---
 .../reparent/newfeaturetest/reparent_test.go         | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
index dc3f64f0964..e52229dc84c 100644
--- a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
+++ b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"sync"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 
@@ -171,8 +172,8 @@ func TestBufferingWithMultipleDisruptions(t *testing.T) {
 	// We simulate start of external reparent or a PRS where the healthcheck update from the tablet gets lost in transit
 	// to vtgate by just setting the primary read only. This is also why we needed to shutdown all VTOrcs, so that they don't
 	// fix this.
-	//utils.RunSQL(context.Background(), t, "set global read_only=1", shards[0].Vttablets[0])
-	//utils.RunSQL(context.Background(), t, "set global read_only=1", shards[1].Vttablets[0])
+	utils.RunSQL(context.Background(), t, "set global read_only=1", shards[0].Vttablets[0])
+	utils.RunSQL(context.Background(), t, "set global read_only=1", shards[1].Vttablets[0])
 
 	wg := sync.WaitGroup{}
 	rowCount := 10
@@ -188,6 +189,7 @@ func TestBufferingWithMultipleDisruptions(t *testing.T) {
 			if err != nil {
 				return
 			}
+			defer conn.Close()
 			_, err = conn.ExecuteFetch(utils.GetInsertQuery(i), 0, false)
 			require.NoError(t, err)
 		}(i)
@@ -198,10 +200,10 @@ func TestBufferingWithMultipleDisruptions(t *testing.T) {
 	err := clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shards[2].Name, shards[2].Vttablets[1].Alias)
 	require.NoError(t, err)
 	// We wait a second just to make sure the PRS changes are processed by the buffering logic in vtgate.
-	//time.Sleep(1 * time.Second)
+	time.Sleep(1 * time.Second)
 	// Finally, we'll now simulate the 2 shards being healthy again by setting them back to read-write.
-	//utils.RunSQL(context.Background(), t, "set global read_only=0", shards[0].Vttablets[0])
-	//utils.RunSQL(context.Background(), t, "set global read_only=0", shards[1].Vttablets[0])
+	utils.RunSQL(context.Background(), t, "set global read_only=0", shards[0].Vttablets[0])
+	utils.RunSQL(context.Background(), t, "set global read_only=0", shards[1].Vttablets[0])
 	// Wait for all the writes to have succeeded.
 	wg.Wait()
 }

From 0c87ea72caecefecc0cf6e4d825877b80eba1336 Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Fri, 25 Oct 2024 15:38:54 +0530
Subject: [PATCH 15/19] feat: fix the problem by adding a new field in the
 shard state

Signed-off-by: Manan Gupta <manan@planetscale.com>
---
 .../reparent/newfeaturetest/reparent_test.go  |  8 ++-
 go/test/endtoend/reparent/utils/utils.go      |  2 +
 go/vt/discovery/keyspace_events.go            | 67 ++++++++++++++++++-
 go/vt/vtgate/buffer/buffer.go                 | 16 ++++-
 go/vt/vtgate/buffer/buffer_helper_test.go     |  2 +-
 go/vt/vtgate/buffer/buffer_test.go            | 22 +++---
 go/vt/vtgate/buffer/shard_buffer.go           | 20 +++++-
 go/vt/vtgate/buffer/variables_test.go         |  2 +-
 go/vt/vtgate/tabletgateway.go                 |  2 +-
 9 files changed, 116 insertions(+), 25 deletions(-)

diff --git a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
index e52229dc84c..44732ba12d0 100644
--- a/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
+++ b/go/test/endtoend/reparent/newfeaturetest/reparent_test.go
@@ -201,9 +201,11 @@ func TestBufferingWithMultipleDisruptions(t *testing.T) {
 	require.NoError(t, err)
 	// We wait a second just to make sure the PRS changes are processed by the buffering logic in vtgate.
 	time.Sleep(1 * time.Second)
-	// Finally, we'll now simulate the 2 shards being healthy again by setting them back to read-write.
-	utils.RunSQL(context.Background(), t, "set global read_only=0", shards[0].Vttablets[0])
-	utils.RunSQL(context.Background(), t, "set global read_only=0", shards[1].Vttablets[0])
+	// Finally, we'll now make the 2 shards healthy again by running PRS.
+	err = clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shards[0].Name, shards[0].Vttablets[1].Alias)
+	require.NoError(t, err)
+	err = clusterInstance.VtctldClientProcess.PlannedReparentShard(keyspace.Name, shards[1].Name, shards[1].Vttablets[1].Alias)
+	require.NoError(t, err)
 	// Wait for all the writes to have succeeded.
 	wg.Wait()
 }
diff --git a/go/test/endtoend/reparent/utils/utils.go b/go/test/endtoend/reparent/utils/utils.go
index 4532724f8b8..c5ddf75d667 100644
--- a/go/test/endtoend/reparent/utils/utils.go
+++ b/go/test/endtoend/reparent/utils/utils.go
@@ -84,6 +84,8 @@ func SetupShardedReparentCluster(t *testing.T, durability string) *cluster.Local
 
 	clusterInstance.VtTabletExtraArgs = append(clusterInstance.VtTabletExtraArgs,
 		"--lock_tables_timeout", "5s",
+		// Fast health checks help find corner cases.
+		"--health_check_interval", "1s",
 		"--track_schema_versions=true",
 		"--queryserver_enable_online_ddl=false")
 	clusterInstance.VtGateExtraArgs = append(clusterInstance.VtGateExtraArgs,
diff --git a/go/vt/discovery/keyspace_events.go b/go/vt/discovery/keyspace_events.go
index 036d4f3ad14..8332e99679b 100644
--- a/go/vt/discovery/keyspace_events.go
+++ b/go/vt/discovery/keyspace_events.go
@@ -171,8 +171,12 @@ func (kss *keyspaceState) beingResharded(currentShard string) bool {
 }
 
 type shardState struct {
-	target               *querypb.Target
-	serving              bool
+	target  *querypb.Target
+	serving bool
+	// waitForReparent is used to tell the keyspace event watcher
+	// that this shard should be marked serving only after a reparent
+	// operation has succeeded.
+	waitForReparent      bool
 	externallyReparented int64
 	currentPrimary       *topodatapb.TabletAlias
 }
@@ -361,8 +365,32 @@ func (kss *keyspaceState) onHealthCheck(th *TabletHealth) {
 	// if the shard went from serving to not serving, or the other way around, the keyspace
 	// is undergoing an availability event
 	if sstate.serving != th.Serving {
-		sstate.serving = th.Serving
 		kss.consistent = false
+		switch {
+		case th.Serving && sstate.waitForReparent:
+			// While waiting for a reparent, if we receive a serving primary,
+			// we should check if the primary term start time is greater than the externally reparented time.
+			// We mark the shard serving only if it is. This is required so that we don't prematurely stop
+			// buffering for PRS, or TabletExternallyReparented, after seeing a serving healthcheck from the
+			// same old primary tablet that has already been turned read-only.
+			if th.PrimaryTermStartTime > sstate.externallyReparented {
+				sstate.waitForReparent = false
+				sstate.serving = true
+			}
+		case th.Serving && !sstate.waitForReparent:
+			sstate.serving = true
+		case !th.Serving:
+			sstate.serving = false
+			// Once we have seen a non-serving primary healthcheck, there is no need for us to explicitly wait
+			// for a reparent to happen. We use waitForReparent to ensure that we don't prematurely stop
+			// buffering when we receive a serving healthcheck from the primary that is being demoted.
+			// However, if we receive a non-serving check, then we know that we won't receive any more serving
+			// healthchecks anymore until reparent finishes. Specifically, this helps us when PRS fails, but
+			// stops gracefully because the new candidate couldn't get caught up in time. In this case, we promote
+			// the previous primary back. Without turning off waitForReparent here, we wouldn't be able to stop
+			// buffering for that case.
+			sstate.waitForReparent = false
+		}
 	}
 
 	// if the primary for this shard has been externally reparented, we're undergoing a failover,
@@ -777,3 +805,36 @@ func (kew *KeyspaceEventWatcher) WaitForConsistentKeyspaces(ctx context.Context,
 		}
 	}
 }
+
+// MarkShardNotServing marks the given shard not serving.
+// We use this when we start buffering for a given shard. This helps
+// coordinate between the sharding logic and the keyspace event watcher.
+// We take in a boolean as well to tell us whether this error is because
+// a reparent is ongoing. If it is, we also mark the shard to wait for a reparent.
+// The return argument is whether the shard was found and marked not serving successfully or not.
+func (kew *KeyspaceEventWatcher) MarkShardNotServing(ctx context.Context, keyspace string, shard string, isReparentErr bool) bool {
+	kss := kew.getKeyspaceStatus(ctx, keyspace)
+	if kss == nil {
+		// Only happens if the keyspace was deleted.
+		return false
+	}
+	kss.mu.Lock()
+	defer kss.mu.Unlock()
+	sstate := kss.shards[shard]
+	if sstate == nil {
+		// This only happens if the shard is deleted, or if
+		// the keyspace event watcher hasn't seen the shard at all.
+		return false
+	}
+	// Mark the keyspace inconsistent and the shard not serving.
+	kss.consistent = false
+	sstate.serving = false
+	if isReparentErr {
+		// If the error was triggered because a reparent operation has started.
+		// We mark the shard to wait for a reparent to finish before marking it serving.
+		// This is required to prevent premature stopping of buffering if we receive
+		// a serving healthcheck from a primary that is being demoted.
+		sstate.waitForReparent = true
+	}
+	return true
+}
diff --git a/go/vt/vtgate/buffer/buffer.go b/go/vt/vtgate/buffer/buffer.go
index 260fb272544..126a3a8826d 100644
--- a/go/vt/vtgate/buffer/buffer.go
+++ b/go/vt/vtgate/buffer/buffer.go
@@ -94,6 +94,18 @@ func CausedByFailover(err error) bool {
 	return isFailover
 }
 
+// IsErrorDueToReparenting is a stronger check than CausedByFailover, meant to return
+// if the failure is caused because of a reparent.
+func IsErrorDueToReparenting(err error) bool {
+	if vterrors.Code(err) != vtrpcpb.Code_CLUSTER_EVENT {
+		return false
+	}
+	if strings.Contains(err.Error(), ClusterEventReshardingInProgress) {
+		return false
+	}
+	return true
+}
+
 // for debugging purposes
 func getReason(err error) string {
 	for _, ce := range ClusterEvents {
@@ -175,7 +187,7 @@ func (b *Buffer) GetConfig() *Config {
 // It returns an error if buffering failed (e.g. buffer full).
 // If it does not return an error, it may return a RetryDoneFunc which must be
 // called after the request was retried.
-func (b *Buffer) WaitForFailoverEnd(ctx context.Context, keyspace, shard string, err error) (RetryDoneFunc, error) {
+func (b *Buffer) WaitForFailoverEnd(ctx context.Context, keyspace, shard string, kev *discovery.KeyspaceEventWatcher, err error) (RetryDoneFunc, error) {
 	// If an err is given, it must be related to a failover.
 	// We never buffer requests with other errors.
 	if err != nil && !CausedByFailover(err) {
@@ -192,7 +204,7 @@ func (b *Buffer) WaitForFailoverEnd(ctx context.Context, keyspace, shard string,
 		requestsSkipped.Add([]string{keyspace, shard, skippedDisabled}, 1)
 		return nil, nil
 	}
-	return sb.waitForFailoverEnd(ctx, keyspace, shard, err)
+	return sb.waitForFailoverEnd(ctx, keyspace, shard, kev, err)
 }
 
 func (b *Buffer) HandleKeyspaceEvent(ksevent *discovery.KeyspaceEvent) {
diff --git a/go/vt/vtgate/buffer/buffer_helper_test.go b/go/vt/vtgate/buffer/buffer_helper_test.go
index 2deb460fc39..1276f0cd751 100644
--- a/go/vt/vtgate/buffer/buffer_helper_test.go
+++ b/go/vt/vtgate/buffer/buffer_helper_test.go
@@ -50,7 +50,7 @@ func issueRequestAndBlockRetry(ctx context.Context, t *testing.T, b *Buffer, err
 	bufferingStopped := make(chan error)
 
 	go func() {
-		retryDone, err := b.WaitForFailoverEnd(ctx, keyspace, shard, failoverErr)
+		retryDone, err := b.WaitForFailoverEnd(ctx, keyspace, shard, nil, failoverErr)
 		if err != nil {
 			bufferingStopped <- err
 		}
diff --git a/go/vt/vtgate/buffer/buffer_test.go b/go/vt/vtgate/buffer/buffer_test.go
index 7f32364d57f..2973ef2dfb9 100644
--- a/go/vt/vtgate/buffer/buffer_test.go
+++ b/go/vt/vtgate/buffer/buffer_test.go
@@ -107,7 +107,7 @@ func testBuffering1(t *testing.T, fail failover) {
 	}
 
 	// Subsequent requests with errors not related to the failover are not buffered.
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nonFailoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, nonFailoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests with non-failover errors must never be buffered. err: %v retryDone: %v", err, retryDone)
 	}
 
@@ -155,7 +155,7 @@ func testBuffering1(t *testing.T, fail failover) {
 	}
 
 	// Second failover: Buffering is skipped because last failover is too recent.
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, failoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, failoverErr); err != nil || retryDone != nil {
 		t.Fatalf("subsequent failovers must be skipped due to -buffer_min_time_between_failovers setting. err: %v retryDone: %v", err, retryDone)
 	}
 	if got, want := requestsSkipped.Counts()[statsKeyJoinedLastFailoverTooRecent], int64(1); got != want {
@@ -213,7 +213,7 @@ func testDryRun1(t *testing.T, fail failover) {
 	b := New(cfg)
 
 	// Request does not get buffered.
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, failoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, failoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests must not be buffered during dry-run. err: %v retryDone: %v", err, retryDone)
 	}
 	// But the internal state changes though.
@@ -259,10 +259,10 @@ func testPassthrough1(t *testing.T, fail failover) {
 
 	b := New(cfg)
 
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, nil); err != nil || retryDone != nil {
 		t.Fatalf("requests with no error must never be buffered. err: %v retryDone: %v", err, retryDone)
 	}
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nonFailoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, nonFailoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests with non-failover errors must never be buffered. err: %v retryDone: %v", err, retryDone)
 	}
 
@@ -298,7 +298,7 @@ func testLastReparentTooRecentBufferingSkipped1(t *testing.T, fail failover) {
 	now = now.Add(1 * time.Second)
 	fail(b, newPrimary, keyspace, shard, now)
 
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, failoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, failoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests where the failover end was recently detected before the start must not be buffered. err: %v retryDone: %v", err, retryDone)
 	}
 	if err := waitForPoolSlots(b, cfg.Size); err != nil {
@@ -395,10 +395,10 @@ func testPassthroughDuringDrain1(t *testing.T, fail failover) {
 	}
 
 	// Requests during the drain will be passed through and not buffered.
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, nil); err != nil || retryDone != nil {
 		t.Fatalf("requests with no error must not be buffered during a drain. err: %v retryDone: %v", err, retryDone)
 	}
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, failoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, shard, nil, failoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests with failover errors must not be buffered during a drain. err: %v retryDone: %v", err, retryDone)
 	}
 
@@ -430,7 +430,7 @@ func testPassthroughIgnoredKeyspaceOrShard1(t *testing.T, fail failover) {
 	b := New(cfg)
 
 	ignoredKeyspace := "ignored_ks"
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), ignoredKeyspace, shard, failoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), ignoredKeyspace, shard, nil, failoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests for ignored keyspaces must not be buffered. err: %v retryDone: %v", err, retryDone)
 	}
 	statsKeyJoined := strings.Join([]string{ignoredKeyspace, shard, skippedDisabled}, ".")
@@ -439,7 +439,7 @@ func testPassthroughIgnoredKeyspaceOrShard1(t *testing.T, fail failover) {
 	}
 
 	ignoredShard := "ff-"
-	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, ignoredShard, failoverErr); err != nil || retryDone != nil {
+	if retryDone, err := b.WaitForFailoverEnd(context.Background(), keyspace, ignoredShard, nil, failoverErr); err != nil || retryDone != nil {
 		t.Fatalf("requests for ignored shards must not be buffered. err: %v retryDone: %v", err, retryDone)
 	}
 	if err := waitForPoolSlots(b, cfg.Size); err != nil {
@@ -621,7 +621,7 @@ func testEvictionNotPossible1(t *testing.T, fail failover) {
 
 	// Newer requests of the second failover cannot evict anything because
 	// they have no entries buffered.
-	retryDone, bufferErr := b.WaitForFailoverEnd(context.Background(), keyspace, shard2, failoverErr)
+	retryDone, bufferErr := b.WaitForFailoverEnd(context.Background(), keyspace, shard2, nil, failoverErr)
 	if bufferErr == nil || retryDone != nil {
 		t.Fatalf("buffer should have returned an error because it's full: err: %v retryDone: %v", bufferErr, retryDone)
 	}
diff --git a/go/vt/vtgate/buffer/shard_buffer.go b/go/vt/vtgate/buffer/shard_buffer.go
index a58b86f670a..34fa919cfac 100644
--- a/go/vt/vtgate/buffer/shard_buffer.go
+++ b/go/vt/vtgate/buffer/shard_buffer.go
@@ -136,7 +136,7 @@ func (sb *shardBuffer) disabled() bool {
 	return sb.mode == bufferModeDisabled
 }
 
-func (sb *shardBuffer) waitForFailoverEnd(ctx context.Context, keyspace, shard string, err error) (RetryDoneFunc, error) {
+func (sb *shardBuffer) waitForFailoverEnd(ctx context.Context, keyspace, shard string, kev *discovery.KeyspaceEventWatcher, err error) (RetryDoneFunc, error) {
 	// We assume if err != nil then it's always caused by a failover.
 	// Other errors must be filtered at higher layers.
 	failoverDetected := err != nil
@@ -210,7 +210,11 @@ func (sb *shardBuffer) waitForFailoverEnd(ctx context.Context, keyspace, shard s
 			return nil, nil
 		}
 
-		sb.startBufferingLocked(err)
+		// Try to start buffering. If we're unsuccessful, then we exit early.
+		if !sb.startBufferingLocked(ctx, kev, err) {
+			sb.mu.Unlock()
+			return nil, nil
+		}
 	}
 
 	if sb.mode == bufferModeDryRun {
@@ -254,7 +258,16 @@ func (sb *shardBuffer) shouldBufferLocked(failoverDetected bool) bool {
 	panic("BUG: All possible states must be covered by the switch expression above.")
 }
 
-func (sb *shardBuffer) startBufferingLocked(err error) {
+func (sb *shardBuffer) startBufferingLocked(ctx context.Context, kev *discovery.KeyspaceEventWatcher, err error) bool {
+	if kev != nil {
+		if !kev.MarkShardNotServing(ctx, sb.keyspace, sb.shard, IsErrorDueToReparenting(err)) {
+			// We failed to mark the shard as not serving. Do not buffer the request.
+			// This can happen if the keyspace has been deleted or if the keyspace even watcher
+			// hasn't yet seen the shard. Keyspace event watcher might not stop buffering for this
+			// request at all until it times out. It's better to not buffer this request.
+			return false
+		}
+	}
 	// Reset monitoring data from previous failover.
 	lastRequestsInFlightMax.Set(sb.statsKey, 0)
 	lastRequestsDryRunMax.Set(sb.statsKey, 0)
@@ -280,6 +293,7 @@ func (sb *shardBuffer) startBufferingLocked(err error) {
 		sb.buf.config.MaxFailoverDuration,
 		errorsanitizer.NormalizeError(err.Error()),
 	)
+	return true
 }
 
 // logErrorIfStateNotLocked logs an error if the current state is not "state".
diff --git a/go/vt/vtgate/buffer/variables_test.go b/go/vt/vtgate/buffer/variables_test.go
index a0640bde9e4..30d2426c639 100644
--- a/go/vt/vtgate/buffer/variables_test.go
+++ b/go/vt/vtgate/buffer/variables_test.go
@@ -51,7 +51,7 @@ func TestVariablesAreInitialized(t *testing.T) {
 	// Create a new buffer and make a call which will create the shardBuffer object.
 	// After that, the variables should be initialized for that shard.
 	b := New(NewDefaultConfig())
-	_, err := b.WaitForFailoverEnd(context.Background(), "init_test", "0", nil /* err */)
+	_, err := b.WaitForFailoverEnd(context.Background(), "init_test", "0", nil, nil)
 	if err != nil {
 		t.Fatalf("buffer should just passthrough and not return an error: %v", err)
 	}
diff --git a/go/vt/vtgate/tabletgateway.go b/go/vt/vtgate/tabletgateway.go
index 21087fe5370..2a7be6595bb 100644
--- a/go/vt/vtgate/tabletgateway.go
+++ b/go/vt/vtgate/tabletgateway.go
@@ -273,7 +273,7 @@ func (gw *TabletGateway) withRetry(ctx context.Context, target *querypb.Target,
 		// b) no transaction was created yet.
 		if gw.buffer != nil && !bufferedOnce && !inTransaction && target.TabletType == topodatapb.TabletType_PRIMARY {
 			// The next call blocks if we should buffer during a failover.
-			retryDone, bufferErr := gw.buffer.WaitForFailoverEnd(ctx, target.Keyspace, target.Shard, err)
+			retryDone, bufferErr := gw.buffer.WaitForFailoverEnd(ctx, target.Keyspace, target.Shard, gw.kev, err)
 
 			// Request may have been buffered.
 			if retryDone != nil {

From 517f5192b9f28502700deb1e754c81505b08f5e9 Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Fri, 25 Oct 2024 16:23:09 +0530
Subject: [PATCH 16/19] test: fix test to also send a higher primary timestamp

Signed-off-by: Manan Gupta <manan@planetscale.com>
---
 go/vt/discovery/fake_healthcheck.go      | 15 +++++++++++++++
 go/vt/vtgate/tabletgateway_flaky_test.go |  3 ++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/go/vt/discovery/fake_healthcheck.go b/go/vt/discovery/fake_healthcheck.go
index cb959902c19..823ad4e5503 100644
--- a/go/vt/discovery/fake_healthcheck.go
+++ b/go/vt/discovery/fake_healthcheck.go
@@ -172,6 +172,21 @@ func (fhc *FakeHealthCheck) SetTabletType(tablet *topodatapb.Tablet, tabletType
 	item.ts.Target.TabletType = tabletType
 }
 
+// SetPrimaryTimestamp sets the primary timestamp for the given tablet
+func (fhc *FakeHealthCheck) SetPrimaryTimestamp(tablet *topodatapb.Tablet, timestamp int64) {
+	if fhc.ch == nil {
+		return
+	}
+	fhc.mu.Lock()
+	defer fhc.mu.Unlock()
+	key := TabletToMapKey(tablet)
+	item, isPresent := fhc.items[key]
+	if !isPresent {
+		return
+	}
+	item.ts.PrimaryTermStartTime = timestamp
+}
+
 // Unsubscribe is not implemented.
 func (fhc *FakeHealthCheck) Unsubscribe(c chan *TabletHealth) {
 }
diff --git a/go/vt/vtgate/tabletgateway_flaky_test.go b/go/vt/vtgate/tabletgateway_flaky_test.go
index fbca19ecbad..55b559ef3ca 100644
--- a/go/vt/vtgate/tabletgateway_flaky_test.go
+++ b/go/vt/vtgate/tabletgateway_flaky_test.go
@@ -234,6 +234,7 @@ func TestGatewayBufferingWhileReparenting(t *testing.T) {
 	hc.SetTabletType(primaryTablet, topodatapb.TabletType_REPLICA)
 	hc.Broadcast(primaryTablet)
 	hc.SetTabletType(replicaTablet, topodatapb.TabletType_PRIMARY)
+	hc.SetPrimaryTimestamp(replicaTablet, 100) // We set a higher timestamp than before to simulate a PRS.
 	hc.SetServing(replicaTablet, true)
 	hc.Broadcast(replicaTablet)
 
@@ -245,7 +246,7 @@ outer:
 			require.Fail(t, "timed out - could not verify the new primary")
 		case <-time.After(10 * time.Millisecond):
 			newPrimary, shouldBuffer := tg.kev.ShouldStartBufferingForTarget(ctx, target)
-			if newPrimary != nil && newPrimary.Uid == 1 && !shouldBuffer {
+			if newPrimary != nil && newPrimary.Uid == replicaTablet.Alias.Uid && !shouldBuffer {
 				break outer
 			}
 		}

From d77fae7d2e42416279ec7db72b02bfeb2998703c Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Fri, 25 Oct 2024 16:54:12 +0530
Subject: [PATCH 17/19] feat: add tests for processing of health checks and
 also fix a bug

Signed-off-by: Manan Gupta <manan@planetscale.com>
---
 go/vt/discovery/keyspace_events.go      |  20 ++-
 go/vt/discovery/keyspace_events_test.go | 228 ++++++++++++++++++++++++
 2 files changed, 239 insertions(+), 9 deletions(-)

diff --git a/go/vt/discovery/keyspace_events.go b/go/vt/discovery/keyspace_events.go
index 8332e99679b..4a82b173e9b 100644
--- a/go/vt/discovery/keyspace_events.go
+++ b/go/vt/discovery/keyspace_events.go
@@ -381,17 +381,19 @@ func (kss *keyspaceState) onHealthCheck(th *TabletHealth) {
 			sstate.serving = true
 		case !th.Serving:
 			sstate.serving = false
-			// Once we have seen a non-serving primary healthcheck, there is no need for us to explicitly wait
-			// for a reparent to happen. We use waitForReparent to ensure that we don't prematurely stop
-			// buffering when we receive a serving healthcheck from the primary that is being demoted.
-			// However, if we receive a non-serving check, then we know that we won't receive any more serving
-			// healthchecks anymore until reparent finishes. Specifically, this helps us when PRS fails, but
-			// stops gracefully because the new candidate couldn't get caught up in time. In this case, we promote
-			// the previous primary back. Without turning off waitForReparent here, we wouldn't be able to stop
-			// buffering for that case.
-			sstate.waitForReparent = false
 		}
 	}
+	if !th.Serving {
+		// Once we have seen a non-serving primary healthcheck, there is no need for us to explicitly wait
+		// for a reparent to happen. We use waitForReparent to ensure that we don't prematurely stop
+		// buffering when we receive a serving healthcheck from the primary that is being demoted.
+		// However, if we receive a non-serving check, then we know that we won't receive any more serving
+		// healthchecks anymore until reparent finishes. Specifically, this helps us when PRS fails, but
+		// stops gracefully because the new candidate couldn't get caught up in time. In this case, we promote
+		// the previous primary back. Without turning off waitForReparent here, we wouldn't be able to stop
+		// buffering for that case.
+		sstate.waitForReparent = false
+	}
 
 	// if the primary for this shard has been externally reparented, we're undergoing a failover,
 	// which is considered an availability event. update this shard to point it to the new tablet
diff --git a/go/vt/discovery/keyspace_events_test.go b/go/vt/discovery/keyspace_events_test.go
index 1a4c473e7cb..87ecac3355d 100644
--- a/go/vt/discovery/keyspace_events_test.go
+++ b/go/vt/discovery/keyspace_events_test.go
@@ -421,6 +421,234 @@ func TestWaitForConsistentKeyspaces(t *testing.T) {
 	}
 }
 
+func TestOnHealthCheck(t *testing.T) {
+	testcases := []struct {
+		name                     string
+		ss                       *shardState
+		th                       *TabletHealth
+		wantServing              bool
+		wantWaitForReparent      bool
+		wantExternallyReparented int64
+		wantUID                  uint32
+	}{
+		{
+			name: "Non primary tablet health ignored",
+			ss: &shardState{
+				serving:              false,
+				waitForReparent:      false,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_REPLICA,
+				},
+				Serving: true,
+			},
+			wantServing:              false,
+			wantWaitForReparent:      false,
+			wantExternallyReparented: 10,
+			wantUID:                  1,
+		}, {
+			name: "Serving primary seen in non-serving shard",
+			ss: &shardState{
+				serving:              false,
+				waitForReparent:      false,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_PRIMARY,
+				},
+				Serving:              true,
+				PrimaryTermStartTime: 20,
+				Tablet: &topodatapb.Tablet{
+					Alias: &topodatapb.TabletAlias{
+						Cell: testCell,
+						Uid:  2,
+					},
+				},
+			},
+			wantServing:              true,
+			wantWaitForReparent:      false,
+			wantExternallyReparented: 20,
+			wantUID:                  2,
+		}, {
+			name: "New serving primary seen while waiting for reparent",
+			ss: &shardState{
+				serving:              false,
+				waitForReparent:      true,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_PRIMARY,
+				},
+				Serving:              true,
+				PrimaryTermStartTime: 20,
+				Tablet: &topodatapb.Tablet{
+					Alias: &topodatapb.TabletAlias{
+						Cell: testCell,
+						Uid:  2,
+					},
+				},
+			},
+			wantServing:              true,
+			wantWaitForReparent:      false,
+			wantExternallyReparented: 20,
+			wantUID:                  2,
+		}, {
+			name: "Old serving primary seen while waiting for reparent",
+			ss: &shardState{
+				serving:              false,
+				waitForReparent:      true,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_PRIMARY,
+				},
+				Serving:              true,
+				PrimaryTermStartTime: 10,
+				Tablet: &topodatapb.Tablet{
+					Alias: &topodatapb.TabletAlias{
+						Cell: testCell,
+						Uid:  1,
+					},
+				},
+			},
+			wantServing:              false,
+			wantWaitForReparent:      true,
+			wantExternallyReparented: 10,
+			wantUID:                  1,
+		}, {
+			name: "Old non-serving primary seen while waiting for reparent",
+			ss: &shardState{
+				serving:              false,
+				waitForReparent:      true,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_PRIMARY,
+				},
+				Serving:              false,
+				PrimaryTermStartTime: 10,
+				Tablet: &topodatapb.Tablet{
+					Alias: &topodatapb.TabletAlias{
+						Cell: testCell,
+						Uid:  1,
+					},
+				},
+			},
+			wantServing:              false,
+			wantWaitForReparent:      false,
+			wantExternallyReparented: 10,
+			wantUID:                  1,
+		}, {
+			name: "New serving primary while already serving",
+			ss: &shardState{
+				serving:              true,
+				waitForReparent:      false,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_PRIMARY,
+				},
+				Serving:              true,
+				PrimaryTermStartTime: 20,
+				Tablet: &topodatapb.Tablet{
+					Alias: &topodatapb.TabletAlias{
+						Cell: testCell,
+						Uid:  2,
+					},
+				},
+			},
+			wantServing:              true,
+			wantWaitForReparent:      false,
+			wantExternallyReparented: 20,
+			wantUID:                  2,
+		}, {
+			name: "Primary goes non serving",
+			ss: &shardState{
+				serving:              true,
+				waitForReparent:      false,
+				externallyReparented: 10,
+				currentPrimary: &topodatapb.TabletAlias{
+					Cell: testCell,
+					Uid:  1,
+				},
+			},
+			th: &TabletHealth{
+				Target: &querypb.Target{
+					TabletType: topodatapb.TabletType_PRIMARY,
+				},
+				Serving:              false,
+				PrimaryTermStartTime: 10,
+				Tablet: &topodatapb.Tablet{
+					Alias: &topodatapb.TabletAlias{
+						Cell: testCell,
+						Uid:  1,
+					},
+				},
+			},
+			wantServing:              false,
+			wantWaitForReparent:      false,
+			wantExternallyReparented: 10,
+			wantUID:                  1,
+		},
+	}
+
+	ksName := "ks"
+	shard := "-80"
+	kss := &keyspaceState{
+		mu:       sync.Mutex{},
+		keyspace: ksName,
+		shards:   make(map[string]*shardState),
+	}
+	// Adding this so that we don't run any topo calls from ensureConsistentLocked.
+	kss.moveTablesState = &MoveTablesState{
+		Typ:   MoveTablesRegular,
+		State: MoveTablesSwitching,
+	}
+	for _, tt := range testcases {
+		t.Run(tt.name, func(t *testing.T) {
+			kss.shards[shard] = tt.ss
+			tt.th.Target.Keyspace = ksName
+			tt.th.Target.Shard = shard
+			kss.onHealthCheck(tt.th)
+			require.Equal(t, tt.wantServing, tt.ss.serving)
+			require.Equal(t, tt.wantWaitForReparent, tt.ss.waitForReparent)
+			require.Equal(t, tt.wantExternallyReparented, tt.ss.externallyReparented)
+			require.Equal(t, tt.wantUID, tt.ss.currentPrimary.Uid)
+		})
+	}
+}
+
 type fakeTopoServer struct {
 }
 

From b0e2f6435aa818244047e08dfd95d5de4a29530a Mon Sep 17 00:00:00 2001
From: Manan Gupta <manan@planetscale.com>
Date: Fri, 25 Oct 2024 17:00:53 +0530
Subject: [PATCH 18/19] test: add more unit tests

Signed-off-by: Manan Gupta <manan@planetscale.com>
Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 go/vt/vtgate/buffer/buffer_test.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/go/vt/vtgate/buffer/buffer_test.go b/go/vt/vtgate/buffer/buffer_test.go
index 2973ef2dfb9..0ce05ab1f38 100644
--- a/go/vt/vtgate/buffer/buffer_test.go
+++ b/go/vt/vtgate/buffer/buffer_test.go
@@ -23,6 +23,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/assert"
+
 	"vitess.io/vitess/go/vt/topo/topoproto"
 	"vitess.io/vitess/go/vt/vterrors"
 
@@ -68,6 +70,32 @@ var (
 	}
 )
 
+func TestIsErrorDueToReparenting(t *testing.T) {
+	testcases := []struct {
+		err  error
+		want bool
+	}{
+		{
+			err:  vterrors.Errorf(vtrpcpb.Code_CLUSTER_EVENT, ClusterEventReshardingInProgress),
+			want: false,
+		},
+		{
+			err:  vterrors.Errorf(vtrpcpb.Code_CLUSTER_EVENT, ClusterEventReparentInProgress),
+			want: true,
+		},
+		{
+			err:  vterrors.Errorf(vtrpcpb.Code_CLUSTER_EVENT, "The MySQL server is running with the --super-read-only option"),
+			want: true,
+		},
+	}
+	for _, tt := range testcases {
+		t.Run(tt.err.Error(), func(t *testing.T) {
+			got := IsErrorDueToReparenting(tt.err)
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}
+
 func TestBuffering(t *testing.T) {
 	testAllImplementations(t, testBuffering1)
 }

From fd8c3cbcc2191340aea5320085d522047978b8da Mon Sep 17 00:00:00 2001
From: Arthur Schreiber <arthurschreiber@github.com>
Date: Fri, 8 Nov 2024 01:55:57 +0000
Subject: [PATCH 19/19] Appease the linter.

Signed-off-by: Arthur Schreiber <arthurschreiber@github.com>
---
 go/vt/discovery/keyspace_events.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/go/vt/discovery/keyspace_events.go b/go/vt/discovery/keyspace_events.go
index 4a82b173e9b..24bb47be585 100644
--- a/go/vt/discovery/keyspace_events.go
+++ b/go/vt/discovery/keyspace_events.go
@@ -474,6 +474,7 @@ func (kss *keyspaceState) getMoveTablesStatus(vs *vschemapb.SrvVSchema) (*MoveTa
 	mu := sync.Mutex{}
 	eg, ectx := errgroup.WithContext(shortCtx)
 	for _, sstate := range kss.shards {
+		sstate := sstate
 		eg.Go(func() error {
 			si, err := ts.GetShard(ectx, kss.keyspace, sstate.target.Shard)
 			if err != nil {