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backends-clickhouse/src/main/antlr4/org/apache/gluten/sql/parser/GlutenClickhouseSqlBase.g4
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You 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. | ||
*/ | ||
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grammar GlutenClickhouseSqlBase; | ||
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@members { | ||
/** | ||
* Verify whether current token is a valid decimal token (which contains dot). | ||
* Returns true if the character that follows the token is not a digit or letter or underscore. | ||
* | ||
* For example: | ||
* For char stream "2.3", "2." is not a valid decimal token, because it is followed by digit '3'. | ||
* For char stream "2.3_", "2.3" is not a valid decimal token, because it is followed by '_'. | ||
* For char stream "2.3W", "2.3" is not a valid decimal token, because it is followed by 'W'. | ||
* For char stream "12.0D 34.E2+0.12 " 12.0D is a valid decimal token because it is folllowed | ||
* by a space. 34.E2 is a valid decimal token because it is followed by symbol '+' | ||
* which is not a digit or letter or underscore. | ||
*/ | ||
public boolean isValidDecimal() { | ||
int nextChar = _input.LA(1); | ||
if (nextChar >= 'A' && nextChar <= 'Z' || nextChar >= '0' && nextChar <= '9' || | ||
nextChar == '_') { | ||
return false; | ||
} else { | ||
return true; | ||
} | ||
} | ||
} | ||
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tokens { | ||
DELIMITER | ||
} | ||
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singleStatement | ||
: statement ';'* EOF | ||
; | ||
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statement | ||
: CACHE META? DATA ASYN? SELECT selectedColumns=selectedColumnNames | ||
FROM (path=STRING | table=qualifiedName) (AFTER filter=filterClause)? | ||
(CACHEPROPERTIES cacheProps=propertyList)? #cacheData | ||
| .*? #passThrough | ||
; | ||
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qualifiedName | ||
: identifier (DOT identifier)* | ||
; | ||
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selectedColumnNames | ||
: ASTERISK | ||
| identifier (COMMA identifier)* | ||
; | ||
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filterClause | ||
: TIMESTAMP AS OF timestamp=STRING | ||
| datepartition=identifier AS OF datetime=STRING | ||
; | ||
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propertyList | ||
: LEFT_PAREN property (COMMA property)* RIGHT_PAREN | ||
; | ||
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property | ||
: key=propertyKey (EQ? value=propertyValue)? | ||
; | ||
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propertyKey | ||
: identifier (DOT identifier)* | ||
| stringLit | ||
; | ||
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propertyValue | ||
: INTEGER_VALUE | ||
| DECIMAL_VALUE | ||
| booleanValue | ||
| identifier LEFT_PAREN stringLit COMMA stringLit RIGHT_PAREN | ||
| value=stringLit | ||
; | ||
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stringLit | ||
: STRING | ||
| DOUBLEQUOTED_STRING | ||
; | ||
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booleanValue | ||
: TRUE | FALSE | ||
; | ||
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identifier | ||
: IDENTIFIER #unquotedIdentifier | ||
| quotedIdentifier #quotedIdentifierAlternative | ||
| nonReserved #unquotedIdentifier | ||
; | ||
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quotedIdentifier | ||
: BACKQUOTED_IDENTIFIER | ||
; | ||
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// Add keywords here so that people's queries don't break if they have a column name as one of | ||
// these tokens | ||
nonReserved | ||
: CACHE | META | ASYN | DATA | ||
| SELECT | FOR | AFTER | CACHEPROPERTIES | ||
| TIMESTAMP | AS | OF | DATE_PARTITION | ||
; | ||
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// Define how the keywords above should appear in a user's SQL statement. | ||
CACHE: 'CACHE'; | ||
META: 'META'; | ||
ASYN: 'ASYN'; | ||
DATA: 'DATA'; | ||
SELECT: 'SELECT'; | ||
COMMA: ','; | ||
FOR: 'FOR'; | ||
FROM: 'FROM'; | ||
AFTER: 'AFTER'; | ||
CACHEPROPERTIES: 'CACHEPROPERTIES'; | ||
DOT: '.'; | ||
ASTERISK: '*'; | ||
TIMESTAMP: 'TIMESTAMP'; | ||
AS: 'AS'; | ||
OF: 'OF'; | ||
DATE_PARTITION: 'DATE_PARTITION'; | ||
LEFT_PAREN: '('; | ||
RIGHT_PAREN: ')'; | ||
TRUE: 'TRUE'; | ||
FALSE: 'FALSE'; | ||
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EQ : '=' | '=='; | ||
NSEQ: '<=>'; | ||
NEQ : '<>'; | ||
NEQJ: '!='; | ||
LTE : '<=' | '!>'; | ||
GTE : '>=' | '!<'; | ||
CONCAT_PIPE: '||'; | ||
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STRING | ||
: '\'' ( ~('\''|'\\') | ('\\' .) )* '\'' | ||
| '"' ( ~('"'|'\\') | ('\\' .) )* '"' | ||
; | ||
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DOUBLEQUOTED_STRING | ||
:'"' ( ~('"'|'\\') | ('\\' .) )* '"' | ||
; | ||
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BIGINT_LITERAL | ||
: DIGIT+ 'L' | ||
; | ||
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SMALLINT_LITERAL | ||
: DIGIT+ 'S' | ||
; | ||
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TINYINT_LITERAL | ||
: DIGIT+ 'Y' | ||
; | ||
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INTEGER_VALUE | ||
: DIGIT+ | ||
; | ||
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DECIMAL_VALUE | ||
: DIGIT+ EXPONENT | ||
| DECIMAL_DIGITS EXPONENT? {isValidDecimal()}? | ||
; | ||
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DOUBLE_LITERAL | ||
: DIGIT+ EXPONENT? 'D' | ||
| DECIMAL_DIGITS EXPONENT? 'D' {isValidDecimal()}? | ||
; | ||
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BIGDECIMAL_LITERAL | ||
: DIGIT+ EXPONENT? 'BD' | ||
| DECIMAL_DIGITS EXPONENT? 'BD' {isValidDecimal()}? | ||
; | ||
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IDENTIFIER | ||
: (LETTER | DIGIT | '_')+ | ||
; | ||
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BACKQUOTED_IDENTIFIER | ||
: '`' ( ~'`' | '``' )* '`' | ||
; | ||
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fragment DECIMAL_DIGITS | ||
: DIGIT+ '.' DIGIT* | ||
| '.' DIGIT+ | ||
; | ||
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fragment EXPONENT | ||
: 'E' [+-]? DIGIT+ | ||
; | ||
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fragment DIGIT | ||
: [0-9] | ||
; | ||
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fragment LETTER | ||
: [A-Z] | ||
; | ||
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SIMPLE_COMMENT | ||
: '--' ~[\r\n]* '\r'? '\n'? -> channel(HIDDEN) | ||
; | ||
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BRACKETED_COMMENT | ||
: '/*' .*? '*/' -> channel(HIDDEN) | ||
; | ||
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WS : [ \r\n\t]+ -> channel(HIDDEN) | ||
; | ||
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// Catch-all for anything we can't recognize. | ||
// We use this to be able to ignore and recover all the text | ||
// when splitting statements with DelimiterLexer | ||
UNRECOGNIZED | ||
: . | ||
; |
24 changes: 20 additions & 4 deletions
24
backends-clickhouse/src/main/java/org/apache/gluten/execution/CHNativeCacheManager.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You 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 org.apache.gluten.execution; | ||
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import java.util.Set; | ||
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public class CHNativeCacheManager { | ||
public static void cacheParts(String table, Set<String> columns, boolean async) { | ||
nativeCacheParts(table, String.join(",", columns), async); | ||
} | ||
public static void cacheParts(String table, Set<String> columns, boolean async) { | ||
nativeCacheParts(table, String.join(",", columns), async); | ||
} | ||
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private static native void nativeCacheParts(String table, String columns, boolean async); | ||
private static native void nativeCacheParts(String table, String columns, boolean async); | ||
} |
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