collatedstring_uniqueindex2.slt

# Copyright 2015 - 2019 The Cockroach Authors. All rights reserved.
# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.
#
# This file is derived from the logic test suite in CockroachDB. The
# original file was retrieved on June 10, 2019 from:
#
#     https://github.com/cockroachdb/cockroach/blob/d2f7fbf5dd1fc1a099bbad790a2e1f7c60a66cc3/pkg/sql/logictest/testdata/logic_test/collatedstring_uniqueindex2
#
# The original source code is subject to the terms of the Apache
# 2.0 license, a copy of which can be found in the LICENSE file at the
# root of this repository.

# not supported yet
halt

mode cockroach

##
# Test a primary key with a collated string in second position (cannot get a key range).
#
# German collation chart: http://www.unicode.org/cldr/charts/30/collation/de.html

statement ok
CREATE TABLE t (
  a STRING COLLATE de,
  b INT,
  c BOOL,
  PRIMARY KEY (b, a)
)

statement ok
INSERT INTO t VALUES
  ('A' COLLATE de, 1, TRUE),
  ('A' COLLATE de, 2, NULL),
  ('a' COLLATE de, 2, FALSE),
  ('a' COLLATE de, 3, TRUE),
  ('B' COLLATE de, 3, NULL),
  ('b' COLLATE de, 4, FALSE),
  ('ü' COLLATE de, 6, TRUE),
  ('ü' COLLATE de, 5, NULL),
  ('x' COLLATE de, 5, FALSE)

statement ok
CREATE UNIQUE INDEX ON t (a, b)

query TI
SELECT a, b FROM t ORDER BY a, b
----
a  2
a  3
A  1
A  2
b  4
B  3
ü  5
ü  6
x  5

query IT
SELECT b, a FROM t ORDER BY b, a
----
1  A
2  a
2  A
3  a
3  B
4  b
5  ü
5  x
6  ü

query I
SELECT COUNT (a) FROM t WHERE a = ('a' COLLATE de)
----
2

query I
SELECT COUNT (a) FROM t WHERE a = ('y' COLLATE de)
----
0

query I
SELECT COUNT (a) FROM t WHERE a > ('a' COLLATE de) AND a < ('c' COLLATE de)
----
4

# Update and try again.

statement ok
UPDATE t SET a = (a :: STRING || a :: STRING) COLLATE de

query TI
SELECT a, b FROM t ORDER BY a, b
----
aa  2
aa  3
AA  1
AA  2
bb  4
BB  3
üü  5
üü  6
xx  5

query IT
SELECT b, a FROM t ORDER BY b, a
----
1  AA
2  aa
2  AA
3  aa
3  BB
4  bb
5  üü
5  xx
6  üü

# Delete and try again

statement ok
DELETE FROM t WHERE a > ('a' COLLATE de) AND a < ('c' COLLATE de)

query TI
SELECT a, b FROM t ORDER BY a, b
----
üü  5
üü  6
xx  5

query IT
SELECT b, a FROM t ORDER BY b, a
----
5  üü
5  xx
6  üü