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Added a test

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This commit is contained in:
Alexey Milovidov 2020-07-06 05:48:35 +03:00
parent 1ca45c1b7e
commit eb2cffab37
2 changed files with 50 additions and 0 deletions
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27
tests/queries/0_stateless/01373_is_zero_or_null.reference Normal file
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1 1
1 1
0 0
\N 1
---
1 1
1 1
0 0
---
hello
world
---
hello
world
---
hello
world
\N
---
hello
world
xyz
---
hello
world
xyz
\N

23
tests/queries/0_stateless/01373_is_zero_or_null.sql Normal file
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SELECT NOT x, isZeroOrNull(x) FROM (SELECT arrayJoin([1, 2, 3, NULL]) = 3 AS x);
SELECT '---';
SELECT NOT x, isZeroOrNull(x) FROM (SELECT arrayJoin([1, 2, 3]) = 3 AS x);
SELECT '---';
CREATE TEMPORARY TABLE test (x String NULL);
INSERT INTO test VALUES ('hello'), ('world'), ('xyz'), (NULL);
SELECT * FROM test WHERE x != 'xyz';
SELECT '---';
SELECT * FROM test WHERE NOT x = 'xyz';
SELECT '---';
SELECT * FROM test WHERE isZeroOrNull(x = 'xyz');
SELECT '---';
SELECT * FROM test WHERE x != 'xyz'
UNION ALL
SELECT * FROM test WHERE NOT x != 'xyz';
SELECT '---';
SELECT * FROM test WHERE x != 'xyz'
UNION ALL
SELECT * FROM test WHERE isZeroOrNull(x != 'xyz');