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add test

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This commit is contained in:
zvonand 2023-08-25 17:13:24 +05:00
parent d5f26cece5
commit 6c1312ea0e
2 changed files with 21 additions and 0 deletions
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4
tests/queries/0_stateless/02867_null_lc_in_bug.reference Normal file
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pure nullable result:
qwe
wrapping in LC:
qwe

17
tests/queries/0_stateless/02867_null_lc_in_bug.sql Normal file
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-- https://github.com/ClickHouse/ClickHouse/issues/50570
DROP TABLE IF EXISTS tnul SYNC;
DROP TABLE IF EXISTS tlc SYNC;
CREATE TABLE tnul (lc Nullable(String)) ENGINE = MergeTree ORDER BY tuple();
INSERT INTO tnul VALUES (NULL), ('qwe');
SELECT 'pure nullable result:';
SELECT lc FROM tnul WHERE notIn(lc, ('rty', 'uiop'));
DROP TABLE tnul SYNC;
CREATE TABLE tlc (lc LowCardinality(Nullable(String))) ENGINE = MergeTree ORDER BY tuple();
INSERT INTO tlc VALUES (NULL), ('qwe');
SELECT 'wrapping in LC:';
SELECT lc FROM tlc WHERE notIn(lc, ('rty', 'uiop'));
DROP TABLE tlc SYNC;