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Merge pull request #59892 from ClickHouse/vdimir/02988_join_using_prewhere_pushdown

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Add test 02988_join_using_prewhere_pushdown
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vdimir 2024-02-13 09:59:15 +01:00 committed by GitHub
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2
tests/queries/0_stateless/02988_join_using_prewhere_pushdown.reference Normal file
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@ -0,0 +1,2 @@
1 a
2 b Int64

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tests/queries/0_stateless/02988_join_using_prewhere_pushdown.sql Normal file
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DROP TABLE IF EXISTS t;
SET allow_suspicious_low_cardinality_types = 1;
CREATE TABLE t (`id` UInt16, `u` LowCardinality(Int32), `s` LowCardinality(String))
ENGINE = MergeTree ORDER BY id;
INSERT INTO t VALUES (1,1,'a'),(2,2,'b');
SELECT u, s FROM t
INNER JOIN ( SELECT number :: Int32 AS u FROM numbers(10) ) AS t1
USING (u)
WHERE u != 2
;
SELECT u, s, toTypeName(u) FROM t
FULL JOIN ( SELECT number :: UInt32 AS u FROM numbers(10) ) AS t1
USING (u)
WHERE u == 2
ORDER BY 1
;
DROP TABLE IF EXISTS t;