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mirror of https://github.com/MariaDB/server.git synced 2025-07-27 18:02:13 +03:00

Merge branch '10.5' into 10.6

This commit is contained in:
Sergei Golubchik
2024-05-08 20:06:00 +02:00
360 changed files with 9013 additions and 2214 deletions

View File

@ -858,5 +858,62 @@ SELECT * FROM t1 WHERE t1.a IN (SELECT b FROM
(SELECT t2.b FROM t2 WHERE NOT EXISTS (SELECT 1 FROM t3) GROUP BY b) sq);
a
DROP TABLE t1, t2, t3;
#
# MDEV-23878: Wrong result with semi-join and splittable derived table
#
CREATE TABLE t1 (
groupId int,
id int unsigned,
PRIMARY KEY (groupId, id)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES
(8,1),(8,2),(8,3),(8,4),(8,5),(8,6),(8,7),(8,8),(8,9),(8,10),
(8,11),(8,12),(8,13),(8,14),(8,15),(8,16),(8,17),(8,18),(8,19);
set statement in_predicate_conversion_threshold=2 for SELECT COUNT(*) AS cnt FROM t1
JOIN
(
SELECT groupId, id
FROM t1
WHERE id IN (1,2,3,4,5,6)
GROUP BY groupId, id
) AS t2
USING (groupId, id)
WHERE id IN (1,2,3,4,5,6,7,8);
cnt
6
set statement in_predicate_conversion_threshold=2 for EXPLAIN SELECT COUNT(*) AS cnt FROM t1
JOIN
(
SELECT groupId, id
FROM t1
WHERE id IN (1,2,3,4,5,6)
GROUP BY groupId, id
) AS t2
USING (groupId, id)
WHERE id IN (1,2,3,4,5,6,7,8);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index PRIMARY PRIMARY 8 NULL 19 Using index
1 PRIMARY <subquery4> eq_ref distinct_key distinct_key 4 func 1 Using where
1 PRIMARY <derived3> ref key0 key0 8 test.t1.groupId,test.t1.id 2
4 MATERIALIZED <derived5> ALL NULL NULL NULL NULL 8
5 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used
3 LATERAL DERIVED t1 eq_ref PRIMARY PRIMARY 8 test.t1.groupId,test.t1.id 1 Using index
3 LATERAL DERIVED <derived7> ref key0 key0 4 test.t1.id 2 Using where; FirstMatch(t1)
7 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used
set statement optimizer_switch='split_materialized=off, loosescan=off' for
set statement in_predicate_conversion_threshold=2 for
SELECT COUNT(*) AS cnt FROM t1
JOIN
(
SELECT groupId, id
FROM t1
WHERE id IN (1,2,3,4,5,6)
GROUP BY groupId, id
) AS t2
USING (groupId, id)
WHERE id IN (1,2,3,4,5,6,7,8);
cnt
6
DROP TABLE t1;
# End of 10.4 tests
SET GLOBAL innodb_stats_persistent=@save_innodb_stats_persistent;