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Merge branch bb-10.4-release into bb-10.5-release

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This commit is contained in:
Nikita Malyavin
2021-05-05 23:17:20 +03:00
parent ca1dc0789b a4139f8d68
commit 3f55c56951
109 changed files with 1802 additions and 534 deletions
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34
mysql-test/main/derived_split_innodb.result
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@@ -142,3 +142,37 @@ id select_type table type possible_keys key key_len ref rows Extra
3 DERIVED t2 index NULL PRIMARY 4 NULL 3
drop view v1;
drop table t1,t2;
#
# MDEV-23723: Crash when test_if_skip_sort_order() is checked for derived table subject to split
#
CREATE TABLE t1 (a INT, b INT, KEY (a), KEY (a,b)) ENGINE=InnoDB;
CREATE TABLE t2 (c INT, KEY (c)) ENGINE=InnoDB;
SELECT * FROM t1 t1a JOIN t1 t1b;
a b a b
INSERT INTO t2 VALUES (1),(2);
INSERT INTO t1 VALUES (1,2),(3,4),(5,6),(7,8),(9,10),(11,12);
set statement optimizer_switch='split_materialized=off' for EXPLAIN
SELECT *
FROM
t1 JOIN
(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt
WHERE
t1.a = dt.a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index a,a_2 a_2 10 NULL 6 Using where; Using index
1 PRIMARY <derived3> ref key0 key0 5 test.t1.a 2
3 DERIVED t1 index NULL a_2 10 NULL 6 Using where; Using index
3 DERIVED t2 ref c c 5 test.t1.b 1 Using index
set statement optimizer_switch='split_materialized=on' for EXPLAIN
SELECT *
FROM
t1 JOIN
(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt
WHERE
t1.a = dt.a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index a,a_2 a_2 10 NULL 6 Using where; Using index
1 PRIMARY <derived3> ref key0 key0 5 test.t1.a 2
3 LATERAL DERIVED t1 ref a,a_2 a 5 test.t1.a 1 Using where; Using temporary; Using filesort
3 LATERAL DERIVED t2 ref c c 5 test.t1.b 1 Using index
DROP TABLE t1, t2;