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Merge 10.1 into 10.2

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Marko Mäkelä
2020-08-10 17:57:14 +03:00
parent 0460d42b94 7f67ef1485
commit 3b6dadb5eb
19 changed files with 412 additions and 410 deletions
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41
mysql-test/r/subselect4.result
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@ -2609,6 +2609,47 @@ Central America and the Caribbean 442 66422
SET @@optimizer_switch= @save_optimizer_switch;
DROP TABLE t1;
#
# MDEV-9513: Assertion `join->group_list || !join->is_in_subquery()' failed in create_sort_index
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (a INT);
INSERT INTO t2 VALUES (2),(3);
EXPLAIN
SELECT t1.a FROM t1 WHERE t1.a IN ( SELECT A.a FROM t1 A UNION SELECT B.a FROM t2 B ORDER BY 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY A ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT UNION B ALL NULL NULL NULL NULL 2 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
SELECT t1.a FROM t1 WHERE t1.a IN ( SELECT A.a FROM t1 A UNION SELECT B.a FROM t2 B ORDER BY 1);
a
1
2
EXPLAIN
SELECT t1.a FROM t1 WHERE EXISTS (SELECT A.a FROM t1 A UNION SELECT B.a FROM t2 B ORDER BY 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY A ALL NULL NULL NULL NULL 2
3 UNION B ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
SELECT t1.a FROM t1 WHERE EXISTS (SELECT A.a FROM t1 A UNION SELECT B.a FROM t2 B ORDER BY 1);
a
1
2
EXPLAIN
SELECT t1.a FROM t1 WHERE t1.a IN ( SELECT A.a FROM t1 A UNION ALL SELECT B.a FROM t2 B ORDER BY 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY A ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT UNION B ALL NULL NULL NULL NULL 2 Using where
SELECT t1.a FROM t1 WHERE t1.a IN ( SELECT A.a FROM t1 A UNION ALL SELECT B.a FROM t2 B ORDER BY 1);
a
1
2
DROP TABLE t1,t2;
# end of 10.1 tests
#
# MDEV-22852: SIGSEGV in sortlength (optimized builds)
#
SET @save_optimizer_switch=@@optimizer_switch;