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Merge branch '10.2' into 10.3

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This commit is contained in:
Sergei Golubchik
2021-02-22 21:25:16 +01:00
parent ca126d96f5 3c021485c9
commit 0ab1e3914c
62 changed files with 1416 additions and 1296 deletions
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16
mysql-test/main/innodb_ext_key.result
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@ -790,3 +790,19 @@ EXPLAIN
}
drop table t1;
SET optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
#
# MDEV-11172: EXPLAIN shows non-sensical value for key_len with type=index
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (
pk VARCHAR(50),
a VARCHAR(20),
KEY k1(a),
PRIMARY KEY(pk)
)ENGINE=INNODB;
INSERT INTO t2 SELECT a,a FROM t1;
EXPLAIN SELECT pk FROM t2 FORCE INDEX(k1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index NULL k1 23 NULL 10 Using index
DROP TABLE t1,t2;