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Merge branch '10.4' into 10.5

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This commit is contained in:
Sergei Golubchik
2021-02-23 13:01:27 +01:00
parent 1a0526e2f2 245d33db4e
commit f33e57a9e6
89 changed files with 1850 additions and 1359 deletions
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19
mysql-test/main/innodb_ext_key.result
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@ -799,6 +799,21 @@ 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;
set global innodb_stats_persistent= @innodb_stats_persistent_save;
set global innodb_stats_persistent_sample_pages=
@innodb_stats_persistent_sample_pages_save;
set global innodb_stats_persistent_sample_pages= @innodb_stats_persistent_sample_pages_save;