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Merge 10.2 into 10.3

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This commit is contained in:
Marko Mäkelä
2019-05-16 14:24:29 +03:00
parent b7d22a843e 796486d19b
commit 3d56adbfac
10 changed files with 179 additions and 3 deletions
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26
mysql-test/main/stat_tables.test
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@ -469,9 +469,35 @@ CREATE VIEW v AS SELECT * FROM t1 JOIN t2;
INSERT INTO t2 SELECT * FROM x;
select * from information_schema.tables where table_name='v';
set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
drop table t1,t2;
drop view v;
--echo #
--echo # MDEV-19407: Assertion `field->table->stats_is_read' failed in is_eits_usable
--echo #
set @save_optimizer_use_condition_selectivity= @@optimizer_use_condition_selectivity;
set @@optimizer_use_condition_selectivity= 1;
set @@use_stat_tables='never';
create table t1(pk int);
insert into t1 values (4),(3);
set @@optimizer_use_condition_selectivity= 4;
set use_stat_tables='preferably';
--error ER_NO_SUCH_TABLE
INSERT INTO t1 SELECT * FROM x;
CREATE TABLE t2 SELECT pk FROM t1 WHERE pk>2;
select * from t2;
drop table t1,t2;
create table t1(a int,b int, key k1(a) );
insert into t1 values(1,1),(2,2),(3,3);
analyze table t1;
select * from mysql.index_stats, t1 where index_name='k1' and t1.a > 1 and t1.b > 1;
drop table t1;
set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
set @save_optimizer_switch=@@optimizer_switch;