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Fixed the case when statistics were not getting read because

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we had the statistics tables in the FROM list of the select.
The statistics for tables are not read in such cases, so we need
to check this case separately.
This commit is contained in:
Varun Gupta
2019-05-16 13:49:47 +05:30
parent 6ab9d1627a
commit 70a5fb49a7
4 changed files with 29 additions and 1 deletions
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6
mysql-test/t/stat_tables.test
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@ -492,6 +492,12 @@ 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;