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MDEV-19407: Assertion `field->table->stats_is_read' failed in is_eits_usable

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Statistics were not read for a table when we had a CREATE TABLE query.
Enforce reading statistics for commands CREATE TABLE, SET and DO.
This commit is contained in:
Varun Gupta
2019-05-15 01:38:28 +05:30
parent a941e58fb8
commit 6ab9d1627a
4 changed files with 61 additions and 0 deletions
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20
mysql-test/t/stat_tables.test
View File

@ -469,9 +469,29 @@ 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;
set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
set @save_optimizer_switch=@@optimizer_switch;