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MDEV-5740: Assertion `!derived->first_select()->exclude_from_table_unique_test || derived->outer_select()-> exclude_from_table_unique_test' failed on 2nd execution of PS with derived_merge

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Do not check tables of executed units.
Debug info about stages of derived tables execution added.
This commit is contained in:
unknown 2014-03-07 13:57:07 +02:00
commit 321ff25f3d
5 changed files with 112 additions and 20 deletions
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27
mysql-test/t/derived_view.test
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@ -1703,6 +1703,33 @@ ORDER BY gallery_name ASC
drop table galleries, pictures;
--echo #
--echo # MDEV-5740: Assertion
--echo #`!derived->first_select()->exclude_from_table_unique_test ||
--echo #derived->outer_select()-> exclude_from_table_unique_test'
--echo #failed on 2nd execution of PS with derived_merge
--echo #
set @save_optimizer_switch5740=@@optimizer_switch;
SET optimizer_switch = 'derived_merge=on';
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (3),(4);
PREPARE stmt FROM '
INSERT INTO t1 SELECT * FROM t2 UNION SELECT * FROM (SELECT * FROM t1) AS sq
';
EXECUTE stmt;
select * from t1;
EXECUTE stmt;
select * from t1;
deallocate prepare stmt;
drop table t1,t2;
set optimizer_switch=@save_optimizer_switch5740;
--echo #
--echo # end of 5.3 tests
--echo #