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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
parent 1f2ef57403
commit 321ff25f3d
5 changed files with 112 additions and 20 deletions
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40
mysql-test/r/derived_view.result
View File

@ -2356,6 +2356,46 @@ id select_type table type possible_keys key key_len ref rows Extra
3 DEPENDENT SUBQUERY pi ref gallery_id gallery_id 4 test.gal.id 4 Using temporary; Using filesort
drop table galleries, pictures;
#
# 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
#
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;
a
1
2
3
4
1
2
EXECUTE stmt;
select * from t1;
a
1
2
3
4
1
2
3
4
1
2
deallocate prepare stmt;
drop table t1,t2;
set optimizer_switch=@save_optimizer_switch5740;
#
# end of 5.3 tests
#
set optimizer_switch=@exit_optimizer_switch;

27
mysql-test/t/derived_view.test
View File

@ -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 #