database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Fix for LP bug#998516

Browse Source 
If we did nothing in resolving unique table conflict we should not retry (it leed to infinite loop).
Now we retry (recheck) unique table check only in case if we materialized a table.
This commit is contained in:
unknown
2012-05-15 08:31:07 +03:00
parent 6d41fa0d54
commit 3d37b67b2b
3 changed files with 32 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
mysql-test/r/derived_view.result
View File

@ -2087,6 +2087,24 @@ a b
drop table t1;
set optimizer_switch=@save978847_optimizer_switch;
#
# LP bug998516 Server hangs on INSERT .. SELECT with derived_merge,
# FROM subquery, UNION
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (3),(4);
INSERT INTO t1 SELECT * FROM ( SELECT * FROM t1 ) AS alias UNION SELECT * FROM t2;
select * from t1;
a
1
2
1
2
3
4
drop table t1,t2;
#
# end of 5.3 tests
#
set optimizer_switch=@exit_optimizer_switch;

13
mysql-test/t/derived_view.test
View File

@ -1437,6 +1437,19 @@ drop table t1;
set optimizer_switch=@save978847_optimizer_switch;
--echo #
--echo # LP bug998516 Server hangs on INSERT .. SELECT with derived_merge,
--echo # FROM subquery, UNION
--echo #
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (3),(4);
INSERT INTO t1 SELECT * FROM ( SELECT * FROM t1 ) AS alias UNION SELECT * FROM t2;
select * from t1;
drop table t1,t2;
--echo #
--echo # end of 5.3 tests
--echo #