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Merge olga.mysql.com:/home/igor/mysql-5.0-opt

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into  olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-bug28728
This commit is contained in:
igor@olga.mysql.com
2007-06-03 00:21:42 -07:00
parent 91da3132b5 8fd809bfd8
commit cc0eff3e63
6 changed files with 102 additions and 7 deletions
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24
mysql-test/r/trigger.result
View File

@@ -1449,4 +1449,28 @@ isave
1
2
drop table t1, t2, t3;
CREATE TABLE t1 (id INTEGER);
CREATE TABLE t2 (id INTEGER);
INSERT INTO t2 VALUES (1),(2);
CREATE TRIGGER t1_test AFTER INSERT ON t1 FOR EACH ROW
INSERT INTO t2 VALUES (new.id);
SELECT GET_LOCK('B26162',20);
GET_LOCK('B26162',20)
1
SELECT 'rl_acquirer', GET_LOCK('B26162',5), id FROM t2 WHERE id = 1;
SET SESSION LOW_PRIORITY_UPDATES=1;
SET GLOBAL LOW_PRIORITY_UPDATES=1;
INSERT INTO t1 VALUES (5);
SELECT 'rl_contender', id FROM t2 WHERE id > 1;
SELECT RELEASE_LOCK('B26162');
RELEASE_LOCK('B26162')
0
rl_acquirer GET_LOCK('B26162',5) id
rl_acquirer 0 1
rl_contender id
rl_contender 2
DROP TRIGGER t1_test;
DROP TABLE t1,t2;
SET SESSION LOW_PRIORITY_UPDATES=DEFAULT;
SET GLOBAL LOW_PRIORITY_UPDATES=DEFAULT;
End of 5.0 tests

55
mysql-test/t/trigger.test
View File

@@ -1763,4 +1763,59 @@ select * from t1;
select * from t3;
drop table t1, t2, t3;
#
# Bug #26162: Trigger DML ignores low_priority_updates setting
#
CREATE TABLE t1 (id INTEGER);
CREATE TABLE t2 (id INTEGER);
INSERT INTO t2 VALUES (1),(2);
# trigger that produces the high priority insert, but should be low, adding
# LOW_PRIORITY fixes this
CREATE TRIGGER t1_test AFTER INSERT ON t1 FOR EACH ROW
INSERT INTO t2 VALUES (new.id);
CONNECT (rl_acquirer, localhost, root,,);
CONNECT (wl_acquirer, localhost, root,,);
CONNECT (rl_contender, localhost, root,,);
SELECT GET_LOCK('B26162',20);
CONNECTION rl_acquirer;
--send
SELECT 'rl_acquirer', GET_LOCK('B26162',5), id FROM t2 WHERE id = 1;
CONNECTION wl_acquirer;
SET SESSION LOW_PRIORITY_UPDATES=1;
SET GLOBAL LOW_PRIORITY_UPDATES=1;
--send
INSERT INTO t1 VALUES (5);
CONNECTION rl_contender;
# must not "see" the row inserted by the INSERT (as it must run before the
# INSERT)
--send
SELECT 'rl_contender', id FROM t2 WHERE id > 1;
CONNECTION default;
SELECT RELEASE_LOCK('B26162');
CONNECTION wl_acquirer;
--reap
CONNECTION rl_acquirer;
--reap
CONNECTION rl_contender;
--reap
CONNECTION default;
DISCONNECT rl_acquirer;
DISCONNECT wl_acquirer;
DISCONNECT rl_contender;
DROP TRIGGER t1_test;
DROP TABLE t1,t2;
SET SESSION LOW_PRIORITY_UPDATES=DEFAULT;
SET GLOBAL LOW_PRIORITY_UPDATES=DEFAULT;
--echo End of 5.0 tests