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Bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE KEY

UPDATE if the row wasn't actually changed.

This bug was caused by fix for bug#19978. It causes AFTER UPDATE triggers
not firing if a row wasn't actually changed by the update part of the
INSERT .. ON DUPLICATE KEY UPDATE.

Now triggers are always fired if a row is touched by the INSERT ... ON
DUPLICATE KEY UPDATE.


sql/sql_insert.cc:
  Bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE KEY
  UPDATE if the row wasn't actually changed.
  Now triggers are always fired if a row is touched by the INSERT ... ON
  DUPLICATE KEY UPDATE.
mysql-test/r/trigger.result:
  Added a test case for the bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE KEY
  UPDATE if the row wasn't actually changed.
mysql-test/t/trigger.test:
  Added a test case for the bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE KEY
  UPDATE if the row wasn't actually changed.
This commit is contained in:
unknown
2007-03-16 17:23:26 +03:00
parent 43b9ff1b21
commit 6d93f15039
3 changed files with 85 additions and 6 deletions

View File

@@ -1372,4 +1372,45 @@ INSERT INTO bug22580_t1 VALUES (1,1);
DROP TABLE bug22580_t1;
DROP PROCEDURE bug22580_proc_1;
DROP PROCEDURE bug22580_proc_2;
DROP TRIGGER IF EXISTS trg27006_a_update;
DROP TRIGGER IF EXISTS trg27006_a_insert;
CREATE TABLE t1 (
`id` int(10) unsigned NOT NULL auto_increment,
`val` varchar(10) NOT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE t2 like t1;
CREATE TRIGGER trg27006_a_insert AFTER INSERT ON t1 FOR EACH ROW
BEGIN
insert into t2 values (NULL,new.val);
END |
CREATE TRIGGER trg27006_a_update AFTER UPDATE ON t1 FOR EACH ROW
BEGIN
insert into t2 values (NULL,new.val);
END |
INSERT INTO t1(val) VALUES ('test1'),('test2');
SELECT * FROM t1;
id val
1 test1
2 test2
SELECT * FROM t2;
id val
1 test1
2 test2
INSERT INTO t1 VALUES (2,'test2') ON DUPLICATE KEY UPDATE val=VALUES(val);
INSERT INTO t1 VALUES (3,'test3') ON DUPLICATE KEY UPDATE val=VALUES(val);
SELECT * FROM t1;
id val
1 test1
2 test2
3 test3
SELECT * FROM t2;
id val
1 test1
2 test2
3 test2
4 test3
DROP TRIGGER trg27006_a_insert;
DROP TRIGGER trg27006_a_update;
drop table t1,t2;
End of 5.0 tests