diff options
Diffstat (limited to 'mysql-test/t/innodb_mysql.test')
| -rw-r--r-- | mysql-test/t/innodb_mysql.test | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mysql-test/t/innodb_mysql.test b/mysql-test/t/innodb_mysql.test index 63eff93ba7f..7ecee4d2924 100644 --- a/mysql-test/t/innodb_mysql.test +++ b/mysql-test/t/innodb_mysql.test @@ -589,6 +589,36 @@ ALTER TABLE t1 DROP INDEX k, ADD UNIQUE INDEX k (a,b); DROP TABLE t1; + +--echo # +--echo # Bug #47453: InnoDB incorrectly changes TIMESTAMP columns when +--echo # JOINed during an UPDATE +--echo # + +CREATE TABLE t1 (d INT) ENGINE=InnoDB; +CREATE TABLE t2 (a INT, b INT, + c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP + ON UPDATE CURRENT_TIMESTAMP) ENGINE=InnoDB; + +--echo set up our data elements +INSERT INTO t1 (d) VALUES (1); +INSERT INTO t2 (a,b) VALUES (1,1); +SELECT SECOND(c) INTO @bug47453 FROM t2; + +SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a; +UPDATE t1 JOIN t2 ON d=a SET b=1 WHERE a=1; +SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a; + +SELECT SLEEP(1); + +UPDATE t1 JOIN t2 ON d=a SET b=1 WHERE a=1; + +--echo #should be 0 +SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a; + +DROP TABLE t1, t2; + + --echo End of 5.1 tests |