#
# Single table specific update/delete tests (mysql_update and mysql_delete)
#
--source include/have_innodb.inc


--echo #
--echo # Bug #53742: UPDATEs have no effect after applying patch for bug 36569
--echo #

CREATE TABLE t1 (
  pk INT NOT NULL AUTO_INCREMENT,
  c1_idx CHAR(1) DEFAULT 'y',
  c2 INT,
  PRIMARY KEY (pk),
  INDEX c1_idx (c1_idx)
) ENGINE=InnoDB;

INSERT INTO t1 VALUES (), (), (), ();

SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
UPDATE t1 SET c2 = 0 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC;

DELETE FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC;

DROP TABLE t1;