CREATE TABLE `t1` (
`c1` int(11) NOT NULL,
`c2` datetime DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE TABLE `t2` (
`c0` varchar(10) NOT NULL,
`c1` int(11) NOT NULL,
`c2` int(11) NOT NULL,
PRIMARY KEY (`c0`,`c1`),
KEY `c1` (`c1`),
KEY `c2` (`c2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE TABLE `t3` (
`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
`c1` datetime NOT NULL,
`c2` bigint(20) NOT NULL,
`c3` int(4) unsigned NOT NULL,
PRIMARY KEY (`id`),
KEY `c2` (`c2`),
KEY `c3` (`c3`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE TABLE `t4` (
`c1` int(11) NOT NULL,
`c2` bigint(20) DEFAULT NULL,
`c3` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE ALGORITHM=UNDEFINED VIEW `v1` AS select `t4`.`c1` AS `c1`,`t4`.`c2` AS `c2`,`t4`.`c3` AS `c3` from `t4`;
UPDATE t1 a JOIN t2 b ON a.c1 = b.c1 JOIN v1 vw ON b.c2 = vw.c1 JOIN t3 del ON vw.c2 = del.c2 SET a.c2 = ( SELECT max(t.c1) FROM t3 t, v1 i WHERE del.c2 = t.c2 AND vw.c3 = i.c3 AND t.c3 = 4 ) WHERE a.c2 IS NULL OR a.c2 < '2011-05-01';
drop view v1;
drop table t1,t2,t3,t4;
#
# MDEV-10232 Scalar result of subquery changes after adding an outer select stmt
#
CREATE TABLE t1 (
a_id INT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
b_id INT(20) UNSIGNED NULL DEFAULT NULL,
c_id VARCHAR(255) NULL DEFAULT NULL,
PRIMARY KEY (a_id))COLLATE = 'utf8_general_ci' ENGINE = InnoDB;
CREATE TABLE t2 (
b_id INT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
c_id VARCHAR(255) NULL DEFAULT NULL,
PRIMARY KEY (b_id),
INDEX idx_c_id (c_id))COLLATE = 'utf8_general_ci' ENGINE = InnoDB;
INSERT INTO t1 (b_id, c_id) VALUES (NULL, NULL);
INSERT INTO t2 (c_id) VALUES (NULL);
INSERT INTO t2 (c_id) VALUES (NULL);
SELECT * FROM t1;
a_id	b_id	c_id
1	NULL	NULL
SELECT t2.b_id FROM t1,t2 WHERE t2.c_id = t1.c_id;
b_id
UPDATE t1 SET b_id = (SELECT t2.b_id FROM t2 t2 WHERE t2.c_id = t1.c_id);
SELECT * FROM t1;
a_id	b_id	c_id
1	NULL	NULL
drop table t1,t2;