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#
# Test to ensure that we don't get stack overflows
#
drop table if exists t1,t2;
#
# MDEV-5724
# Server crashes on SQL select containing more group by and left join
# statements
# This was because record_buffer was 300,000 bytes and caused stack overflow
#
CREATE TABLE t1 (
`sspo_id` int(11) NOT NULL AUTO_INCREMENT,
`sspo_uid` int(11) NOT NULL DEFAULT '0',
`sspo_type` varchar(1) NOT NULL DEFAULT 'P',
`sspo_text` longtext NOT NULL,
`sspo_image` varchar(255) NOT NULL,
`sspo_source` int(11) NOT NULL DEFAULT '0',
`sspo_event_name` varchar(255) NOT NULL DEFAULT '',
`sspo_event_location` varchar(255) NOT NULL DEFAULT '',
`sspo_event_date` datetime DEFAULT NULL,
`sspo_remote_title` varchar(255) NOT NULL,
`sspo_remote_url` varchar(255) NOT NULL,
`sspo_remote_desc` text NOT NULL,
`sspo_remote_image` varchar(255) NOT NULL,
`sspo_obj_status` varchar(1) NOT NULL DEFAULT 'A',
`sspo_cr_date` datetime NOT NULL DEFAULT '1970-01-01 00:00:00',
`sspo_cr_uid` int(11) NOT NULL DEFAULT '0',
`sspo_lu_date` datetime NOT NULL DEFAULT '1970-01-01 00:00:00',
`sspo_lu_uid` int(11) NOT NULL DEFAULT '0',
PRIMARY KEY (`sspo_id`),
KEY `post_uid` (`sspo_uid`,`sspo_cr_date`)
) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=utf8;
INSERT INTO t1 VALUES (1,2,'P','test1','',0,'','',NULL,'','','','','A','2013-09-30 00:19:32',2,'2013-09-30 00:19:32',2),(2,2,'P','bbb','',0,'','',NULL,'','','','','A','2013-10-02 15:06:35',2,'2013-10-02 15:06:35',2);
CREATE TABLE `t2` (
`spoo_id` int(11) NOT NULL AUTO_INCREMENT,
`spoo_user_type_id` int(11) NOT NULL DEFAULT '0',
`spoo_uid` int(11) NOT NULL DEFAULT '0',
`spoo_option_id` int(11) NOT NULL DEFAULT '0',
`spoo_value` varchar(10000) NOT NULL,
`spoo_obj_status` varchar(1) NOT NULL DEFAULT 'A',
`spoo_cr_date` datetime NOT NULL DEFAULT '1970-01-01 00:00:00',
`spoo_cr_uid` int(11) NOT NULL DEFAULT '0',
`spoo_lu_date` datetime NOT NULL DEFAULT '1970-01-01 00:00:00',
`spoo_lu_uid` int(11) NOT NULL DEFAULT '0',
PRIMARY KEY (`spoo_id`),
KEY `object_option_main_idx` (`spoo_user_type_id`,`spoo_uid`,`spoo_option_id`,`spoo_value`(255))
) ENGINE=InnoDB AUTO_INCREMENT=107 DEFAULT CHARSET=utf8;
INSERT INTO `t2` VALUES (19,1,2,6,'Dortmund','A','2013-09-26 01:36:51',2,'2013-09-26 01:36:51',2),(20,1,2,8,'49','A','2013-09-26 01:36:51',2,'2013-09-26 01:36:51',2);
SELECT Count(*)
FROM t1 AS tbl
LEFT JOIN t2 a
ON a.spoo_uid = sspo_uid
AND a.spoo_option_id = 1
LEFT JOIN t2 b
ON b.spoo_uid = sspo_uid
AND b.spoo_option_id = 2
LEFT JOIN t2 c
ON c.spoo_uid = sspo_uid
AND c.spoo_option_id = 3
LEFT JOIN t2 d
ON d.spoo_uid = sspo_uid
AND d.spoo_option_id = 5
LEFT JOIN t2 e
ON e.spoo_uid = sspo_uid
AND e.spoo_option_id = 4
LEFT JOIN t2 f
ON f.spoo_uid = sspo_uid
AND f.spoo_option_id = 11
LEFT JOIN t2 g
ON g.spoo_uid = sspo_uid
AND g.spoo_option_id = 7
LEFT JOIN t2 h
ON h.spoo_uid = sspo_uid
AND h.spoo_option_id = 10
LEFT JOIN t2 i
ON i.spoo_uid = sspo_uid
AND i.spoo_option_id = 18
LEFT JOIN t2 j
ON j.spoo_uid = sspo_uid
AND j.spoo_option_id = 6
GROUP BY a.spoo_value,
b.spoo_value,
c.spoo_value,
d.spoo_value,
e.spoo_value,
f.spoo_value,
g.spoo_value,
h.spoo_value,
i.spoo_value,
j.spoo_value;
drop table t1,t2;
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