SET SESSION STORAGE_ENGINE = myisam;
drop table if exists t1;
set @save_query_cache_size = @@global.query_cache_size;
# Test that partitions works with query cache
flush query cache;
SET GLOBAL query_cache_size=1024*1024*512;
CREATE TABLE `t1` (
`id` int(11) NOT NULL ,
`created_at` datetime NOT NULL,
`cool` tinyint default 0
);
ALTER TABLE t1 PARTITION BY RANGE (TO_DAYS(created_at)) (
PARTITION month_2010_4 VALUES LESS THAN (734258),
PARTITION month_2010_5 VALUES LESS THAN (734289),
PARTITION month_max VALUES LESS THAN MAXVALUE
);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `created_at` datetime NOT NULL,
  `cool` tinyint(4) DEFAULT '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (TO_DAYS(created_at))
(PARTITION month_2010_4 VALUES LESS THAN (734258) ENGINE = MyISAM,
 PARTITION month_2010_5 VALUES LESS THAN (734289) ENGINE = MyISAM,
 PARTITION month_max VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
INSERT INTO t1 VALUES (1, now(), 0);
flush status;
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	0
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	0
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
0
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
0
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
0
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	1
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	2
drop table t1;
# Test that sub-partitions works with query cache
flush query cache;
SET GLOBAL query_cache_size=1024*1024*512;
CREATE TABLE `t1` (
`id` int(11) NOT NULL ,
`created_at` datetime NOT NULL,
`cool` tinyint default 0
)
PARTITION BY RANGE (TO_DAYS(created_at))
subpartition by hash(cool) subpartitions 3 (
PARTITION month_2010_4 VALUES LESS THAN (734258),
PARTITION month_2010_5 VALUES LESS THAN (734289),
PARTITION month_max VALUES LESS THAN MAXVALUE
);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `created_at` datetime NOT NULL,
  `cool` tinyint(4) DEFAULT '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (TO_DAYS(created_at))
SUBPARTITION BY HASH (cool)
SUBPARTITIONS 3
(PARTITION month_2010_4 VALUES LESS THAN (734258) ENGINE = MyISAM,
 PARTITION month_2010_5 VALUES LESS THAN (734289) ENGINE = MyISAM,
 PARTITION month_max VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
INSERT INTO t1 VALUES (1, now(), 0);
flush status;
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	0
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	0
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
0
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
0
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
0
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	1
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	2
drop table t1;
#
# MySQL bug#53775 Query on partitioned table returns cached result
# from previous transaction
#
flush query cache;
flush status;
SET GLOBAL query_cache_size=1024*1024*512;
CREATE TABLE `t1` (
`id` int(11) NOT NULL ,
`created_at` datetime NOT NULL,
`cool` tinyint default 0
);
ALTER TABLE t1 PARTITION BY RANGE (TO_DAYS(created_at)) (
PARTITION month_2010_4 VALUES LESS THAN (734258),
PARTITION month_2010_5 VALUES LESS THAN (734289),
PARTITION month_max VALUES LESS THAN MAXVALUE
);
INSERT INTO t1 VALUES (1, now(), 0);
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	0
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	0
BEGIN;
UPDATE `t1` SET `cool` = 1 WHERE `id` = 1;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
1
ROLLBACK;
Warnings:
Warning	1196	Some non-transactional changed tables couldn't be rolled back
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
1
BEGIN;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
1
ROLLBACK;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
cool
1
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	2
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	2
drop table t1;
set @@global.query_cache_size = @save_query_cache_size;