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# include/query_cache_partitions.inc
#
# The variables
# $engine_type -- storage engine to be tested
# have to be set before sourcing this script.
SET global query_cache_type=ON;
SET local query_cache_type=ON;
eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type;
# Initialise
--disable_warnings
drop table if exists t1;
--enable_warnings
set @save_query_cache_size = @@global.query_cache_size;
--echo # 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;
INSERT INTO t1 VALUES (1, now(), 0);
flush status;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
drop table t1;
--echo # 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;
INSERT INTO t1 VALUES (1, now(), 0);
flush status;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
drop table t1;
--echo #
--echo # MySQL bug#53775 Query on partitioned table returns cached result
--echo # from previous transaction
--echo #
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";
show status like "Qcache_hits";
BEGIN;
UPDATE `t1` SET `cool` = 1 WHERE `id` = 1;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
ROLLBACK;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
BEGIN;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
ROLLBACK;
SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
drop table t1;
set @@global.query_cache_size = @save_query_cache_size;
SET global query_cache_type=default;
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