mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
156 lines
4.3 KiB
Text
156 lines
4.3 KiB
Text
SET global query_cache_type=ON;
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SET local query_cache_type=ON;
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SET SESSION STORAGE_ENGINE = myisam;
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drop table if exists t1;
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set @save_query_cache_size = @@global.query_cache_size;
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# Test that partitions works with query cache
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flush query cache;
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SET GLOBAL query_cache_size=1024*1024*512;
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CREATE TABLE `t1` (
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`id` int(11) NOT NULL ,
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`created_at` datetime NOT NULL,
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`cool` tinyint default 0
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);
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ALTER TABLE t1 PARTITION BY RANGE (TO_DAYS(created_at)) (
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PARTITION month_2010_4 VALUES LESS THAN (734258),
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PARTITION month_2010_5 VALUES LESS THAN (734289),
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PARTITION month_max VALUES LESS THAN MAXVALUE
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);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`created_at` datetime NOT NULL,
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`cool` tinyint(4) DEFAULT '0'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY RANGE (TO_DAYS(created_at))
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(PARTITION month_2010_4 VALUES LESS THAN (734258) ENGINE = MyISAM,
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PARTITION month_2010_5 VALUES LESS THAN (734289) ENGINE = MyISAM,
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PARTITION month_max VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
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INSERT INTO t1 VALUES (1, now(), 0);
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flush status;
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 0
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show status like "Qcache_hits";
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Variable_name Value
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Qcache_hits 0
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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0
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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0
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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0
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 1
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show status like "Qcache_hits";
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Variable_name Value
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Qcache_hits 2
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drop table t1;
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# Test that sub-partitions works with query cache
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flush query cache;
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SET GLOBAL query_cache_size=1024*1024*512;
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CREATE TABLE `t1` (
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`id` int(11) NOT NULL ,
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`created_at` datetime NOT NULL,
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`cool` tinyint default 0
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)
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PARTITION BY RANGE (TO_DAYS(created_at))
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subpartition by hash(cool) subpartitions 3 (
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PARTITION month_2010_4 VALUES LESS THAN (734258),
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PARTITION month_2010_5 VALUES LESS THAN (734289),
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PARTITION month_max VALUES LESS THAN MAXVALUE
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);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`created_at` datetime NOT NULL,
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`cool` tinyint(4) DEFAULT '0'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY RANGE (TO_DAYS(created_at))
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SUBPARTITION BY HASH (cool)
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SUBPARTITIONS 3
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(PARTITION month_2010_4 VALUES LESS THAN (734258) ENGINE = MyISAM,
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PARTITION month_2010_5 VALUES LESS THAN (734289) ENGINE = MyISAM,
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PARTITION month_max VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
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INSERT INTO t1 VALUES (1, now(), 0);
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flush status;
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 0
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show status like "Qcache_hits";
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Variable_name Value
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Qcache_hits 0
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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0
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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0
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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0
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 1
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show status like "Qcache_hits";
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Variable_name Value
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Qcache_hits 2
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drop table t1;
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#
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# MySQL bug#53775 Query on partitioned table returns cached result
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# from previous transaction
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#
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flush query cache;
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flush status;
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SET GLOBAL query_cache_size=1024*1024*512;
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CREATE TABLE `t1` (
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`id` int(11) NOT NULL ,
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`created_at` datetime NOT NULL,
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`cool` tinyint default 0
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);
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ALTER TABLE t1 PARTITION BY RANGE (TO_DAYS(created_at)) (
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PARTITION month_2010_4 VALUES LESS THAN (734258),
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PARTITION month_2010_5 VALUES LESS THAN (734289),
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PARTITION month_max VALUES LESS THAN MAXVALUE
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);
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INSERT INTO t1 VALUES (1, now(), 0);
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 0
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show status like "Qcache_hits";
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Variable_name Value
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Qcache_hits 0
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BEGIN;
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UPDATE `t1` SET `cool` = 1 WHERE `id` = 1;
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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1
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ROLLBACK;
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Warnings:
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Warning 1196 Some non-transactional changed tables couldn't be rolled back
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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1
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BEGIN;
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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1
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ROLLBACK;
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SELECT cool FROM `t1` WHERE (`t1`.id = 1) LIMIT 1;
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cool
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1
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 2
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show status like "Qcache_hits";
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Variable_name Value
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Qcache_hits 2
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drop table t1;
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set @@global.query_cache_size = @save_query_cache_size;
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SET global query_cache_type=default;
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