224 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			224 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
|  | SET SESSION STORAGE_ENGINE = InnoDB; | ||
|  | drop table if exists t1,t2,t3; | ||
|  | set @save_query_cache_size = @@global.query_cache_size; | ||
|  | set GLOBAL query_cache_size = 1355776; | ||
|  | flush status; | ||
|  | set autocommit=0; | ||
|  | create table t1 (a int not null); | ||
|  | insert into t1 values (1),(2),(3); | ||
|  | select * from t1; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | 3 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	0 | ||
|  | drop table t1; | ||
|  | commit; | ||
|  | set autocommit=1; | ||
|  | begin; | ||
|  | create table t1 (a int not null); | ||
|  | insert into t1 values (1),(2),(3); | ||
|  | select * from t1; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | 3 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	1 | ||
|  | drop table t1; | ||
|  | commit; | ||
|  | create table t1 (a int not null); | ||
|  | create table t2 (a int not null); | ||
|  | create table t3 (a int not null); | ||
|  | insert into t1 values (1),(2); | ||
|  | insert into t2 values (1),(2); | ||
|  | insert into t3 values (1),(2); | ||
|  | select * from t1; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | select * from t2; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | select * from t3; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	3 | ||
|  | show status like "Qcache_hits"; | ||
|  | Variable_name	Value | ||
|  | Qcache_hits	0 | ||
|  | begin; | ||
|  | select * from t1; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | select * from t2; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | select * from t3; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	6 | ||
|  | show status like "Qcache_hits"; | ||
|  | Variable_name	Value | ||
|  | Qcache_hits	0 | ||
|  | insert into t1 values (3); | ||
|  | insert into t2 values (3); | ||
|  | insert into t1 values (4); | ||
|  | select * from t1; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | 3 | ||
|  | 4 | ||
|  | select * from t2; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | 3 | ||
|  | select * from t3; | ||
|  | a | ||
|  | 1 | ||
|  | 2 | ||
|  | 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	1 | ||
|  | commit; | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	2 | ||
|  | drop table t3,t2,t1; | ||
|  | CREATE TABLE t1 (id int(11) NOT NULL auto_increment, PRIMARY KEY (id)); | ||
|  | select count(*) from t1; | ||
|  | count(*) | ||
|  | 0 | ||
|  | insert into t1 (id) values (0); | ||
|  | select count(*) from t1; | ||
|  | count(*) | ||
|  | 1 | ||
|  | drop table t1; | ||
|  | CREATE TABLE t1 ( id int(10) NOT NULL auto_increment, a varchar(25) default NULL, PRIMARY KEY  (id), UNIQUE KEY a (a)); | ||
|  | CREATE TABLE t2 ( id int(10) NOT NULL auto_increment, b varchar(25) default NULL, PRIMARY KEY  (id), UNIQUE KEY b (b)); | ||
|  | CREATE TABLE t3 ( id int(10) NOT NULL auto_increment, t1_id int(10) NOT NULL default '0', t2_id int(10) NOT NULL default '0', state int(11) default NULL, PRIMARY KEY  (id), UNIQUE KEY t1_id (t1_id,t2_id), KEY t2_id (t2_id,t1_id), CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`t1_id`) REFERENCES `t1` (`id`), CONSTRAINT `t3_ibfk_2` FOREIGN KEY (`t2_id`) REFERENCES `t2` (`id`)); | ||
|  | INSERT INTO t1 VALUES (1,'me'); | ||
|  | INSERT INTO t2 VALUES (1,'you'); | ||
|  | INSERT INTO t3 VALUES (2,1,1,2); | ||
|  | delete from t3 where t1_id = 1 and t2_id = 1; | ||
|  | select t1.* from t1, t2, t3 where t3.state & 1 = 0 and t3.t1_id = t1.id and t3.t2_id = t2.id and t1.id = 1 order by t1.a asc; | ||
|  | id	a | ||
|  | begin; | ||
|  | insert into t3 VALUES ( NULL, 1, 1, 2 ); | ||
|  | insert into t3 VALUES ( NULL, 1, 1, 2 ); | ||
|  | ERROR 23000: Duplicate entry '1-1' for key 't1_id' | ||
|  | commit; | ||
|  | select t1.* from t1, t2, t3 where t3.state & 1 = 0 and t3.t1_id = t1.id and t3.t2_id = t2.id and t1.id = 1 order by t1.a asc; | ||
|  | id	a | ||
|  | 1	me | ||
|  | drop table t3,t2,t1; | ||
|  | SET SESSION STORAGE_ENGINE = InnoDB; | ||
|  | SET @@autocommit=1; | ||
|  | connection default | ||
|  | SHOW VARIABLES LIKE 'have_query_cache'; | ||
|  | Variable_name	Value | ||
|  | have_query_cache	YES | ||
|  | SET GLOBAL query_cache_size = 200000; | ||
|  | flush status; | ||
|  | SET @@autocommit=1; | ||
|  | SET SESSION STORAGE_ENGINE = InnoDB; | ||
|  | CREATE TABLE t2 (s1 int, s2 varchar(1000), key(s1)); | ||
|  | INSERT INTO t2 VALUES (1,repeat('a',10)),(2,repeat('a',10)),(3,repeat('a',10)),(4,repeat('a',10)); | ||
|  | COMMIT; | ||
|  | START TRANSACTION; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 0 | ||
|  | UPDATE t2 SET s2 = 'w' WHERE s1 = 3; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 1 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	0 | ||
|  | connection connection1 | ||
|  | START TRANSACTION; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 0 | ||
|  | INSERT INTO t2 VALUES (5,'w'); | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 1 | ||
|  | COMMIT; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 1 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	0 | ||
|  | connection default | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 1 | ||
|  | COMMIT; | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	0 | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 2 | ||
|  | show status like "Qcache_queries_in_cache"; | ||
|  | Variable_name	Value | ||
|  | Qcache_queries_in_cache	1 | ||
|  | connection connection1 | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 2 | ||
|  | START TRANSACTION; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 2 | ||
|  | INSERT INTO t2 VALUES (6,'w'); | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 3 | ||
|  | connection default | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 2 | ||
|  | START TRANSACTION; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 2 | ||
|  | DELETE from t2 WHERE s1=3; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 1 | ||
|  | COMMIT; | ||
|  | connection connection1 | ||
|  | COMMIT; | ||
|  | SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w'; | ||
|  | count(*) | ||
|  | 2 | ||
|  | 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	1 | ||
|  | set @@global.query_cache_size = @save_query_cache_size; | ||
|  | drop table t2; |