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			1040 lines
		
	
	
		
			51 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			1040 lines
		
	
	
		
			51 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
set GLOBAL query_cache_size=1355776;
 | 
						||
flush query cache;
 | 
						||
flush query cache;
 | 
						||
reset query cache;
 | 
						||
flush status;
 | 
						||
drop table if exists t1,t2,t3,t4,t11,t21;
 | 
						||
drop database if exists mysqltest;
 | 
						||
create table t1 (a int not null);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
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select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select sql_no_cache * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select length(now()) from t1;
 | 
						||
length(now())
 | 
						||
19
 | 
						||
19
 | 
						||
19
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
show status like "Qcache_inserts";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_inserts	1
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	1
 | 
						||
drop table t1;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
create table t1 (a int not null);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
create table t2 (a int not null);
 | 
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insert into t2 values (4),(5),(6);
 | 
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create table t3 (a int not null) engine=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
 | 
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select * from t3;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
4
 | 
						||
5
 | 
						||
6
 | 
						||
select * from t3;
 | 
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a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
4
 | 
						||
5
 | 
						||
6
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	2
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
insert into t2  values (7);
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	3
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
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insert into t3 values (8);
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
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Qcache_queries_in_cache	0
 | 
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select * from t3;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
8
 | 
						||
4
 | 
						||
5
 | 
						||
6
 | 
						||
7
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
update t2 set a=9 where a=7;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
8
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
update t3 set a=10 where a=1;
 | 
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show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select * from t3;
 | 
						||
a
 | 
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10
 | 
						||
2
 | 
						||
3
 | 
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8
 | 
						||
4
 | 
						||
5
 | 
						||
6
 | 
						||
9
 | 
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show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
delete from t2 where a=9;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
10
 | 
						||
2
 | 
						||
3
 | 
						||
8
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
delete from t3 where a=10;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
drop table t1, t2, t3;
 | 
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create table t1 (a int not null);
 | 
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insert into t1 values (1),(2),(3);
 | 
						||
create table t2 (a int not null);
 | 
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insert into t2 values (1),(2),(3);
 | 
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select * from t1;
 | 
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a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select * from t2;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
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insert into t1 values (4);
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show status like "Qcache_free_blocks";
 | 
						||
Variable_name	Value
 | 
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Qcache_free_blocks	2
 | 
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flush query cache;
 | 
						||
show status like "Qcache_free_blocks";
 | 
						||
Variable_name	Value
 | 
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Qcache_free_blocks	1
 | 
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drop table t1, t2;
 | 
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create table t1 (a text not null);
 | 
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create table t11 (a text not null);
 | 
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create table t2 (a text not null);
 | 
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create table t21 (a text not null);
 | 
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create table t3 (a text not null);
 | 
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insert into t1 values("1111111111111111111111111111111111111111111111111111");
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
						||
insert into t11 select * from t1;
 | 
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insert into t21 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t2 select * from t1;
 | 
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insert into t1 select * from t2;
 | 
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insert into t3 select * from t1;
 | 
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insert into t3 select * from t2;
 | 
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insert into t3 select * from t1;
 | 
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select * from t11;
 | 
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select * from t21;
 | 
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show status like "Qcache_total_blocks";
 | 
						||
Variable_name	Value
 | 
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Qcache_total_blocks	7
 | 
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show status like "Qcache_free_blocks";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_free_blocks	1
 | 
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insert into t11 values("");
 | 
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select * from t3;
 | 
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show status like "Qcache_total_blocks";
 | 
						||
Variable_name	Value
 | 
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Qcache_total_blocks	8
 | 
						||
show status like "Qcache_free_blocks";
 | 
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Variable_name	Value
 | 
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Qcache_free_blocks	1
 | 
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flush query cache;
 | 
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show status like "Qcache_total_blocks";
 | 
						||
Variable_name	Value
 | 
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Qcache_total_blocks	7
 | 
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show status like "Qcache_free_blocks";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_free_blocks	1
 | 
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drop table t1, t2, t3, t11, t21;
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set query_cache_type=demand;
 | 
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create table t1 (a int not null);
 | 
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insert into t1 values (1),(2),(3);
 | 
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select * from t1;
 | 
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a
 | 
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1
 | 
						||
2
 | 
						||
3
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select sql_cache * from t1 union select * from t1;
 | 
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a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
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set query_cache_type=2;
 | 
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select sql_cache * from t1 union select * from t1;
 | 
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a
 | 
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1
 | 
						||
2
 | 
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3
 | 
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select * from t1 union select sql_cache * from t1;
 | 
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a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
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show status like "Qcache_hits";
 | 
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Variable_name	Value
 | 
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Qcache_hits	4
 | 
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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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set query_cache_type=on;
 | 
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reset query cache;
 | 
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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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select sql_no_cache * from t1;
 | 
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a
 | 
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1
 | 
						||
2
 | 
						||
3
 | 
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show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
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Qcache_queries_in_cache	0
 | 
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drop table t1;
 | 
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create table t1 (a text not null);
 | 
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select CONNECTION_ID() from t1;
 | 
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CONNECTION_ID()
 | 
						||
select FOUND_ROWS();
 | 
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FOUND_ROWS()
 | 
						||
0
 | 
						||
select NOW() from t1;
 | 
						||
NOW()
 | 
						||
select CURDATE() from t1;
 | 
						||
CURDATE()
 | 
						||
select CURTIME() from t1;
 | 
						||
CURTIME()
 | 
						||
select DATABASE() from t1;
 | 
						||
DATABASE()
 | 
						||
select ENCRYPT("test") from t1;
 | 
						||
ENCRYPT("test")
 | 
						||
select LAST_INSERT_ID() from t1;
 | 
						||
LAST_INSERT_ID()
 | 
						||
select RAND() from t1;
 | 
						||
RAND()
 | 
						||
select UNIX_TIMESTAMP() from t1;
 | 
						||
UNIX_TIMESTAMP()
 | 
						||
select USER() from t1;
 | 
						||
USER()
 | 
						||
select CURRENT_USER() from t1;
 | 
						||
CURRENT_USER()
 | 
						||
select benchmark(1,1) from t1;
 | 
						||
benchmark(1,1)
 | 
						||
explain extended select benchmark(1,1) from t1;
 | 
						||
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						||
1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
 | 
						||
Warnings:
 | 
						||
Note	1003	select sql_no_cache benchmark(1,1) AS `benchmark(1,1)` from `test`.`t1`
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
create table t2 (a text not null);
 | 
						||
insert into t1 values("1111111111111111111111111111111111111111111111111111");
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	4
 | 
						||
show status like "Qcache_lowmem_prunes";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_lowmem_prunes	0
 | 
						||
select a as a1, a as a2 from t1;
 | 
						||
select a as a2, a as a3 from t1;
 | 
						||
select a as a3, a as a4 from t1;
 | 
						||
select a as a1, a as a2 from t1;
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	4
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
show status like "Qcache_lowmem_prunes";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_lowmem_prunes	2
 | 
						||
reset query cache;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
insert into t2 select * from t1;
 | 
						||
insert into t1 select * from t2;
 | 
						||
select * from t1;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
drop table t1,t2;
 | 
						||
create database mysqltest;
 | 
						||
create table mysqltest.t1 (i int not null auto_increment, a int, primary key (i));
 | 
						||
insert into mysqltest.t1 (a) values (1);
 | 
						||
select * from mysqltest.t1 where i is null;
 | 
						||
i	a
 | 
						||
1	1
 | 
						||
create table t1(a int);
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
select * from mysqltest.t1;
 | 
						||
i	a
 | 
						||
1	1
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
drop database mysqltest;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
drop table t1;
 | 
						||
create table t1 (a char(1) not null collate koi8r_general_ci);
 | 
						||
insert into t1 values(_koi8r"<22>");
 | 
						||
set CHARACTER SET koi8r;
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
<EFBFBD>
 | 
						||
set CHARACTER SET cp1251_koi8;
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
<EFBFBD>
 | 
						||
set CHARACTER SET DEFAULT;
 | 
						||
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	4
 | 
						||
drop table t1;
 | 
						||
create database if not exists mysqltest;
 | 
						||
create table mysqltest.t1 (i int not null);
 | 
						||
create table t1 (i int not null);
 | 
						||
insert into mysqltest.t1 (i) values (1);
 | 
						||
insert into t1 (i) values (2);
 | 
						||
select * from t1;
 | 
						||
i
 | 
						||
2
 | 
						||
use mysqltest;
 | 
						||
select * from t1;
 | 
						||
i
 | 
						||
1
 | 
						||
select * from t1;
 | 
						||
i
 | 
						||
1
 | 
						||
use test;
 | 
						||
select * from t1;
 | 
						||
i
 | 
						||
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	6
 | 
						||
drop database mysqltest;
 | 
						||
drop table t1;
 | 
						||
create table t1 (i int not null);
 | 
						||
insert into t1 (i) values (1),(2),(3),(4);
 | 
						||
select SQL_CALC_FOUND_ROWS * from t1 limit 2;
 | 
						||
i
 | 
						||
1
 | 
						||
2
 | 
						||
select FOUND_ROWS();
 | 
						||
FOUND_ROWS()
 | 
						||
4
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
select * from t1 where i=1;
 | 
						||
i
 | 
						||
1
 | 
						||
select FOUND_ROWS();
 | 
						||
FOUND_ROWS()
 | 
						||
1
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
select SQL_CALC_FOUND_ROWS * from t1 limit 2;
 | 
						||
i
 | 
						||
1
 | 
						||
2
 | 
						||
select FOUND_ROWS();
 | 
						||
FOUND_ROWS()
 | 
						||
4
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	7
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
select * from t1 where i=1;
 | 
						||
i
 | 
						||
1
 | 
						||
select FOUND_ROWS();
 | 
						||
FOUND_ROWS()
 | 
						||
1
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	8
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
drop table t1;
 | 
						||
flush query cache;
 | 
						||
reset query cache;
 | 
						||
create table t1 (a int not null);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
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
 | 
						||
insert delayed into t1 values (4);
 | 
						||
select a from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
4
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
drop table t1;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
show global variables like "query_cache_min_res_unit";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_min_res_unit	4096
 | 
						||
set GLOBAL query_cache_min_res_unit=1001;
 | 
						||
show global variables like "query_cache_min_res_unit";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_min_res_unit	1008
 | 
						||
create table t1 (a int not null);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
create table t2 (a int not null);
 | 
						||
insert into t2 values (1),(2),(3);
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select * from t2;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select * from t2;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	11
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
drop table t1;
 | 
						||
select a from t2;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
select a from t2;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	12
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
drop table t2;
 | 
						||
set GLOBAL query_cache_min_res_unit=default;
 | 
						||
show global variables like "query_cache_min_res_unit";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_min_res_unit	4096
 | 
						||
create table t1 (a int not null);
 | 
						||
insert into t1 values (1);
 | 
						||
select "aaa" from t1;
 | 
						||
aaa
 | 
						||
aaa
 | 
						||
select "AAA" from t1;
 | 
						||
AAA
 | 
						||
AAA
 | 
						||
drop table t1;
 | 
						||
create table t1 (a int);
 | 
						||
set GLOBAL query_cache_size=1000;
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=1024;
 | 
						||
Warnings:
 | 
						||
Warning	1282	Query cache failed to set size 1024; new query cache size is 0
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=10240;
 | 
						||
Warnings:
 | 
						||
Warning	1282	Query cache failed to set size 10240; new query cache size is 0
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=20480;
 | 
						||
Warnings:
 | 
						||
Warning	1282	Query cache failed to set size 20480; new query cache size is 0
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=40960;
 | 
						||
Warnings:
 | 
						||
Warning	1282	Query cache failed to set size 40960; new query cache size is 0
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=51200;
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	51200
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=61440;
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	61440
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=81920;
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	81920
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
set GLOBAL query_cache_size=102400;
 | 
						||
show global variables like "query_cache_size";
 | 
						||
Variable_name	Value
 | 
						||
query_cache_size	102400
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
drop table t1;
 | 
						||
set GLOBAL query_cache_size=1048576;
 | 
						||
create table t1 (i int not null);
 | 
						||
create table t2 (i int not null);
 | 
						||
select * from t1;
 | 
						||
i
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
create temporary table t3 (i int not null);
 | 
						||
select * from t2;
 | 
						||
i
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
select * from t3;
 | 
						||
i
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
update t1 set i=(select distinct 1 from (select * from t2) a);
 | 
						||
drop table t1, t2, t3;
 | 
						||
use mysql;
 | 
						||
select * from db;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
use test;
 | 
						||
select * from mysql.db;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
create table t1(id int auto_increment primary key);
 | 
						||
insert into t1 values (NULL), (NULL), (NULL);
 | 
						||
select * from t1 where id=2;
 | 
						||
id
 | 
						||
2
 | 
						||
alter table t1 rename to t2;
 | 
						||
select * from t1 where id=2;
 | 
						||
ERROR 42S02: Table 'test.t1' doesn't exist
 | 
						||
drop table t2;
 | 
						||
select * from t1 where id=2;
 | 
						||
ERROR 42S02: Table 'test.t1' doesn't exist
 | 
						||
create table t1 (word char(20) not null);
 | 
						||
select * from t1;
 | 
						||
word
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
load data infile 'TEST_DIR/std_data/words.dat' into table t1;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select count(*) from t1;
 | 
						||
count(*)
 | 
						||
70
 | 
						||
drop table t1;
 | 
						||
create table t1 (a int);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select * from t1 into outfile "query_cache.out.file";
 | 
						||
select * from t1 into outfile "query_cache.out.file";
 | 
						||
ERROR HY000: File 'query_cache.out.file' already exists
 | 
						||
select * from t1 limit 1 into dumpfile "query_cache.dump.file";
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
drop table t1;
 | 
						||
create table t1 (a int);
 | 
						||
insert into t1 values (1),(2);
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
SET OPTION SQL_SELECT_LIMIT=1;
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
 | 
						||
drop table t1;
 | 
						||
flush query cache;
 | 
						||
reset query cache;
 | 
						||
flush status;
 | 
						||
set GLOBAL query_cache_size=1048576;
 | 
						||
create table t1 (a int not null);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
create table t2 (a text not null);
 | 
						||
create table t3 (a text not null);
 | 
						||
insert into t3 values("1111111111111111111111111111111111111111111111111111");
 | 
						||
insert into t2 select * from t3;
 | 
						||
insert into t3 select * from t2;
 | 
						||
insert into t2 select * from t3;
 | 
						||
insert into t3 select * from t2;
 | 
						||
insert into t2 select * from t3;
 | 
						||
insert into t3 select * from t2;
 | 
						||
insert into t2 select * from t3;
 | 
						||
insert into t3 select * from t2;
 | 
						||
insert into t2 select * from t3;
 | 
						||
insert into t3 select * from t2;
 | 
						||
drop table t2;
 | 
						||
create table t2 (a int not null);
 | 
						||
insert into t2 values (1),(2),(3);
 | 
						||
create table t4 (a int not null);
 | 
						||
insert into t4 values (1),(2),(3);
 | 
						||
select * from t4;
 | 
						||
select * from t2;
 | 
						||
select * from t1 as tt, t1 as ttt  where tt.a=1 and ttt.a=2;
 | 
						||
select * from t2;
 | 
						||
select * from t4;
 | 
						||
select * from t1 as tt, t1 as ttt  where tt.a=1 and ttt.a=2;
 | 
						||
select * from t2;
 | 
						||
select * from t4;
 | 
						||
select * from t1 as tt, t1 as ttt  where tt.a=1 and ttt.a=2;
 | 
						||
delete from t2 where a=1;
 | 
						||
flush query cache;
 | 
						||
select * from t3;
 | 
						||
delete from t4 where a=1;
 | 
						||
flush query cache;
 | 
						||
drop table t1,t2,t3,t4;
 | 
						||
set query_cache_wlock_invalidate=1;
 | 
						||
create table t1 (a int not null);
 | 
						||
create table t2 (a int not null);
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
select * from t2;
 | 
						||
a
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
lock table t1 write, t2 read;
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
unlock table;
 | 
						||
drop table t1,t2;
 | 
						||
set query_cache_wlock_invalidate=default;
 | 
						||
CREATE TABLE t1 (id INT PRIMARY KEY);
 | 
						||
insert into t1 values (1),(2),(3);
 | 
						||
select * from t1;
 | 
						||
id
 | 
						||
1
 | 
						||
2
 | 
						||
3
 | 
						||
create temporary table t1 (a int not null auto_increment
 | 
						||
primary key);
 | 
						||
select * from t1;
 | 
						||
a
 | 
						||
drop table t1;
 | 
						||
drop table t1;
 | 
						||
SET NAMES koi8r;
 | 
						||
CREATE TABLE t1 (a char(1) character set koi8r);
 | 
						||
INSERT INTO t1 VALUES (_koi8r'<27>'),(_koi8r'<27>');
 | 
						||
SELECT a,'<27>','<27>'='<27>' FROM t1;
 | 
						||
a	<09>	'<27>'='<27>'
 | 
						||
<EFBFBD>	<09>	1
 | 
						||
<EFBFBD>	<09>	1
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
set collation_connection=koi8r_bin;
 | 
						||
SELECT a,'<27>','<27>'='<27>' FROM t1;
 | 
						||
a	<09>	'<27>'='<27>'
 | 
						||
<EFBFBD>	<09>	0
 | 
						||
<EFBFBD>	<09>	0
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	2
 | 
						||
set character_set_client=cp1251;
 | 
						||
SELECT a,'<27>','<27>'='<27>' FROM t1;
 | 
						||
a	<09>	'<27>'='<27>'
 | 
						||
<EFBFBD>	<09>	0
 | 
						||
<EFBFBD>	<09>	0
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	3
 | 
						||
set character_set_results=cp1251;
 | 
						||
SELECT a,'<27>','<27>'='<27>' FROM t1;
 | 
						||
a	<09>	'<27>'='<27>'
 | 
						||
<EFBFBD>	<09>	0
 | 
						||
<EFBFBD>	<09>	0
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	4
 | 
						||
DROP TABLE t1;
 | 
						||
CREATE TABLE t1 (a int(1));
 | 
						||
CREATE DATABASE mysqltest;
 | 
						||
USE mysqltest;
 | 
						||
DROP DATABASE mysqltest;
 | 
						||
SELECT * FROM test.t1;
 | 
						||
a
 | 
						||
USE test;
 | 
						||
DROP TABLE t1;
 | 
						||
set character_set_results=null;
 | 
						||
select @@character_set_results;
 | 
						||
@@character_set_results
 | 
						||
NULL
 | 
						||
set character_set_results=default;
 | 
						||
set GLOBAL query_cache_size=1355776;
 | 
						||
create table t1 (id int auto_increment primary key, c char(25));
 | 
						||
insert into t1 set c = repeat('x',24);
 | 
						||
insert into t1 set c = concat(repeat('x',24),'x');
 | 
						||
insert into t1 set c = concat(repeat('x',24),'w');
 | 
						||
insert into t1 set c = concat(repeat('x',24),'y');
 | 
						||
set max_sort_length=200;
 | 
						||
select c from t1 order by c, id;
 | 
						||
c
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxx
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxw
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxx
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxy
 | 
						||
reset query cache;
 | 
						||
set max_sort_length=20;
 | 
						||
select c from t1 order by c, id;
 | 
						||
c
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxx
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxx
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxw
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxy
 | 
						||
set max_sort_length=200;
 | 
						||
select c from t1 order by c, id;
 | 
						||
c
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxx
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxw
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxx
 | 
						||
xxxxxxxxxxxxxxxxxxxxxxxxy
 | 
						||
set max_sort_length=default;
 | 
						||
select '1' || '3' from t1;
 | 
						||
'1' || '3'
 | 
						||
1
 | 
						||
1
 | 
						||
1
 | 
						||
1
 | 
						||
set SQL_MODE=oracle;
 | 
						||
select '1' || '3' from t1;
 | 
						||
'1' || '3'
 | 
						||
13
 | 
						||
13
 | 
						||
13
 | 
						||
13
 | 
						||
set SQL_MODE=default;
 | 
						||
drop table t1;
 | 
						||
create table t1 (a varchar(20), b int);
 | 
						||
insert into t1 values ('12345678901234567890', 1);
 | 
						||
set group_concat_max_len=10;
 | 
						||
select group_concat(a) FROM t1 group by b;
 | 
						||
group_concat(a)
 | 
						||
1234567890
 | 
						||
Warnings:
 | 
						||
Warning	1260	1 line(s) were cut by GROUP_CONCAT()
 | 
						||
set group_concat_max_len=1024;
 | 
						||
select group_concat(a) FROM t1 group by b;
 | 
						||
group_concat(a)
 | 
						||
12345678901234567890
 | 
						||
set group_concat_max_len=default;
 | 
						||
drop table t1;
 | 
						||
create table t1 (a int);
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
show status like "Qcache_inserts";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_inserts	19
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	6
 | 
						||
/**/ select * from t1;
 | 
						||
a
 | 
						||
/**/ select * from t1;
 | 
						||
a
 | 
						||
show status like "Qcache_queries_in_cache";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
show status like "Qcache_inserts";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_inserts	20
 | 
						||
show status like "Qcache_hits";
 | 
						||
Variable_name	Value
 | 
						||
Qcache_hits	7
 | 
						||
DROP TABLE t1;
 | 
						||
SET GLOBAL query_cache_size=0;
 | 
						||
SET SESSION query_cache_type = 2;
 | 
						||
create table t1(a int);
 | 
						||
select table_name from information_schema.tables
 | 
						||
where table_schema="test";
 | 
						||
table_name
 | 
						||
t1
 | 
						||
drop table t1;
 | 
						||
select table_name from information_schema.tables
 | 
						||
where table_schema="test";
 | 
						||
table_name
 | 
						||
SET SESSION query_cache_type = 1;
 | 
						||
set global query_cache_size=1024*1024;
 | 
						||
flush query cache;
 | 
						||
create table t1 ( a int );
 | 
						||
insert into t1 values (1);
 | 
						||
select a from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
select a from t1;
 | 
						||
a
 | 
						||
1
 | 
						||
show status like 'qcache_queries_in_cache';
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	1
 | 
						||
repair table t1;
 | 
						||
Table	Op	Msg_type	Msg_text
 | 
						||
test.t1	repair	status	OK
 | 
						||
show status like 'qcache_queries_in_cache';
 | 
						||
Variable_name	Value
 | 
						||
Qcache_queries_in_cache	0
 | 
						||
drop table t1;
 | 
						||
set GLOBAL query_cache_size=64*1024;
 | 
						||
create table t1 (a text);
 | 
						||
insert into t1 values (repeat('abcdefghijklmnopqrstuvwxyz', 550));
 | 
						||
create table t2 (a text);
 | 
						||
insert into t2 values (repeat('ijklmnopqrstuvwxyzabcdefgh', 550));
 | 
						||
select a from t1;
 | 
						||
select a from t2;
 | 
						||
show status like 'Qcache_%_blocks';
 | 
						||
Variable_name	Value
 | 
						||
Qcache_free_blocks	1
 | 
						||
Qcache_total_blocks	7
 | 
						||
insert into t1 select reverse(a) from t1;
 | 
						||
show status like 'Qcache_%_blocks';
 | 
						||
Variable_name	Value
 | 
						||
Qcache_free_blocks	2
 | 
						||
Qcache_total_blocks	5
 | 
						||
select a from t1;
 | 
						||
show status like 'Qcache_%_blocks';
 | 
						||
Variable_name	Value
 | 
						||
Qcache_free_blocks	1
 | 
						||
Qcache_total_blocks	8
 | 
						||
select a from t1;
 | 
						||
a
 | 
						||
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 | 
						||
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 | 
						||
flush query cache;
 | 
						||
drop table t1, t2;
 | 
						||
create table t1 (a int);
 | 
						||
insert into t1 values (1),(2);
 | 
						||
CREATE PROCEDURE `p1`()
 | 
						||
begin
 | 
						||
Declare c1 cursor for select a from t1;
 | 
						||
open c1;
 | 
						||
select * from t1;
 | 
						||
end//
 | 
						||
call p1()//
 | 
						||
a
 | 
						||
1
 | 
						||
2
 | 
						||
drop procedure p1;
 | 
						||
create function f1() returns int
 | 
						||
begin
 | 
						||
Declare var1 int;
 | 
						||
select max(a) from t1 into var1;
 | 
						||
return var1;
 | 
						||
end//
 | 
						||
create procedure `p1`()
 | 
						||
begin
 | 
						||
select a, f1() from t1;
 | 
						||
end//
 | 
						||
call p1()//
 | 
						||
a	f1()
 | 
						||
1	2
 | 
						||
2	2
 | 
						||
drop procedure p1//
 | 
						||
drop table t1//
 | 
						||
set GLOBAL query_cache_size=0;
 |