summaryrefslogtreecommitdiff
path: root/mysql-test/suite/perfschema/r/query_cache.result
blob: a84fff604313876b13641b6f0b0510160e2070de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
set @save_query_cache_size=@@query_cache_size;
drop table if exists t1;
create table t1 (a int not null);
insert into t1 values (1), (2), (3);
SET GLOBAL query_cache_size=1355776;
flush query cache;
reset query cache;
flush status;
select * from t1;
a
1
2
3
show global status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	1
show global status like "Qcache_inserts";
Variable_name	Value
Qcache_inserts	1
show global status like "Qcache_hits";
Variable_name	Value
Qcache_hits	0
select * from t1;
a
1
2
3
show global status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	1
show global status like "Qcache_inserts";
Variable_name	Value
Qcache_inserts	1
show global status like "Qcache_hits";
Variable_name	Value
Qcache_hits	1
select spins from performance_schema.events_waits_current order by event_name limit 1;
spins
NULL
select * from performance_schema.setup_timers where name='wait';
NAME	TIMER_NAME
wait	{CYCLE_OR_NANOSECOND}
Warnings:
Warning	1681	'performance_schema.setup_timers' is deprecated and will be removed in a future release
show global status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	1
show global status like "Qcache_inserts";
Variable_name	Value
Qcache_inserts	1
show global status like "Qcache_hits";
Variable_name	Value
Qcache_hits	1
select spins from performance_schema.events_waits_current order by event_name limit 1;
spins
NULL
select * from performance_schema.setup_timers where name='wait';
NAME	TIMER_NAME
wait	{CYCLE_OR_NANOSECOND}
Warnings:
Warning	1681	'performance_schema.setup_timers' is deprecated and will be removed in a future release
show global status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	1
show global status like "Qcache_inserts";
Variable_name	Value
Qcache_inserts	1
show global status like "Qcache_hits";
Variable_name	Value
Qcache_hits	1
SET GLOBAL query_cache_size=@save_query_cache_size;
drop table t1;
flush status;