mariadb/mysql-test/r/query_cache_sql_prepare.result

set global query_cache_size=100000;
flush status;
create table t1(c1 int);
insert into t1 values(1),(10),(100);
prepare stmt1 from "select * from t1 where c1=10";
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	0
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	0
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	1
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	2
prepare stmt2 from "select * from t1 where c1=10";
execute stmt2;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	3
execute stmt2;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	4
execute stmt2;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	5
prepare stmt3 from "select * from t1 where c1=10";
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	6
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	7
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	8
select * from t1 where c1=10;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	9
flush tables;
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	9
select * from t1 where c1=10;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
prepare stmt1 from "select * from t1 where c1=?";
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
set @a=1;
execute stmt1 using @a;
c1
1
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
set @a=100;
execute stmt1 using @a;
c1
100
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
set @a=10;
execute stmt1 using @a;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
prepare stmt1 from "select * from t1 where c1=10";
set global query_cache_size=0;
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
set global query_cache_size=100000;
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	10
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	11
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
set global query_cache_size=0;
prepare stmt1 from "select * from t1 where c1=10";
set global query_cache_size=100000;
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
set global query_cache_size=0;
prepare stmt1 from "select * from t1 where c1=?";
set global query_cache_size=100000;
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
set @a=1;
execute stmt1 using @a;
c1
1
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
set @a=100;
execute stmt1 using @a;
c1
100
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
set @a=10;
execute stmt1 using @a;
c1
10
show status like 'Qcache_hits';
Variable_name	Value
Qcache_hits	12
drop table t1;
set global query_cache_size=0;
flush status;