mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
577 lines
11 KiB
Text
577 lines
11 KiB
Text
set GLOBAL query_cache_type=ON;
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set LOCAL query_cache_type=ON;
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connect con1,localhost,root,,test,$MASTER_MYPORT,;
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connection default;
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set @initial_query_cache_size = @@global.query_cache_size;
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set @@global.query_cache_size=102400;
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flush global status;
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drop table if exists t1;
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create table t1(c1 int);
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insert into t1 values(1),(10),(100);
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prepare stmt1 from "select * from t1 where c1=10";
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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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execute stmt1;
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c1
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10
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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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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 1
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execute stmt1;
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c1
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10
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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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prepare stmt2 from "select * from t1 where c1=10";
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execute stmt2;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 3
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execute stmt2;
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c1
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10
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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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execute stmt2;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 5
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connection con1;
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prepare stmt3 from "select * from t1 where c1=10";
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 6
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 7
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 8
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connection default;
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prepare stmt10 from "SELECT * FROM t1 WHERE c1 = 100";
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 8
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execute stmt10;
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c1
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100
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 8
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execute stmt10;
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c1
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100
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 9
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SELECT * FROM t1 WHERE c1 = 100;
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c1
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100
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 9
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connection con1;
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SELECT * FROM t1 WHERE c1 = 100;
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c1
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100
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 10
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connection default;
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prepare stmt11 from "SELECT * FROM t1 WHERE c1 = 1";
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connection con1;
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prepare stmt12 from "SELECT * FROM t1 WHERE c1 = 1";
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connection default;
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SELECT * FROM t1 WHERE c1 = 1;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 10
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SELECT * FROM t1 WHERE c1 = 1;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 11
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execute stmt11;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 11
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connection con1;
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execute stmt12;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 12
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connection default;
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prepare stmt1 from "select * from t1 where c1=?";
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 12
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set @a=1;
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execute stmt1 using @a;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 12
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execute stmt1 using @a;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 13
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connection con1;
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set @a=1;
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prepare stmt4 from "select * from t1 where c1=?";
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execute stmt4 using @a;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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prepare stmt4 from "select @a from t1 where c1=?";
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execute stmt4 using @a;
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@a
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt4 using @a;
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@a
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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connection default;
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prepare stmt1 from "select * from t1 where c1=10";
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set global query_cache_size=0;
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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connection con1;
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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connection default;
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set global query_cache_size=102400;
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 14
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 15
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 16
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connection con1;
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 17
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 18
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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connection default;
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set global query_cache_size=0;
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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connection con1;
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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connection default;
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set global query_cache_size=0;
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prepare stmt1 from "select * from t1 where c1=10";
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connection con1;
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prepare stmt3 from "select * from t1 where c1=10";
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connection default;
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set global query_cache_size=102400;
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt1;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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connection con1;
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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execute stmt3;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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connection default;
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set global query_cache_size=0;
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prepare stmt1 from "select * from t1 where c1=?";
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set global query_cache_size=102400;
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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set @a=1;
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execute stmt1 using @a;
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c1
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1
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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set @a=100;
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execute stmt1 using @a;
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c1
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100
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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set @a=10;
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execute stmt1 using @a;
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c1
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10
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show status like 'Qcache_hits';
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Variable_name Value
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Qcache_hits 19
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drop table t1;
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disconnect con1;
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########################################################################
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#
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# BUG#25843: Changing default database between PREPARE and EXECUTE of
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# statement breaks binlog.
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#
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########################################################################
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#
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# Check that default database and its attributes are fixed at the
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# creation time.
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#
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DROP DATABASE IF EXISTS mysqltest1;
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DROP DATABASE IF EXISTS mysqltest2;
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CREATE DATABASE mysqltest1 COLLATE utf8_unicode_ci;
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CREATE DATABASE mysqltest2 COLLATE utf8_general_ci;
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CREATE TABLE mysqltest1.t1(msg VARCHAR(255));
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CREATE TABLE mysqltest2.t1(msg VARCHAR(255));
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use mysqltest1;
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PREPARE stmt_a_1 FROM 'INSERT INTO t1 VALUES(DATABASE())';
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PREPARE stmt_a_2 FROM 'INSERT INTO t1 VALUES(@@collation_database)';
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EXECUTE stmt_a_1;
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EXECUTE stmt_a_2;
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use mysqltest2;
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EXECUTE stmt_a_1;
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EXECUTE stmt_a_2;
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SELECT * FROM mysqltest1.t1;
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msg
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mysqltest1
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utf8mb3_unicode_ci
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mysqltest1
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utf8mb3_unicode_ci
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SELECT * FROM mysqltest2.t1;
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msg
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DROP PREPARE stmt_a_1;
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DROP PREPARE stmt_a_2;
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#
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# The Query Cache test case.
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#
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DELETE FROM mysqltest1.t1;
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DELETE FROM mysqltest2.t1;
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INSERT INTO mysqltest1.t1 VALUES('mysqltest1.t1');
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INSERT INTO mysqltest2.t1 VALUES('mysqltest2.t1');
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use mysqltest1;
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PREPARE stmt_b_1 FROM 'SELECT * FROM t1';
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use mysqltest2;
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PREPARE stmt_b_2 FROM 'SELECT * FROM t1';
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EXECUTE stmt_b_1;
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msg
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mysqltest1.t1
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EXECUTE stmt_b_2;
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msg
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mysqltest2.t1
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use mysqltest1;
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EXECUTE stmt_b_1;
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msg
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mysqltest1.t1
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EXECUTE stmt_b_2;
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msg
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mysqltest2.t1
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DROP PREPARE stmt_b_1;
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DROP PREPARE stmt_b_2;
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use test;
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DROP DATABASE mysqltest1;
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DROP DATABASE mysqltest2;
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#
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# Check that prepared statements work properly when there is no current
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# database.
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#
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CREATE DATABASE mysqltest1 COLLATE utf8_unicode_ci;
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CREATE DATABASE mysqltest2 COLLATE utf8_general_ci;
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use mysqltest1;
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PREPARE stmt_c_1 FROM 'SELECT DATABASE(), @@collation_database';
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use mysqltest2;
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PREPARE stmt_c_2 FROM 'SELECT DATABASE(), @@collation_database';
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DROP DATABASE mysqltest2;
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SELECT DATABASE(), @@collation_database;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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EXECUTE stmt_c_1;
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DATABASE() @@collation_database
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mysqltest1 utf8mb3_unicode_ci
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SELECT DATABASE(), @@collation_database;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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EXECUTE stmt_c_2;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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Warnings:
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Note 1049 Unknown database 'mysqltest2'
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SELECT DATABASE(), @@collation_database;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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PREPARE stmt_c_3 FROM 'SELECT DATABASE(), @@collation_database';
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EXECUTE stmt_c_3;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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use mysqltest1;
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EXECUTE stmt_c_2;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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Warnings:
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Note 1049 Unknown database 'mysqltest2'
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SELECT DATABASE(), @@collation_database;
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DATABASE() @@collation_database
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mysqltest1 utf8mb3_unicode_ci
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EXECUTE stmt_c_3;
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DATABASE() @@collation_database
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NULL utf8mb4_uca1400_ai_ci
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SELECT DATABASE(), @@collation_database;
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DATABASE() @@collation_database
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mysqltest1 utf8mb3_unicode_ci
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DROP DATABASE mysqltest1;
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use test;
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########################################################################
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#
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# Bug#27430 Crash in subquery code when in PS and table DDL changed
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# after PREPARE
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# Check the effect of automatic reprepare on query cache
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#
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########################################################################
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drop table if exists t1;
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create table t1 (a varchar(255));
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insert into t1 (a) values ("Pack my box with five dozen liquor jugs.");
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flush global status;
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prepare stmt from "select a from t1";
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execute stmt;
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a
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Pack my box with five dozen liquor jugs.
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set @@global.query_cache_size=0;
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alter table t1 add column b int;
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execute stmt;
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a
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Pack my box with five dozen liquor jugs.
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set @@global.query_cache_size=102400;
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execute stmt;
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a
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Pack my box with five dozen liquor jugs.
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execute stmt;
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a
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Pack my box with five dozen liquor jugs.
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#
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# Sic: ALTER TABLE caused an automatic reprepare
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# of the prepared statement. Since the query cache was disabled
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# at the time of reprepare, the new prepared statement doesn't
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# work with it.
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#
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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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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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# Cleanup
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deallocate prepare stmt;
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drop table t1;
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set @@global.query_cache_size=@initial_query_cache_size;
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flush status;
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set GLOBAL query_cache_type=default;
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