mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
1725 lines
69 KiB
Text
1725 lines
69 KiB
Text
set GLOBAL query_cache_size=1355776;
|
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flush query cache;
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flush query cache;
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reset query cache;
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flush status;
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drop table if exists t1,t2,t3,t4,t11,t21,t1_1,t1_2,t9,t9_1,t9_2;
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drop database if exists mysqltest;
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drop table if exists ```a`;
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drop view if exists v1;
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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
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2
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3
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select * from t1;
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a
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1
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2
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3
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select sql_no_cache * from t1;
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a
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1
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2
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3
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select length(now()) from t1;
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length(now())
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19
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19
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19
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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 1
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show status like "Qcache_inserts";
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Variable_name Value
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Qcache_inserts 1
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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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drop table t1;
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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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create table t1 (a int not null);
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insert into t1 values (1),(2),(3);
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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;
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a
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1
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2
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3
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4
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5
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6
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select * from t3;
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a
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1
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2
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3
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4
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5
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6
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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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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 1
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insert into t2 values (7);
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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 * from t1;
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a
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1
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2
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3
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select * from t1;
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a
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1
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2
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3
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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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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 1
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insert into t3 values (8);
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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 * from t3;
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a
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1
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2
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3
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8
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4
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5
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6
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7
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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 1
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update t2 set a=9 where a=7;
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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 * from t1;
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a
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1
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2
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3
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8
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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 1
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update t3 set a=10 where a=1;
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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 * from t3;
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a
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10
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2
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3
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8
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4
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5
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6
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9
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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 1
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delete from t2 where a=9;
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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 * from t1;
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a
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10
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2
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3
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8
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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 1
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delete from t3 where a=10;
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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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drop table t1, t2, t3;
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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
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2
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3
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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_cache * from t1 union select * from t1;
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a
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1
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2
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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
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2
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3
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select * from t1 union select sql_cache * from t1;
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a
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1
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2
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3
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select * from t1 where a IN (select sql_cache a from t1);
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a
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1
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2
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3
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select * from t1 where a IN (select a from t1 union select sql_cache a from t1);
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a
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1
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2
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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 1
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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
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2
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3
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select * from t1 union select sql_no_cache * from t1;
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a
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1
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2
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3
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select * from t1 where a IN (select sql_no_cache a from t1);
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a
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1
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2
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3
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select * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
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a
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1
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2
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3
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select sql_cache sql_no_cache * from t1;
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a
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1
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2
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3
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select sql_cache * from t1 union select sql_no_cache * from t1;
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a
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1
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2
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3
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select sql_cache * from t1 where a IN (select sql_no_cache a from t1);
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a
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1
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2
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3
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select sql_cache * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
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a
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1
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2
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3
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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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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()
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select FOUND_ROWS();
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FOUND_ROWS()
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0
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select NOW() from t1;
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NOW()
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select CURDATE() from t1;
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CURDATE()
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select CURTIME() from t1;
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CURTIME()
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select DATABASE() from t1;
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DATABASE()
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select ENCRYPT("test") from t1;
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ENCRYPT("test")
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select LAST_INSERT_ID() from t1;
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LAST_INSERT_ID()
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select RAND() from t1;
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RAND()
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select UNIX_TIMESTAMP() from t1;
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UNIX_TIMESTAMP()
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select USER() from t1;
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USER()
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select CURRENT_USER() from t1;
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CURRENT_USER()
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select benchmark(1,1) from t1;
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benchmark(1,1)
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explain extended select benchmark(1,1) from t1;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 system NULL NULL NULL NULL 0 0.00 const row not found
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Warnings:
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Note 1003 select benchmark(1,1) AS `benchmark(1,1)` from `test`.`t1`
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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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create table t2 (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;
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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;
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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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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_lowmem_prunes";
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Variable_name Value
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Qcache_lowmem_prunes 0
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select a as a1, a as a2 from t1;
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select a as a2, a as a3 from t1;
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select a as a3, a as a4 from t1;
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select a as a1, a as a2 from t1;
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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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show status like "Qcache_lowmem_prunes";
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Variable_name Value
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Qcache_lowmem_prunes 2
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reset query cache;
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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;
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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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select * from t1;
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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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drop table t1,t2;
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create database mysqltest;
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create table mysqltest.t1 (i int not null auto_increment, a int, primary key (i));
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insert into mysqltest.t1 (a) values (1);
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select * from mysqltest.t1 where i is null;
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i a
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1 1
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create table t1(a int);
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select * from t1;
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a
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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 1
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select * from mysqltest.t1;
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i a
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1 1
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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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drop database mysqltest;
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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 1
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drop table t1;
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create table t1 (a char(1) not null collate koi8r_general_ci);
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insert into t1 values(_koi8r"<22>");
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set CHARACTER SET koi8r;
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select * from t1;
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a
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<EFBFBD>
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set CHARACTER SET cp1251_koi8;
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select * from t1;
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a
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<EFBFBD>
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set CHARACTER SET DEFAULT;
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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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show status like "Qcache_hits";
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||
Variable_name Value
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Qcache_hits 4
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drop table t1;
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create database if not exists mysqltest;
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create table mysqltest.t1 (i int not null);
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create table t1 (i int not null);
|
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insert into mysqltest.t1 (i) values (1);
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||
insert into t1 (i) values (2);
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select * from t1;
|
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i
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2
|
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use mysqltest;
|
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select * from t1;
|
||
i
|
||
1
|
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select * from t1;
|
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i
|
||
1
|
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use test;
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select * from t1;
|
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i
|
||
2
|
||
show status like "Qcache_queries_in_cache";
|
||
Variable_name Value
|
||
Qcache_queries_in_cache 2
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||
show status like "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 6
|
||
drop database mysqltest;
|
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drop table t1;
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create table t1 (i int not null);
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insert into t1 (i) values (1),(2),(3),(4);
|
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select SQL_CALC_FOUND_ROWS * from t1 limit 2;
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i
|
||
1
|
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2
|
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select FOUND_ROWS();
|
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FOUND_ROWS()
|
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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();
|
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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 'MYSQLTEST_VARDIR/std_data_ln/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
|
||
SET NAMES default;
|
||
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 18
|
||
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 19
|
||
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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zyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvuts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|
||
flush query cache;
|
||
drop table t1, t2;
|
||
set GLOBAL query_cache_size=1355776;
|
||
flush status;
|
||
CREATE TABLE t1 (
|
||
`date` datetime NOT NULL default '0000-00-00 00:00:00',
|
||
KEY `date` (`date`)
|
||
) ENGINE=MyISAM;
|
||
INSERT INTO t1 VALUES ('20050326');
|
||
INSERT INTO t1 VALUES ('20050325');
|
||
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
|
||
COUNT(*)
|
||
0
|
||
Warnings:
|
||
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 1
|
||
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 0
|
||
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid';
|
||
COUNT(*)
|
||
0
|
||
Warnings:
|
||
Warning 1292 Incorrect datetime value: '20050328 invalid' for column 'date' at row 1
|
||
Warning 1292 Incorrect datetime value: '20050328 invalid' for column 'date' at row 0
|
||
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
|
||
COUNT(*)
|
||
0
|
||
Warnings:
|
||
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 1
|
||
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 0
|
||
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 0
|
||
show status like "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 0
|
||
drop table t1;
|
||
create table t1 (a int);
|
||
insert into t1 values (1);
|
||
reset query cache;
|
||
flush status;
|
||
select * from (select * from t1) a;
|
||
a
|
||
1
|
||
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 0
|
||
select * from (select * from t1) a;
|
||
a
|
||
1
|
||
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
|
||
insert into t1 values (2);
|
||
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 1
|
||
show status like "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 1
|
||
select * from (select * from t1) a;
|
||
a
|
||
1
|
||
2
|
||
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 2
|
||
show status like "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 1
|
||
drop table t1;
|
||
create table t1 (a int);
|
||
flush status;
|
||
(select a from t1) union (select a 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 1
|
||
show status like "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 0
|
||
(select a from t1) union (select a 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 1
|
||
show status like "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 1
|
||
drop table t1;
|
||
create table t1 (a int);
|
||
insert into t1 values (1),(2);
|
||
drop procedure if exists p1;
|
||
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//
|
||
SET @log_bin_trust_function_creators = @@global.log_bin_trust_function_creators;
|
||
SET GLOBAL log_bin_trust_function_creators = 1;
|
||
call p1()//
|
||
a f1()
|
||
1 2
|
||
2 2
|
||
SET GLOBAL log_bin_trust_function_creators = @log_bin_trust_function_creators;
|
||
drop procedure p1//
|
||
drop function f1//
|
||
drop table t1//
|
||
flush query cache;
|
||
reset query cache;
|
||
flush status;
|
||
create table t1 (s1 int)//
|
||
create procedure f1 () begin
|
||
select sql_cache * from t1;
|
||
select sql_cache * from t1;
|
||
select sql_cache * from t1;
|
||
end;//
|
||
create procedure f2 () begin
|
||
select sql_cache * from t1 where s1=1;
|
||
select sql_cache * from t1;
|
||
end;//
|
||
create procedure f3 () begin
|
||
select sql_cache * from t1;
|
||
select sql_cache * from t1 where s1=1;
|
||
end;//
|
||
create procedure f4 () begin
|
||
select sql_cache * from t1;
|
||
select sql_cache * from t1 where s1=1;
|
||
select sql_cache * from t1;
|
||
select sql_cache * from t1 where s1=1;
|
||
select sql_cache * from t1 where s1=1;
|
||
end;//
|
||
call f1();
|
||
s1
|
||
s1
|
||
s1
|
||
call f1();
|
||
s1
|
||
s1
|
||
s1
|
||
call f1();
|
||
s1
|
||
s1
|
||
s1
|
||
select sql_cache * from t1;
|
||
s1
|
||
insert into t1 values (1);
|
||
select sql_cache * from t1;
|
||
s1
|
||
1
|
||
call f1();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f1();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
select sql_cache * from t1;
|
||
s1
|
||
1
|
||
flush query cache;
|
||
reset query cache;
|
||
flush status;
|
||
select sql_cache * from t1;
|
||
s1
|
||
1
|
||
select sql_cache * from t1 where s1=1;
|
||
s1
|
||
1
|
||
call f1();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f2();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f3();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f4();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f4();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f3();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
call f2();
|
||
s1
|
||
1
|
||
s1
|
||
1
|
||
select sql_cache * from t1 where s1=1;
|
||
s1
|
||
1
|
||
insert into t1 values (2);
|
||
call f1();
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
2
|
||
select sql_cache * from t1 where s1=1;
|
||
s1
|
||
1
|
||
select sql_cache * from t1;
|
||
s1
|
||
1
|
||
2
|
||
call f1();
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
2
|
||
call f3();
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
call f3();
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
call f1();
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
2
|
||
s1
|
||
1
|
||
2
|
||
drop procedure f1;
|
||
drop procedure f2;
|
||
drop procedure f3;
|
||
drop procedure f4;
|
||
drop table t1;
|
||
set GLOBAL query_cache_size=0;
|
||
End of 4.1 tests
|
||
SET GLOBAL query_cache_size=102400;
|
||
create table t1(a int);
|
||
insert into t1 values(0), (1), (4), (5);
|
||
select * from t1 where a > 3;
|
||
a
|
||
4
|
||
5
|
||
select * from t1 where a > 3;
|
||
a
|
||
4
|
||
5
|
||
show status like 'last_query_cost';
|
||
Variable_name Value
|
||
Last_query_cost 0.000000
|
||
drop table t1;
|
||
SET GLOBAL query_cache_size=0;
|
||
set global query_cache_size=1024*1024;
|
||
flush status;
|
||
create table t1 (a int);
|
||
insert into t1 (a) values (1), (2), (3);
|
||
select * from t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
show status like 'Qcache_hits';
|
||
Variable_name Value
|
||
Qcache_hits 0
|
||
select * from t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
show status like 'Qcache_hits';
|
||
Variable_name Value
|
||
Qcache_hits 1
|
||
create table t2 like t1;
|
||
select * from t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
show status like 'Qcache_hits';
|
||
Variable_name Value
|
||
Qcache_hits 2
|
||
insert into t2 select * from t1;
|
||
select * from t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
show status like 'Qcache_hits';
|
||
Variable_name Value
|
||
Qcache_hits 3
|
||
drop table t1, t2;
|
||
create table t1(c1 int);
|
||
create table t2(c1 int);
|
||
create table t3(c1 int);
|
||
create view v1 as select t3.c1 as c1 from t3,t2 where t3.c1 = t2.c1;
|
||
start transaction;
|
||
insert into t1(c1) select c1 from v1;
|
||
drop table t1, t2, t3;
|
||
drop view v1;
|
||
create table t1(c1 int);
|
||
insert into t1 values(1),(10),(100);
|
||
select * from t1;
|
||
c1
|
||
1
|
||
10
|
||
100
|
||
select * from t1;
|
||
c1
|
||
1
|
||
10
|
||
100
|
||
select * from t1;
|
||
c1
|
||
1
|
||
10
|
||
100
|
||
select * from t1;
|
||
c1
|
||
1
|
||
10
|
||
100
|
||
drop table t1;
|
||
set global query_cache_size=0;
|
||
create table t1 (a int);
|
||
insert into t1 values (1),(2),(3);
|
||
set GLOBAL query_cache_type=1;
|
||
set GLOBAL query_cache_limit=10000;
|
||
set GLOBAL query_cache_min_res_unit=0;
|
||
set GLOBAL query_cache_size= 100000;
|
||
reset query cache;
|
||
set LOCAL default_week_format = 0;
|
||
select week('2007-01-04');
|
||
week('2007-01-04')
|
||
0
|
||
select week('2007-01-04') from t1;
|
||
week('2007-01-04')
|
||
0
|
||
0
|
||
0
|
||
select extract(WEEK FROM '2007-01-04') from t1;
|
||
extract(WEEK FROM '2007-01-04')
|
||
0
|
||
0
|
||
0
|
||
set LOCAL default_week_format = 2;
|
||
select week('2007-01-04');
|
||
week('2007-01-04')
|
||
53
|
||
select week('2007-01-04') from t1;
|
||
week('2007-01-04')
|
||
53
|
||
53
|
||
53
|
||
select extract(WEEK FROM '2007-01-04') from t1;
|
||
extract(WEEK FROM '2007-01-04')
|
||
53
|
||
53
|
||
53
|
||
reset query cache;
|
||
set LOCAL div_precision_increment=2;
|
||
select 1/7;
|
||
1/7
|
||
0.14
|
||
select 1/7 from t1;
|
||
1/7
|
||
0.14
|
||
0.14
|
||
0.14
|
||
set LOCAL div_precision_increment=4;
|
||
select 1/7;
|
||
1/7
|
||
0.1429
|
||
select 1/7 from t1;
|
||
1/7
|
||
0.1429
|
||
0.1429
|
||
0.1429
|
||
drop table t1;
|
||
CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
|
||
INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
|
||
('Full-text indexes', 'are called collections'),
|
||
('Only MyISAM tables','support collections'),
|
||
('Function MATCH ... AGAINST()','is used to do a search'),
|
||
('Full-text search in MySQL', 'implements vector space model');
|
||
set GLOBAL ft_boolean_syntax='+ -><()~*:""&|';
|
||
select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;
|
||
a b x
|
||
MySQL has now support for full-text search 0
|
||
Full-text indexes are called collections 1
|
||
Only MyISAM tables support collections 0
|
||
Function MATCH ... AGAINST() is used to do a search 0
|
||
Full-text search in MySQL implements vector space model 0
|
||
set GLOBAL ft_boolean_syntax='- +><()~*:""&|';
|
||
select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;
|
||
a b x
|
||
MySQL has now support for full-text search 0
|
||
Full-text indexes are called collections 0
|
||
Only MyISAM tables support collections 0
|
||
Function MATCH ... AGAINST() is used to do a search 0
|
||
Full-text search in MySQL implements vector space model 0
|
||
create function change_global() returns integer deterministic
|
||
begin
|
||
set global ft_boolean_syntax='+ -><()~*:""&|';
|
||
return 1;
|
||
end|
|
||
select *, change_global() from t1;
|
||
a b change_global()
|
||
MySQL has now support for full-text search 1
|
||
Full-text indexes are called collections 1
|
||
Only MyISAM tables support collections 1
|
||
Function MATCH ... AGAINST() is used to do a search 1
|
||
Full-text search in MySQL implements vector space model 1
|
||
drop function change_global;
|
||
drop table t1;
|
||
set GLOBAL query_cache_type=default;
|
||
set GLOBAL query_cache_limit=default;
|
||
set GLOBAL query_cache_min_res_unit=default;
|
||
set GLOBAL query_cache_size= default;
|
||
set GLOBAL query_cache_size=1000000;
|
||
create table t1 (a char);
|
||
insert into t1 values ('c');
|
||
a
|
||
drop table t1;
|
||
set GLOBAL query_cache_size= default;
|
||
set GLOBAL query_cache_size=1000000;
|
||
create table t1 (a char);
|
||
insert into t1 values ('c');
|
||
a
|
||
drop table t1;
|
||
set GLOBAL query_cache_size= default;
|
||
SET GLOBAL query_cache_size=64*1024*1024;
|
||
CREATE TABLE t1 (id INT);
|
||
CREATE PROCEDURE proc29856(IN theUPC TEXT)
|
||
BEGIN
|
||
SET @stmtStr := '';
|
||
SELECT CONCAT("SELECT id FROM t1 WHERE id IN (",theUPC,")") INTO @stmtStr;
|
||
PREPARE stmt FROM @stmtStr;
|
||
EXECUTE stmt;
|
||
END |
|
||
CALL proc29856('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,
|
||
51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,
|
||
77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,
|
||
102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,
|
||
121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,
|
||
140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,
|
||
159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,
|
||
178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,
|
||
197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,
|
||
216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,
|
||
235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,
|
||
254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,
|
||
273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,
|
||
292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,
|
||
311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,
|
||
330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,
|
||
349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,
|
||
368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,
|
||
387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,
|
||
406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,
|
||
425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,
|
||
444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,
|
||
463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,
|
||
482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,
|
||
501,502,503,504,505,506,507,508,509,510,511,512,513,514,515,516,517,518,519,
|
||
520,521,522,523,524,525,526,527,528,529,530,531,532,533,534,535,536,537,538,
|
||
539,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,556,557,
|
||
558,559,560,561,562,563,564,565,566,567,568,569,570,571,572,573,574,575,576,
|
||
577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,595,
|
||
596,597,598,599,600,601,602,603,604,605,606,607,608,609,610,611,612,613,614,
|
||
615,616,617,618,619,620,621,622,623,624,625,626,627,628,629,630,631,632,633,
|
||
634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651,652,
|
||
653,654,655,656,657,658,659,660,661,662,663,664,665,666,667,668,669,670,671,
|
||
672,673,674,675,676,677,678,679,680,681,682,683,684,685,686,687,688,689,690,
|
||
691,692,693,694,695,696,697,698,699,700,701,702,703,704,705,706,707,708,709,
|
||
710,711,712,713,714,715,716,717,718,719,720,721,722,723,724,725,726,727,728,
|
||
729,730,731,732,733,734,735,736,737,738,739,740,741,742,743,744,745,746,747,
|
||
748,749,750,751,752,753,754,755,756,757,758,759,760,761,762,763,764,765,766,
|
||
767,768,769,770,771,772,773,774,775,776,777,778,779,780,781,782,783,784,785,
|
||
786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804,
|
||
805,806,807,808,809,810,811,812,813,814,815,816,817,818,819,820,821,822,823,
|
||
824,825,826,827,828,829,830,831,832,833,834,835,836,837,838,839,840,841,842,
|
||
843,844,845,846,847,848,849,850,851,852,853,854,855,856,857,858,859,860,861,
|
||
862,863,864,865,866,867,868,869,870,871,872,873,874,875,876,877,878,879,880,
|
||
881,882,883,884,885,886,887,888,889,890,891,892,893,894,895,896,897,898,899,
|
||
900,901,902,903,904,905,906,907,908,909,910,911,912,913,914,915,916,917,918,
|
||
919,920,921,922,923,924,925,926,927,928,929,930,931,932,933,934,935,936,937,
|
||
938,939,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956,
|
||
957,958,959,960,961,962,963,964,965,966,967,968,969,970,971,972,973,974,975,
|
||
976,977,978,979,980,981,982,983,984,985,986,987,988,989,990,991,992,993,994,
|
||
995,996,997,998,999,1000,1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,
|
||
1011,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,1023,1024,1025,
|
||
1026,1027,1028,1029,1030,1031,1032,1033,1034,1035,1036,1037,1038,1039,1040,
|
||
1041,1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055,
|
||
1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,
|
||
1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,
|
||
1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100,
|
||
1101,1102,1103,1104,1105,1106,1107,1108,1109,1110,1111,1112,1113,1114,1115,
|
||
1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126,1127,1128,1129,1130,
|
||
1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,1142,1143,1144,1145,
|
||
1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160,
|
||
1161,1162,1163,1164,1165,1166,1167,1168,1169,1170,1171,1172,1173,1174,1175,
|
||
1176,1177,1178,1179,1180,1181,1182,1183,1184,1185,1186,1187,1188,1189,1190,
|
||
1191,1192,1193,1194,1195,1196,1197,1198,1199,1200,1201,1202,1203,1204,1205,
|
||
1206,1207,1208,1209,1210,1211,1212,1213,1214,1215,1216,1217,1218,1219,1220,
|
||
1221,1222,1223,1224,1225,1226,1227,1228,1229,1230,1231,1232,1233,1234,1235,
|
||
1236,1237,1238,1239,1240,1241,1242,1243,1244,1245,1246,1247,1248,1249,1250,
|
||
1251,1252,1253,1254,1255,1256,1257,1258,1259,1260,1261,1262,1263,1264,1265,
|
||
1266,1267,1268,1269,1270,1271,1272,1273,1274,1275,1276,1277,1278,1279,1280,
|
||
1281,1282,1283,1284,1285,1286,1287,1288,1289,1290,1291,1292,1293,1294,1295,
|
||
1296,1297,1298,1299,1300,1301,1302,1303,1304,1305,1306,1307,1308,1309,1310,
|
||
1311,1312,1313,1314,1315,1316,1317,1318,1319,1320,1321,1322,1323,1324,1325,
|
||
1326,1327,1328,1329,1330,1331,1332,1333,1334,1335,1336,1337,1338,1339,1340,
|
||
1341,1342,1343,1344,1345,1346,1347,1348,1349,1350,1351,1352,1353,1354,1355,
|
||
1356,1357,1358,1359,1360,1361,1362,1363,1364,1365,1366,1367,1368,1369,1370,
|
||
1371,1372,1373,1374,1375,1376,1377,1378,1379,1380,1381,1382,1383,1384,1385,
|
||
1386,1387,1388,1389,1390,1391,1392,1393,1394,1395,1396,1397,1398,1399,1400,
|
||
1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415,
|
||
1416,1417,1418,1419,1420,1421,1422,1423,1424,1425,1426,1427,1428,1429,1430,
|
||
1431,1432,1433,1434,1435,1436,1437,1438,1439,1440,1441,1442,1443,1444,1445,
|
||
1446,1447,1448,1449,1450,1451,1452,1453,1454,1455,1456,1457,1458,1459,1460,
|
||
1461,1462,1463,1464,1465,1466,1467,1468,1469,1470,1471,1472,1473,1474,1475,
|
||
1476,1477,1478,1479,1480,1481,1482,1483,1484,1485,1486,1487,1488,1489,1490,
|
||
1491,1492,1493,1494,1495,1496,1497,1498,1499,1500,1501,1502,1503,1504,1505,
|
||
1506,1507,1508,1509,1510,1511,1512,1513,1514,1515,1516,1517,1518,1519,1520,
|
||
1521,1522,1523,1524,1525,1526,1527,1528,1529,1530,1531,1532,1533,1534,1535,
|
||
1536,1537,1538,1539,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550,
|
||
1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1564,1565,
|
||
1566,1567,1568,1569,1570,1571,1572,1573,1574,1575,1576,1577,1578,1579,1580,
|
||
1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595,
|
||
1596,1597,1598,1599,1600,1601,1602,1603,1604,1605,1606,1607,1608,1609,1610,
|
||
1611,1612,1613,1614,1615,1616,1617,1618,1619,1620,1621,1622,1623,1624,1625,
|
||
1626,1627,1628,1629,1630,1631,1632,1633,1634,1635,1636,1637,1638,1639,1640,
|
||
1641,1642,1643,1644,1645,1646,1647,1648,1649,1650,1651,1652,1653,1654,1655,
|
||
1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,
|
||
1671,1672,1673,1674,1675,1676,1677,1678,1679,1680,1681,1682,1683,1684,1685,
|
||
1686,1687,1688,1689,1690,1691,1692,1693,1694,1695,1696,1697,1698,1699,1700,
|
||
1701,1702,1703,1704,1705,1706,1707,1708,1709,1710,1711,1712,1713,1714,1715,
|
||
1716,1717,1718,1719,1720,1721,1722,1723,1724,1725,1726,1727,1728,1729,1730,
|
||
1731,1732,1733,1734,1735,1736,1737,1738,1739,1740,1741,1742,1743,1744,1745,
|
||
1746,1747,1748,1749,1750,1751,1752,1753,1754,1755,1756,1757,1758,1759,1760,
|
||
1761,1762,1763,1764,1765,1766,1767,1768,1769,1770,1771,1772,1773,1774,1775,
|
||
1776,1777,1778,1779,1780,1781,1782,1783,1784,1785,1786,1787,1788,1789,1790,
|
||
1791,1792,1793,1794,1795,1796,1797,1798,1799,1800,1801,1802,1803,1804,1805,
|
||
1806,1807,1808,1809,1810,1811');
|
||
id
|
||
DROP PROCEDURE proc29856;
|
||
DROP TABLE t1;
|
||
SET GLOBAL query_cache_size= default;
|
||
#
|
||
# Bug#25132 disabled query cache: Qcache_free_blocks = 1
|
||
#
|
||
set global query_cache_size=100000;
|
||
set global query_cache_size=0;
|
||
set global query_cache_type=0;
|
||
show status like 'Qcache_free_blocks';
|
||
Variable_name Value
|
||
Qcache_free_blocks 0
|
||
Restore default values.
|
||
set GLOBAL query_cache_type=default;
|
||
set GLOBAL query_cache_limit=default;
|
||
set GLOBAL query_cache_min_res_unit=default;
|
||
set GLOBAL query_cache_size=default;
|
||
FLUSH STATUS;
|
||
SET GLOBAL query_cache_size=10*1024*1024;
|
||
SET @save_concurrent_insert= @@concurrent_insert;
|
||
SET GLOBAL concurrent_insert= 0;
|
||
CREATE TABLE t1 (c1 INT NOT NULL) ENGINE=MyISAM;
|
||
INSERT INTO t1 (c1) VALUES (1), (2);
|
||
SHOW GLOBAL VARIABLES LIKE 'concurrent_insert';
|
||
Variable_name Value
|
||
concurrent_insert 0
|
||
SHOW STATUS LIKE 'Qcache_hits';
|
||
Variable_name Value
|
||
Qcache_hits 0
|
||
SELECT * FROM t1;
|
||
c1
|
||
1
|
||
2
|
||
SELECT * FROM t1;
|
||
c1
|
||
1
|
||
2
|
||
SHOW STATUS LIKE 'Qcache_hits';
|
||
Variable_name Value
|
||
Qcache_hits 1
|
||
DROP TABLE t1;
|
||
SET GLOBAL concurrent_insert= @save_concurrent_insert;
|
||
SET GLOBAL query_cache_size= default;
|
||
DROP TABLE IF EXISTS t1;
|
||
FLUSH STATUS;
|
||
SET GLOBAL query_cache_size=1048576;
|
||
CREATE TABLE t1 (a INT);
|
||
INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
|
||
SHOW STATUS LIKE 'Qcache_queries_in_cache';
|
||
Variable_name Value
|
||
Qcache_queries_in_cache 0
|
||
SELECT * FROM t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
4
|
||
5
|
||
BEGIN;
|
||
SELECT * FROM t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
4
|
||
5
|
||
COMMIT;
|
||
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 0
|
||
SELECT * FROM t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
4
|
||
5
|
||
BEGIN;
|
||
SELECT * FROM t1;
|
||
a
|
||
1
|
||
2
|
||
3
|
||
4
|
||
5
|
||
COMMIT;
|
||
SHOW STATUS LIKE "Qcache_hits";
|
||
Variable_name Value
|
||
Qcache_hits 2
|
||
DROP TABLE t1;
|
||
SET GLOBAL query_cache_size= default;
|
||
End of 5.0 tests
|
||
CREATE TABLE t1 (a ENUM('rainbow'));
|
||
INSERT INTO t1 VALUES (),(),(),(),();
|
||
SELECT 1 FROM t1 GROUP BY (SELECT 1 FROM t1 ORDER BY AVG(LAST_INSERT_ID()));
|
||
1
|
||
1
|
||
DROP TABLE t1;
|
||
CREATE TABLE t1 (a LONGBLOB);
|
||
INSERT INTO t1 SET a = 'aaaa';
|
||
INSERT INTO t1 SET a = 'aaaa';
|
||
SELECT 1 FROM t1 GROUP BY
|
||
(SELECT LAST_INSERT_ID() FROM t1 ORDER BY MIN(a) ASC LIMIT 1);
|
||
1
|
||
1
|
||
DROP TABLE t1;
|
||
End of 5.1 tests
|