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450 lines
12 KiB
Text
450 lines
12 KiB
Text
-- source include/have_query_cache.inc
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#
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# Tests with query cache
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#
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# Reset query cache variables.
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flush query cache; # This crashed in some versions
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flush query cache; # This crashed in some versions
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reset query cache;
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flush status;
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--disable_warnings
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drop database if exists mysqltest;
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drop table if exists t1,t2,t3,t11,t21, mysqltest.t1;
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--enable_warnings
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#
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# First simple test
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#
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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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select * from t1;
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select sql_no_cache * from t1;
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select length(now()) from t1;
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# Only check the variables that are independent of the machine and startup
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# options
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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drop table t1;
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show status like "Qcache_queries_in_cache";
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#
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# MERGE TABLES with INSERT/UPDATE and DELETE
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#
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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) type=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
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# insert
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select * from t3;
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select * from t3;
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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insert into t2 values (7);
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show status like "Qcache_queries_in_cache";
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select * from t1;
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select * from t1;
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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insert into t3 values (8);
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show status like "Qcache_queries_in_cache";
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# update
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select * from t3;
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show status like "Qcache_queries_in_cache";
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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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select * from t1;
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show status like "Qcache_queries_in_cache";
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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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#delete
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select * from t3;
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show status like "Qcache_queries_in_cache";
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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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select * from t1;
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show status like "Qcache_queries_in_cache";
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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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drop table t1, t2, t3;
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#
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# FLUSH QUERY CACHE
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#
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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 (1),(2),(3);
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select * from t1;
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select * from t2;
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insert into t1 values (4);
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show status like "Qcache_free_blocks";
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flush query cache;
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show status like "Qcache_free_blocks";
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drop table t1, t2;
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# With join results...
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create table t1 (a text not null);
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create table t11 (a text not null);
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create table t2 (a text not null);
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create table t21 (a text not null);
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create table t3 (a text not null);
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insert into t1 values("1111111111111111111111111111111111111111111111111111");
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insert into t2 select * from t1;
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insert into t1 select * from t2;
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insert into t2 select * from t1;
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insert into t1 select * from t2;
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insert into t2 select * from t1;
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insert into t1 select * from t2;
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insert into t2 select * from t1;
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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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# t11 and t21 must be over 4Kb (QUERY_CACHE_MIN_RESULT_DATA_SIZE)
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insert into t11 select * from t1;
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insert into t21 select * from t1;
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insert into t1 select * from t2;
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insert into t2 select * from t1;
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insert into t1 select * from t2;
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#results of t3 must be > 0.5Mb
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insert into t3 select * from t1;
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insert into t3 select * from t2;
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insert into t3 select * from t1;
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disable_result_log;
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select * from t11;
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select * from t21;
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enable_result_log;
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show status like "Qcache_total_blocks";
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show status like "Qcache_free_blocks";
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disable_result_log;
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insert into t11 values("");
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select * from t3;
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enable_result_log;
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show status like "Qcache_total_blocks";
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show status like "Qcache_free_blocks";
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flush query cache;
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show status like "Qcache_total_blocks";
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show status like "Qcache_free_blocks";
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drop table t1, t2, t3, t11, t21;
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#
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# SELECT SQL_CACHE ...
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#
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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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show status like "Qcache_queries_in_cache";
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select sql_cache * from t1;
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set query_cache_type=2;
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select sql_cache * from t1;
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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set query_cache_type=on;
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#
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# RESET QUERY CACHE
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#
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reset query cache;
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show status like "Qcache_queries_in_cache";
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#
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# SELECT SQL_NO_CACHE
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#
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select sql_no_cache * from t1;
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show status like "Qcache_queries_in_cache";
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drop table t1;
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#
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# Check that queries that uses NOW(), LAST_INSERT_ID()... are not cached.
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#
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create table t1 (a text not null);
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select CONNECTION_ID() from t1;
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#GET_LOCK
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#RELEASE_LOCK
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#LOAD_FILE
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select FOUND_ROWS();
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select NOW() from t1;
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select CURDATE() from t1;
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select CURTIME() from t1;
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select DATABASE() from t1;
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select ENCRYPT("test") from t1;
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select LAST_INSERT_ID() from t1;
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select RAND() from t1;
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select UNIX_TIMESTAMP() from t1;
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select USER() from t1;
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select benchmark(1,1) from t1;
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show status like "Qcache_queries_in_cache";
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#
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# Tests when the cache is filled
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#
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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; # 2
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insert into t2 select * from t1; # 3
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insert into t1 select * from t2; # 5
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insert into t2 select * from t1; # 8
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insert into t1 select * from t2; # 13
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insert into t2 select * from t1; # 21
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insert into t1 select * from t2; # 34
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insert into t2 select * from t1; # 55
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insert into t1 select * from t2; # 89
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insert into t2 select * from t1; # 144
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insert into t1 select * from t2; # 233
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insert into t2 select * from t1; # 357
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insert into t1 select * from t2; # 610
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insert into t2 select * from t1; # 987
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insert into t1 select * from t2; # 1597
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insert into t2 select * from t1; # 2584
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insert into t1 select * from t2; # 4181
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show status like "Qcache_hits";
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show status like "Qcache_lowmem_prunes";
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disable_result_log;
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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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# next query must be out of 1Mb cache
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select a as a1, a as a2 from t1;
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enable_result_log;
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_lowmem_prunes";
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reset query cache;
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#
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# Query bigger then query_cache_limit
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#
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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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disable_result_log;
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select * from t1;
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enable_result_log;
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show status like "Qcache_queries_in_cache";
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drop table t1,t2;
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#
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# noncachable ODBC work around (and prepare cache for drop database)
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#
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create database if not exists 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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#
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# drop db
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#
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select * from mysqltest.t1;
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show status like "Qcache_queries_in_cache";
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drop database mysqltest;
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show status like "Qcache_queries_in_cache";
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#
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# Charset convertion (cp1251_koi8 always present)
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#
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create table t1 (a char(1) not null);
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insert into t1 values("<22>");
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select * from t1;
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set CHARACTER SET cp1251_koi8;
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select * from t1;
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set CHARACTER SET DEFAULT;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_hits";
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drop table t1;
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# The following tests can't be done as the values differen on 32 and 64 bit
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# machines :(
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#show variables like "query_cache_size";
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#show status like "Qcache_free_memory";
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#
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# same tables in different db
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#
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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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use mysqltest;
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select * from t1;
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select * from t1;
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use test;
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select * from t1;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_hits";
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drop database mysqltest;
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drop table t1;
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#
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# FOUND_ROWS()
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#
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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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select FOUND_ROWS();
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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select * from t1 where i=1;
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select FOUND_ROWS();
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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select SQL_CALC_FOUND_ROWS * from t1 limit 2;
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select FOUND_ROWS();
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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select * from t1 where i=1;
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select FOUND_ROWS();
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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drop table t1;
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#
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# Test insert delayed
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#
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flush query cache;
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reset query cache;
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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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select * from t1;
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show status like "Qcache_queries_in_cache";
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insert delayed into t1 values (4);
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--sleep 5 # Wait for insert delayed to be executed.
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select a from t1;
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show status like "Qcache_queries_in_cache";
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drop table t1;
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show status like "Qcache_queries_in_cache";
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#
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# Test of min result data unit size changing
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#
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show global variables like "query_cache_min_res_unit";
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set GLOBAL query_cache_min_res_unit=1001;
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show global variables like "query_cache_min_res_unit";
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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 (1),(2),(3);
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select * from t1;
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select * from t1;
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select * from t2;
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select * from t2;
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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drop table t1;
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select a from t2;
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select a from t2;
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show status like "Qcache_hits";
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show status like "Qcache_queries_in_cache";
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drop table t2;
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set GLOBAL query_cache_min_res_unit=default;
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show global variables like "query_cache_min_res_unit";
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#
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# Test of query cache resizing
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#
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set GLOBAL query_cache_size=1000;
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show global variables like "query_cache_size";
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set GLOBAL query_cache_size=1100;
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set GLOBAL query_cache_size=1200;
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set GLOBAL query_cache_size=1300;
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set GLOBAL query_cache_size=1400;
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set GLOBAL query_cache_size=1500;
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set GLOBAL query_cache_size=1600;
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set GLOBAL query_cache_size=1700;
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set GLOBAL query_cache_size=1800;
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set GLOBAL query_cache_size=1900;
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show global variables like "query_cache_size";
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#
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# Temporary tables
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#
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set GLOBAL query_cache_size=1048576;
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create table t1 (i int not null);
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create table t2 (i int not null);
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select * from t1;
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show status like "Qcache_queries_in_cache";
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create temporary table t3 (i int not null);
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select * from t2;
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show status like "Qcache_queries_in_cache";
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select * from t3;
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show status like "Qcache_queries_in_cache";
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update t1 set i=(select distinct 1 from (select * from t2) a);
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drop table t1, t2, t3;
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#
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# system databse test
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#
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use mysql;
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disable_result_log;
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select * from db;
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enable_result_log;
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show status like "Qcache_queries_in_cache";
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use test;
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disable_result_log;
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select * from mysql.db;
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enable_result_log;
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show status like "Qcache_queries_in_cache";
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#
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# simple rename test
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#
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create table t1(id int auto_increment primary key);
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insert into t1 values (NULL), (NULL), (NULL);
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select * from t1 where id=2;
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alter table t1 rename to t2;
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-- error 1146
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select * from t1 where id=2;
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drop table t2;
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-- error 1146
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select * from t1 where id=2;
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#
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# Load data invalidation test
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#
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create table t1 (word char(20) not null);
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select * from t1;
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show status like "Qcache_queries_in_cache";
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load data infile '../../std_data/words.dat' into table t1;
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show status like "Qcache_queries_in_cache";
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drop table t1;
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#
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# INTO OUTFILE/DUMPFILE test
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#
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create table t1 (a int);
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insert into t1 values (1),(2),(3);
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show status like "Qcache_queries_in_cache";
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select * from t1 into outfile "query_caceh.out.file";
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select * from t1 limit 1 into dumpfile "query_cache.dump.file";
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show status like "Qcache_queries_in_cache";
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drop table t1;
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