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mariadb/mysql-test/t/query_cache.test
unknown 6efd76f317 Merge 4.1 into 5.0. 
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2004-02-10 18:44:02 +01:00

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-- source include/have_query_cache.inc
#
# Tests with query cache
#
set GLOBAL query_cache_size=1355776;
# Reset query cache variables.
flush query cache; # This crashed in some versions
flush query cache; # This crashed in some versions
reset query cache;
flush status;
--disable_warnings
drop table if exists t1,t2,t3,t4,t11,t21;
drop database if exists mysqltest;
--enable_warnings
#
# First simple test
#
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
select * from t1;
select * from t1;
select sql_no_cache * from t1;
select length(now()) from t1;
# Only check the variables that are independent of the machine and startup
# options
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
drop table t1;
show status like "Qcache_queries_in_cache";
#
# MERGE TABLES with INSERT/UPDATE and DELETE
#
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 (4),(5),(6);
create table t3 (a int not null) engine=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
# insert
select * from t3;
select * from t3;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
insert into t2 values (7);
show status like "Qcache_queries_in_cache";
select * from t1;
select * from t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
insert into t3 values (8);
show status like "Qcache_queries_in_cache";
# update
select * from t3;
show status like "Qcache_queries_in_cache";
update t2 set a=9 where a=7;
show status like "Qcache_queries_in_cache";
select * from t1;
show status like "Qcache_queries_in_cache";
update t3 set a=10 where a=1;
show status like "Qcache_queries_in_cache";
#delete
select * from t3;
show status like "Qcache_queries_in_cache";
delete from t2 where a=9;
show status like "Qcache_queries_in_cache";
select * from t1;
show status like "Qcache_queries_in_cache";
delete from t3 where a=10;
show status like "Qcache_queries_in_cache";
drop table t1, t2, t3;
#
# FLUSH QUERY CACHE
#
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;
select * from t2;
insert into t1 values (4);
show status like "Qcache_free_blocks";
flush query cache;
show status like "Qcache_free_blocks";
drop table t1, t2;
# With join results...
create table t1 (a text not null);
create table t11 (a text not null);
create table t2 (a text not null);
create table t21 (a text not null);
create table t3 (a text not null);
insert into t1 values("1111111111111111111111111111111111111111111111111111");
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
# t11 and t21 must be over 4Kb (QUERY_CACHE_MIN_RESULT_DATA_SIZE)
insert into t11 select * from t1;
insert into t21 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
#results of t3 must be > 0.5Mb
insert into t3 select * from t1;
insert into t3 select * from t2;
insert into t3 select * from t1;
disable_result_log;
select * from t11;
select * from t21;
enable_result_log;
show status like "Qcache_total_blocks";
show status like "Qcache_free_blocks";
disable_result_log;
insert into t11 values("");
select * from t3;
enable_result_log;
show status like "Qcache_total_blocks";
show status like "Qcache_free_blocks";
flush query cache;
show status like "Qcache_total_blocks";
show status like "Qcache_free_blocks";
drop table t1, t2, t3, t11, t21;
#
# SELECT SQL_CACHE ...
#
set query_cache_type=demand;
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
select * from t1;
show status like "Qcache_queries_in_cache";
select sql_cache * from t1 union select * from t1;
set query_cache_type=2;
select sql_cache * from t1 union select * from t1;
select * from t1 union select sql_cache * from t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
set query_cache_type=on;
#
# RESET QUERY CACHE
#
reset query cache;
show status like "Qcache_queries_in_cache";
#
# SELECT SQL_NO_CACHE
#
select sql_no_cache * from t1;
show status like "Qcache_queries_in_cache";
drop table t1;
#
# Check that queries that uses NOW(), LAST_INSERT_ID()... are not cached.
#
create table t1 (a text not null);
select CONNECTION_ID() from t1;
#GET_LOCK
#RELEASE_LOCK
#LOAD_FILE
select FOUND_ROWS();
select NOW() from t1;
select CURDATE() from t1;
select CURTIME() from t1;
select DATABASE() from t1;
select ENCRYPT("test") from t1;
select LAST_INSERT_ID() from t1;
select RAND() from t1;
select UNIX_TIMESTAMP() from t1;
select USER() from t1;
select benchmark(1,1) from t1;
explain extended select benchmark(1,1) from t1;
show status like "Qcache_queries_in_cache";
#
# Tests when the cache is filled
#
create table t2 (a text not null);
insert into t1 values("1111111111111111111111111111111111111111111111111111");
insert into t2 select * from t1;
insert into t1 select * from t2; # 2
insert into t2 select * from t1; # 3
insert into t1 select * from t2; # 5
insert into t2 select * from t1; # 8
insert into t1 select * from t2; # 13
insert into t2 select * from t1; # 21
insert into t1 select * from t2; # 34
insert into t2 select * from t1; # 55
insert into t1 select * from t2; # 89
insert into t2 select * from t1; # 144
insert into t1 select * from t2; # 233
insert into t2 select * from t1; # 357
insert into t1 select * from t2; # 610
insert into t2 select * from t1; # 987
insert into t1 select * from t2; # 1597
insert into t2 select * from t1; # 2584
insert into t1 select * from t2; # 4181
show status like "Qcache_hits";
show status like "Qcache_lowmem_prunes";
disable_result_log;
select a as a1, a as a2 from t1;
select a as a2, a as a3 from t1;
select a as a3, a as a4 from t1;
# next query must be out of 1Mb cache
select a as a1, a as a2 from t1;
enable_result_log;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
show status like "Qcache_lowmem_prunes";
reset query cache;
#
# Query bigger then query_cache_limit
#
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
disable_result_log;
select * from t1;
enable_result_log;
show status like "Qcache_queries_in_cache";
drop table t1,t2;
#
# noncachable ODBC work around (and prepare cache for drop database)
#
create database mysqltest;
create table mysqltest.t1 (i int not null auto_increment, a int, primary key (i));
insert into mysqltest.t1 (a) values (1);
select * from mysqltest.t1 where i is null;
#
# drop db
#
create table t1(a int);
select * from t1;
show status like "Qcache_queries_in_cache";
select * from mysqltest.t1;
show status like "Qcache_queries_in_cache";
drop database mysqltest;
show status like "Qcache_queries_in_cache";
drop table t1;
#
# Charset convertion (cp1251_koi8 always present)
#
create table t1 (a char(1) not null collate koi8r_general_ci);
insert into t1 values(_koi8r"<22>");
set CHARACTER SET koi8r;
select * from t1;
set CHARACTER SET cp1251_koi8;
select * from t1;
set CHARACTER SET DEFAULT;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
drop table t1;
# The following tests can't be done as the values differen on 32 and 64 bit
# machines :(
#show variables like "query_cache_size";
#show status like "Qcache_free_memory";
#
# same tables in different db
#
create database if not exists mysqltest;
create table mysqltest.t1 (i int not null);
create table t1 (i int not null);
insert into mysqltest.t1 (i) values (1);
insert into t1 (i) values (2);
select * from t1;
use mysqltest;
select * from t1;
select * from t1;
use test;
select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
drop database mysqltest;
drop table t1;
#
# FOUND_ROWS()
#
create table t1 (i int not null);
insert into t1 (i) values (1),(2),(3),(4);
select SQL_CALC_FOUND_ROWS * from t1 limit 2;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
select * from t1 where i=1;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
select SQL_CALC_FOUND_ROWS * from t1 limit 2;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
select * from t1 where i=1;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t1;
#
# Test insert delayed
#
flush query cache;
reset query cache;
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
select * from t1;
select * from t1;
show status like "Qcache_queries_in_cache";
insert delayed into t1 values (4);
--sleep 5 # Wait for insert delayed to be executed.
select a from t1;
show status like "Qcache_queries_in_cache";
drop table t1;
show status like "Qcache_queries_in_cache";
#
# Test of min result data unit size changing
#
show global variables like "query_cache_min_res_unit";
set GLOBAL query_cache_min_res_unit=1001;
show global variables like "query_cache_min_res_unit";
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;
select * from t1;
select * from t2;
select * from t2;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t1;
select a from t2;
select a from t2;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t2;
set GLOBAL query_cache_min_res_unit=default;
show global variables like "query_cache_min_res_unit";
#
# Case sensitive test
#
create table t1 (a int not null);
insert into t1 values (1);
select "aaa" from t1;
select "AAA" from t1;
drop table t1;
#
# Test of query cache resizing
#
create table t1 (a int);
set GLOBAL query_cache_size=1000;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=1024;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=10240;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=20480;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=40960;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=51200;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=61440;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=81920;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=102400;
show global variables like "query_cache_size";
select * from t1;
drop table t1;
#
# Temporary tables
#
set GLOBAL query_cache_size=1048576;
create table t1 (i int not null);
create table t2 (i int not null);
select * from t1;
show status like "Qcache_queries_in_cache";
create temporary table t3 (i int not null);
select * from t2;
show status like "Qcache_queries_in_cache";
select * from t3;
show status like "Qcache_queries_in_cache";
update t1 set i=(select distinct 1 from (select * from t2) a);
drop table t1, t2, t3;
#
# system databse test
#
use mysql;
disable_result_log;
select * from db;
enable_result_log;
show status like "Qcache_queries_in_cache";
use test;
disable_result_log;
select * from mysql.db;
enable_result_log;
show status like "Qcache_queries_in_cache";
#
# simple rename test
#
create table t1(id int auto_increment primary key);
insert into t1 values (NULL), (NULL), (NULL);
select * from t1 where id=2;
alter table t1 rename to t2;
-- error 1146
select * from t1 where id=2;
drop table t2;
-- error 1146
select * from t1 where id=2;
#
# Load data invalidation test
#
create table t1 (word char(20) not null);
select * from t1;
show status like "Qcache_queries_in_cache";
--replace_result $MYSQL_TEST_DIR TEST_DIR
eval load data infile '$MYSQL_TEST_DIR/std_data/words.dat' into table t1;
show status like "Qcache_queries_in_cache";
select count(*) from t1;
drop table t1;
#
# INTO OUTFILE/DUMPFILE test
#
create table t1 (a int);
insert into t1 values (1),(2),(3);
show status like "Qcache_queries_in_cache";
select * from t1 into outfile "query_cache.out.file";
--error 1086
select * from t1 into outfile "query_cache.out.file";
select * from t1 limit 1 into dumpfile "query_cache.dump.file";
show status like "Qcache_queries_in_cache";
drop table t1;
#
# test of SQL_SELECT_LIMIT
#
create table t1 (a int);
insert into t1 values (1),(2);
show status like "Qcache_queries_in_cache";
select * from t1;
SET OPTION SQL_SELECT_LIMIT=1;
select * from t1;
show status like "Qcache_queries_in_cache";
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
drop table t1;
#
# query cache crash on using same table twice in one query test
#
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);
disable_result_log;
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;
enable_result_log;
delete from t4 where a=1;
flush query cache;
drop table t1,t2,t3,t4;
#
# Test character set related variables:
# character_set_result
# character_set_client
# charactet_set_connection/collation_connection
# If at least one of the above variables has changed,
# the cached query can't be reused. In the below test
# absolutely the same query is used several times,
# SELECT should fetch different results for every instance.
# No hits should be produced.
# New cache entry should appear for every SELECT.
#
SET NAMES koi8r;
CREATE TABLE t1 (a char(1) character set koi8r);
INSERT INTO t1 VALUES (_koi8r'<27>'),(_koi8r'<27>');
#
# Run select
#
SELECT a,'<27>','<27>'='<27>' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Change collation_connection and run the same query again
#
set collation_connection=koi8r_bin;
SELECT a,'<27>','<27>'='<27>' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Now change character_set_client and run the same query again
#
set character_set_client=cp1251;
SELECT a,'<27>','<27>'='<27>' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# And finally change character_set_results and run the same query again
#
set character_set_results=cp1251;
SELECT a,'<27>','<27>'='<27>' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
DROP TABLE t1;
#
# DROP current database test
#
CREATE TABLE t1 (a int(1));
CREATE DATABASE mysqltest;
USE mysqltest;
DROP DATABASE mysqltest;
SELECT * FROM test.t1;
USE test;
DROP TABLE t1;
# comments before command
#
create table t1 (a int);
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
/**/ select * from t1;
/**/ select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
#
# Keep things tidy
#
DROP TABLE t1;
SET GLOBAL query_cache_size=0;
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