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Diffstat (limited to 'mysql-test/main/query_cache.test')
| -rw-r--r-- | mysql-test/main/query_cache.test | 1788 |
1 files changed, 1788 insertions, 0 deletions
diff --git a/mysql-test/main/query_cache.test b/mysql-test/main/query_cache.test new file mode 100644 index 00000000000..1b1e24bc6f4 --- /dev/null +++ b/mysql-test/main/query_cache.test @@ -0,0 +1,1788 @@ +-- source include/have_query_cache.inc +-- source include/long_test.inc + +# +# Tests with query cache +# +SET GLOBAL query_cache_type= Off; +SET LOCAL query_cache_type= Off; +SET LOCAL query_cache_type= 0; +--error ER_QUERY_CACHE_IS_GLOBALY_DISABLED +SET LOCAL query_cache_type= on; +--error ER_QUERY_CACHE_IS_GLOBALY_DISABLED +SET LOCAL query_cache_type= 1; +set GLOBAL query_cache_size=1355776; +SET GLOBAL query_cache_type= ON; +SET LOCAL query_cache_type= ON; + +# 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,t1_1,t1_2,t9,t9_1,t9_2; +drop database if exists mysqltest; + +# Fix possible left overs from other tests +drop table if exists ```a`; +drop view if exists v1; +--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) ENGINE=MyISAM; +insert into t1 values (1),(2),(3); +create table t2 (a int not null) ENGINE=MyISAM; +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; +# +# 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; + +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 CURRENT_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 conversion (cp1251_koi8 always present) +# +create table t1 (a char(1) not null collate koi8r_general_ci); +insert into t1 values(_koi8r"á"); +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) ENGINE=MyISAM; +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 ER_NO_SUCH_TABLE +select * from t1 where id=2; +drop table t2; +--error ER_NO_SUCH_TABLE +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 $MYSQLTEST_VARDIR MYSQLTEST_VARDIR +eval load data infile '$MYSQLTEST_VARDIR/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 ER_FILE_EXISTS_ERROR +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; +let $datadir=`select @@datadir`; +--remove_file $datadir/test/query_cache.dump.file +--remove_file $datadir/test/query_cache.out.file + +# +# 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 SQL_SELECT_LIMIT=1; +select * from t1; +show status like "Qcache_queries_in_cache"; +SET 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; + +# +# WRITE LOCK & QC +# +set query_cache_wlock_invalidate=1; +create table t1 (a int not null); +create table t2 (a int not null); +create view v1 as select * from t1; +select * from t1; +select * from t2; +show status like "Qcache_queries_in_cache"; +lock table t1 write, t2 read; +show status like "Qcache_queries_in_cache"; +unlock table; +select * from t1; +# Implicit locking of t1 does not invalidate QC +show status like "Qcache_queries_in_cache"; +lock table v1 write; +show status like "Qcache_queries_in_cache"; +unlock table; +drop view v1; +drop table t1,t2; +set query_cache_wlock_invalidate=default; + +# +# hiding real table stored in query cache by temporary table +# +CREATE TABLE t1 (id INT PRIMARY KEY); +insert into t1 values (1),(2),(3); +select * from t1; +create temporary table t1 (a int not null auto_increment +primary key); +select * from t1; +drop table t1; +drop table t1; + +# +# 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'á'),(_koi8r'Á'); +# +# Run select +# +SELECT a,'Â','â'='Â' 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,'Â','â'='Â' 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,'Â','â'='Â' 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,'Â','â'='Â' FROM t1; +show status like "Qcache_hits"; +show status like "Qcache_queries_in_cache"; +SET NAMES default; + +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; + +# +# charset with NULL +# +set character_set_results=null; +select @@character_set_results; +set character_set_results=default; +# +# query cache and environment variables +# +# max_sort_length +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; +reset query cache; +set max_sort_length=20; +select c from t1 order by c, id; +set max_sort_length=200; +select c from t1 order by c, id; +set max_sort_length=default; +# sql_mode +select '1' || '3' from t1; +set SQL_MODE=oracle; +select '1' || '3' from t1; +set SQL_MODE=default; +drop table t1; +# group_concat_max_len +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; +set group_concat_max_len=1024; +select group_concat(a) FROM t1 group by b; +set group_concat_max_len=default; +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; + +# +# Information schema & query cache test +# +SET SESSION query_cache_type = 2; +create table t1(a int); +select table_name from information_schema.tables +where table_schema="test"; +drop table t1; +select table_name from information_schema.tables +where table_schema="test"; +# Bug #8480: REPAIR TABLE needs to flush the table from the query cache +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; +select a from t1; +show status like 'qcache_queries_in_cache'; +repair table t1; +show status like 'qcache_queries_in_cache'; +drop table t1; + +# +# Bug #9549: Make sure cached queries that span more than one cache block +# are handled properly in the embedded server. +# +# We just want a small query cache, so we can fragment it easily +set GLOBAL query_cache_size=64*1024; +# This actually gives us a usable cache size of about 48K + +# Each table is about 14K +create table t1 (a text); +insert into t1 values (repeat('abcdefghijklmnopqrstuvwxyz', 550)); +create table t2 (a text); +insert into t2 values (repeat('ijklmnopqrstuvwxyzabcdefgh', 550)); + +# Load a query from each table into the query cache +--disable_result_log +select a from t1; # Q1 +select a from t2; # Q2 +--enable_result_log +show status like 'Qcache_%_blocks'; + +# Now the cache looks like (14K for Q1)(14K for Q2)(20K free) + +# Flush Q1 from the cache by adding an out-of-order chunk to t1 +insert into t1 select reverse(a) from t1; +show status like 'Qcache_%_blocks'; + +# Now the cache looks like (14K free)(14K for Q2)(20K free) + +# Load our new data into the query cache +--disable_result_log +select a from t1; # Q3 +--enable_result_log +show status like 'Qcache_%_blocks'; + +# Now the cache should be like (14K for Q3)(14K for Q2)(14K for Q3)(6K free) + +# Note that Q3 is split across two chunks! + +# Load Q3 from the cache, and actually pay attention to the results +select a from t1; + +flush query cache; + +drop table t1, t2; +set GLOBAL query_cache_size=1355776; + + +# +# Query with warning prohibited to query cache (BUG#9414) +# +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'; +SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid'; +SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid'; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +drop table t1; + +# +# queries with subquery in the FROM clause (BUG#11522) +# +create table t1 (a int); +insert into t1 values (1); +reset query cache; +flush status; +select * from (select * from t1) a; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +select * from (select * from t1) a; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +insert into t1 values (2); +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +select * from (select * from t1) a; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +drop table t1; + +# +# BUG#14652: Queries with leading '(' characters. +# +create table t1 (a int); +flush status; +(select a from t1) union (select a from t1); +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +(select a from t1) union (select a from t1); +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; + +set query_cache_strip_comments=1; +(select a from t1) union (select a from t1); +(select a from t1) /* */union (select a from t1); +set query_cache_strip_comments=0; +(select a from t1) union (select a from t1); +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; + +drop table t1; + +# +# SP cursors and selects with query cache (BUG#9715) +# +create table t1 (a int); +insert into t1 values (1),(2); + +--disable_warnings +drop procedure if exists p1; +--enable_warnings +delimiter //; +CREATE PROCEDURE `p1`() +begin +Declare c1 cursor for select a from t1; +open c1; +select * from t1; +end// +call p1()// +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 @old_log_bin_trust_function_creators= @@global.log_bin_trust_function_creators; +SET GLOBAL log_bin_trust_function_creators = 1; +call p1()// +SET GLOBAL log_bin_trust_function_creators = @old_log_bin_trust_function_creators; +drop procedure p1// +drop function f1// + +drop table t1// +delimiter ;// + +# +# query in QC from normal execution and SP (BUG#6897) +# improved to also test BUG#3583 and BUG#12990 +# +flush query cache; +reset query cache; +flush status; +delimiter //; +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;// +delimiter ;// +call f1(); +call f1(); +call f1(); +select sql_cache * from t1; +insert into t1 values (1); +select sql_cache * from t1; +call f1(); +call f1(); +select sql_cache * from t1; +flush query cache; +reset query cache; +flush status; +select sql_cache * from t1; +select sql_cache * from t1 where s1=1; +call f1(); +call f2(); +call f3(); +call f4(); +call f4(); +call f3(); +call f2(); +select sql_cache * from t1 where s1=1; +insert into t1 values (2); +call f1(); +select sql_cache * from t1 where s1=1; +select sql_cache * from t1; +call f1(); +call f3(); +call f3(); +call f1(); + +drop procedure f1; +drop procedure f2; +drop procedure f3; +drop procedure f4; +drop table t1; +set GLOBAL query_cache_size=0; + +--echo End of 4.1 tests + +# +# Bug #10303: problem with last_query_cost +# + +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; +select * from t1 where a > 3; +show status like 'last_query_cost'; +drop table t1; +SET GLOBAL query_cache_size=0; + +# +# Bug #20045: Server crash on INSERT ... SELECT ... FROM non-mergeable view +# +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; +show status like 'Qcache_hits'; +select * from t1; +show status like 'Qcache_hits'; +create table t2 like t1; +select * from t1; +show status like 'Qcache_hits'; +insert into t2 select * from t1; +select * from t1; +show status like 'Qcache_hits'; +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; + + +# +# If running with --ps-protocol: +# see if a query from the text protocol is served with results cached +# from a query which used the binary (which would be wrong, results +# are in different formats); if that happens, the results will +# be incorrect and the test will fail. +# + +create table t1(c1 int); +insert into t1 values(1),(10),(100); +select * from t1; +-- disable_ps_protocol +select * from t1; +select * from t1; +-- enable_ps_protocol +select * from t1; +drop table t1; + +set global query_cache_size=0; + +# +# Query cache and changes to system variables +# + +create table t1 (a int); +insert into t1 values (1),(2),(3); +set GLOBAL query_cache_type=1; +set GLOBAL query_cache_limit=10240; +set GLOBAL query_cache_min_res_unit=0; +set GLOBAL query_cache_size= 102400; + +# default_week_format +reset query cache; +set LOCAL default_week_format = 0; +select week('2007-01-04'); +select week('2007-01-04') from t1; +select extract(WEEK FROM '2007-01-04') from t1; + +set LOCAL default_week_format = 2; +select week('2007-01-04'); +select week('2007-01-04') from t1; +select extract(WEEK FROM '2007-01-04') from t1; + +# div_precision_increment +reset query cache; +set LOCAL div_precision_increment=2; +select 1/7; +select 1/7 from t1; + +set LOCAL div_precision_increment=4; +select 1/7; +select 1/7 from t1; + +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; + +# swap +/- +set GLOBAL ft_boolean_syntax='- +><()~*:""&|'; + +select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1; + +# If in the future we need to cache queries with functions +# be sure not to cause dead lock if the query cache is flushed +# while inserting a query in the query cache. +delimiter |; +create function change_global() returns integer deterministic +begin + set global ft_boolean_syntax='+ -><()~*:""&|'; + return 1; +end| +delimiter ;| +select *, change_global() from t1; +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; + + +# +# Bug#28897 UUID() returns non-unique values when query cache is enabled +# + +set GLOBAL query_cache_size=1024000; + +create table t1 (a char); +insert into t1 values ('c'); + +let $q1= `select UUID(), a from t1`; +let $q2= `select UUID(), a from t1`; + +# disabling the logging of the query because the UUIDs are different each run. +--disable_query_log +eval select a from t1 where "$q1" = "$q2"; +--enable_query_log + +drop table t1; + +set GLOBAL query_cache_size= default; + +# +# Bug #29053 SQL_CACHE in UNION causes non-deterministic functions to be cached +# + +# This syntax is no longer allowed, therefore the test case has been commented +# out. +# See test for Bug#35020 below. +#set GLOBAL query_cache_size=1000000; +# +#create table t1 (a char); +#insert into t1 values ('c'); +# +#let $q1= `select RAND() from t1 union select sql_cache 1 from t1;`; +#let $q2= `select RAND() from t1 union select sql_cache 1 from t1;`; +# +# disabling the logging of the query because the times are different each run. +#--disable_query_log +#eval select a from t1 where "$q1" = "$q2"; +#--enable_query_log +# +#drop table t1; +# +#set GLOBAL query_cache_size= default; + +# +# Bug#29856: Insufficient buffer space led to a server crash. +# +SET GLOBAL query_cache_size=64*1024*1024; +CREATE TABLE t1 (id INT); +DELIMITER |; +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 | +DELIMITER ;| +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, 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+1806,1807,1808,1809,1810,1811'); +DROP PROCEDURE proc29856; +DROP TABLE t1; +SET GLOBAL query_cache_size= default; + +# +--echo # +--echo # Bug#25132 disabled query cache: Qcache_free_blocks = 1 +--echo # +set global query_cache_size=102400; +set global query_cache_size=0; +set global query_cache_type=0; +show status like 'Qcache_free_blocks'; +set global query_cache_size=102400; +show status like 'Qcache_free_blocks'; +set global query_cache_type=on; +set session query_cache_type=on; + +--echo Restore default values. + --disable_warnings + drop database if exists db1; + drop database if exists db2; + --enable_warnings + set GLOBAL query_cache_size=15*1024*1024; + create database db1; + use db1; + create table t1(c1 int)engine=myisam; + insert into t1(c1) values (1); + select * from db1.t1 f; + show status like 'Qcache_queries_in_cache'; + + create database db2; + rename table db1.t1 to db2.t2; + drop database db1; + show status like 'Qcache_queries_in_cache'; + drop database db2; + set global query_cache_size=default; + + --disable_warnings + drop database if exists db1; + drop database if exists db3; + --enable_warnings + set GLOBAL query_cache_size=15*1024*1024; + create database db1; + create database db3; + use db1; + create table t1(c1 int) engine=myisam; + use db3; + create table t1(c1 int) engine=myisam; + use db1; + insert into t1(c1) values (1); + use test; + select * from db1.t1; + select c1+1 from db1.t1; + select * from db3.t1; + show status like 'Qcache_queries_in_cache'; + create database db2; + rename table db1.t1 to db2.t2; + drop database db1; + show status like 'Qcache_queries_in_cache'; + drop database db2; + drop database db3; + +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 local query_cache_type=default; +set GLOBAL query_cache_type=on; +set local query_cache_type=on; + +# +# Bug#33756 - query cache with concurrent_insert=0 appears broken +# +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'; +SHOW STATUS LIKE 'Qcache_hits'; +SELECT * FROM t1; +SELECT * FROM t1; +SHOW STATUS LIKE 'Qcache_hits'; +DROP TABLE t1; +SET GLOBAL concurrent_insert= @save_concurrent_insert; +SET GLOBAL query_cache_size= default; + +# +# Bug#36326: nested transaction and select +# + +--disable_warnings +DROP TABLE IF EXISTS t1; +--enable_warnings + +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'; +SELECT * FROM t1; +BEGIN; +SELECT * FROM t1; +COMMIT; +SHOW STATUS LIKE 'Qcache_queries_in_cache'; +SHOW STATUS LIKE "Qcache_hits"; +SELECT * FROM t1; +BEGIN; +SELECT * FROM t1; +COMMIT; +SHOW STATUS LIKE "Qcache_hits"; +DROP TABLE t1; +SET GLOBAL query_cache_size= default; + +# +# Bug#6760: Add SLEEP() function (feature request) +# +# Logics of original test: +# Reveal that a query with SLEEP does not need less time than estimated. +# +# Bug#12689: SLEEP() gets incorrectly cached/optimized-away +# +# Description from bug report (slightly modified) +# +# Bug 1 (happened all time): +# SELECT * FROM t1 WHERE SLEEP(1) will only result in a sleep of 1 +# second, regardless of the number of rows in t1. +# Bug 2 (happened all time): +# Such a query will also get cached by the query cache, but should not. +# +# Notes (mleich, 2008-05) +# ======================= +# +# Experiments around +# Bug#36345 Test 'func_misc' fails on RHAS3 x86_64 +# showed that the tests for both bugs could produce in case of parallel +# artificial system time (like via ntpd) +# - decreases false alarm +# - increases false success +# +# We try here to circumvent these issues by reimplementation of the tests +# and sophisticated scripting, although the cause of the problems is a massive +# error within the setup of the testing environment. +# Tests relying on or checking derivates of the system time must never meet +# parallel manipulations of system time. +# +# Results of experiments with/without manipulation of system time, +# information_schema.processlist content, high load on testing box +# ---------------------------------------------------------------- +# Definition: Predicted_cumulative_sleep_time = +# #_of_result_rows * sleep_time_per_result_row +# +# 1. Total (real sleep time) ~= predicted_cumulative_sleep_time !! +# 2. The state of a session within the PROCESSLIST changes to 'User sleep' +# if the sessions runs a statement containing the sleep function and the +# processing of the statement is just within the phase where the sleep +# is done. (*) +# 3. NOW() and processlist.time behave "synchronous" to system time and +# show also the "jumps" caused by system time manipulations. (*) +# 4. processlist.time is unsigned, the "next" value below 0 is ~ 4G (*) +# 5. Current processlist.time ~= current real sleep time if the system time +# was not manipulated. (*) +# 6. High system load can cause delays of <= 2 seconds. +# 7. Thanks to Davi for excellent hints and ideas. +# +# (*) +# - information_schema.processlist is not available before MySQL 5.1. +# - Observation of processlist content requires a +# - "worker" session sending the query with "send" and pulling results +# with "reap" +# - session observing the processlist parallel to the worker session +# "send" and "reap" do not work in case of an embedded server. +# Conclusion: Tests based on processlist have too many restrictions. +# +# Solutions for subtests based on TIMEDIFF of values filled via NOW() +# ------------------------------------------------------------------- +# Run the following sequence three times +# 1. SELECT <start_time> +# 2. Query with SLEEP +# 3. SELECT <end_time> +# If TIMEDIFF(<end_time>,<start_time>) is at least two times within a +# reasonable range assume that we did not met errors we were looking for. +# +# It is extreme unlikely that we have two system time changes within the +# < 30 seconds runtime. Even if the unlikely happens, there are so +# frequent runs of this test on this or another testing box which will +# catch the problem. +# + +--echo #------------------------------------------------------------------------ +--echo # Tests for Bug#6760 and Bug#12689 +# Number of rows within the intended result set. +SET @row_count = 4; +# Parameter within SLEEP function +SET @sleep_time_per_result_row = 1; +# Maximum acceptable delay caused by high load on testing box +SET @max_acceptable_delay = 2; +# TIMEDIFF = time for query with sleep (mostly the time caused by SLEEP) +# + time for delays caused by high load on testing box +# Ensure that at least a reasonable fraction of TIMEDIFF belongs to the SLEEP +# by appropriate setting of variables. +# Ensure that any "judging" has a base of minimum three attempts. +# (Test 2 uses all attempts except the first one.) +if (!` SELECT (@sleep_time_per_result_row * @row_count - @max_acceptable_delay > + @sleep_time_per_result_row) AND (@row_count - 1 >= 3)`) +{ + --echo # Have to abort because of error in plausibility check + --echo ###################################################### + --vertical_results + SELECT @sleep_time_per_result_row * @row_count - @max_acceptable_delay > + @sleep_time_per_result_row AS must_be_1, + @row_count - 1 >= 3 AS must_be_also_1, + @sleep_time_per_result_row, @row_count, @max_acceptable_delay; + exit; +} +SET @@global.query_cache_size = 1024 * 64; +--disable_warnings +DROP TEMPORARY TABLE IF EXISTS t_history; +DROP TABLE IF EXISTS t1; +--enable_warnings +CREATE TEMPORARY TABLE t_history (attempt SMALLINT, +start_ts DATETIME, end_ts DATETIME, +start_cached INTEGER, end_cached INTEGER); +CREATE TABLE t1 (f1 BIGINT); +let $num = `SELECT @row_count`; +--disable_query_log +begin; +while ($num) +{ + INSERT INTO t1 VALUES (1); + dec $num; +} +commit; +--enable_query_log + +let $loops = 4; +let $num = $loops; +while ($num) +{ + let $Qcache_queries_in_cache = + query_get_value(SHOW STATUS LIKE 'Qcache_queries_in_cache', Value, 1); + eval + INSERT INTO t_history + SET attempt = $loops - $num + 1, start_ts = NOW(), + start_cached = $Qcache_queries_in_cache; + SELECT *, SLEEP(@sleep_time_per_result_row) FROM t1; + # + # Do not determine Qcache_queries_in_cache before updating end_ts. The SHOW + # might cost too much time on an overloaded box. + eval + UPDATE t_history SET end_ts = NOW() + WHERE attempt = $loops - $num + 1; + let $Qcache_queries_in_cache = + query_get_value(SHOW STATUS LIKE 'Qcache_queries_in_cache', Value, 1); + eval + UPDATE t_history SET end_cached = $Qcache_queries_in_cache + WHERE attempt = $loops - $num + 1; + # DEBUG eval SELECT * FROM t_history WHERE attempt = $loops - $num + 1; + dec $num; +} + +# 1. The majority of queries with SLEEP must need a reasonable time +# -> SLEEP has an impact on runtime +# = Replacement for original Bug#6760 test +# -> total runtime is clear more needed than for one result row needed +# = Replacement for one of the original Bug#12689 tests +--echo # Test 1: Does the query with SLEEP need a reasonable time? +eval SELECT COUNT(*) >= $loops - 1 INTO @aux1 FROM t_history +WHERE TIMEDIFF(end_ts,start_ts) - @sleep_time_per_result_row * @row_count + BETWEEN 0 AND @max_acceptable_delay; +SELECT @aux1 AS "Expect 1"; +# +# 2. The majority of queries (the first one must be ignored) with SLEEP must +# need a reasonable time +# -> If we assume that the result of a cached query will be sent back +# immediate, without any sleep, than the query with SLEEP cannot be cached +# (current and intended behaviour for queries with SLEEP). +# -> It could be also not excluded that the query was cached but the server +# honoured somehow the SLEEP. Such a behaviour would be also acceptable. +# = Replacement for one of the original Bug#12689 tests +--echo # Test 2: Does the query with SLEEP need a reasonable time even in case +--echo # of the non first execution? +eval SELECT COUNT(*) >= $loops - 1 - 1 INTO @aux2 FROM t_history +WHERE TIMEDIFF(end_ts,start_ts) - @sleep_time_per_result_row * @row_count + BETWEEN 0 AND @max_acceptable_delay + AND attempt > 1; +SELECT @aux2 AS "Expect 1"; +# +# 3. The query with SLEEP should be not cached. +# -> SHOW STATUS Qcache_queries_in_cache must be not incremented after +# the execution of the query with SLEEP +--echo # Test 3: The query with SLEEP must be not cached. +eval SELECT COUNT(*) = $loops INTO @aux3 FROM t_history +WHERE end_cached = start_cached; +SELECT @aux3 AS "Expect 1"; +# +# Dump the content of t_history if one of the tests failed. +if (`SELECT @aux1 + @aux2 + @aux3 <> 3`) +{ + --echo # Some tests failed, dumping the content of t_history + SELECT * FROM t_history; +} +DROP TABLE t1; +DROP TEMPORARY TABLE t_history; +SET @@global.query_cache_size = default; + +--echo End of 5.0 tests + +# +# Bug #31157: Crash when select+order by the avg of some field within the +# group by +# +SET GLOBAL query_cache_size=1024*1024*512; +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())); +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); +DROP TABLE t1; +SET GLOBAL query_cache_size= default; + + +# +# Bug#35020: illegal sql_cache select syntax +# +CREATE TABLE t1( a INT ); + +--error ER_PARSE_ERROR +SET @v = ( SELECT SQL_CACHE 1 ); +--error ER_PARSE_ERROR +SET @v = ( SELECT SQL_NO_CACHE 1 ); + +# +# Keywords 'SQL_CACHE' and 'SQL_NO_CACHE' are allowed as column names. +# Hence the error messages are not intuitive. +# +--error ER_BAD_FIELD_ERROR +SELECT a FROM t1 WHERE a IN ( SELECT SQL_CACHE a FROM t1 ); +--error ER_BAD_FIELD_ERROR +SELECT a FROM t1 WHERE a IN ( SELECT SQL_NO_CACHE a FROM t1 ); +--error ER_BAD_FIELD_ERROR +SELECT ( SELECT SQL_CACHE a FROM t1 ); +--error ER_BAD_FIELD_ERROR +SELECT ( SELECT SQL_NO_CACHE a FROM t1 ); + +SELECT SQL_CACHE * FROM t1; +SELECT SQL_NO_CACHE * FROM t1; + +# SQL_CACHE is only allowed once in first top-level select. +--error ER_CANT_USE_OPTION_HERE +SELECT * FROM t1 UNION SELECT SQL_CACHE * FROM t1; +--error ER_CANT_USE_OPTION_HERE +SELECT * FROM t1 UNION SELECT SQL_NO_CACHE * FROM t1; +--error ER_BAD_FIELD_ERROR +SELECT * FROM t1 WHERE a IN (SELECT SQL_CACHE a FROM t1); +--error ER_BAD_FIELD_ERROR +SELECT * FROM t1 WHERE a IN (SELECT a FROM t1 UNION SELECT SQL_CACHE a FROM t1); + +--error ER_CANT_USE_OPTION_HERE +SELECT * FROM t1 UNION SELECT SQL_NO_CACHE * FROM t1; +--error ER_BAD_FIELD_ERROR +SELECT * FROM t1 WHERE a IN (SELECT SQL_NO_CACHE a FROM t1); +--error ER_BAD_FIELD_ERROR +SELECT * FROM t1 WHERE a IN + (SELECT a FROM t1 UNION SELECT SQL_NO_CACHE a FROM t1); +--error ER_WRONG_USAGE +SELECT SQL_CACHE SQL_NO_CACHE * FROM t1; +--error ER_WRONG_USAGE +SELECT SQL_NO_CACHE SQL_CACHE * FROM t1; +--error ER_CANT_USE_OPTION_HERE +SELECT SQL_CACHE * FROM t1 UNION SELECT SQL_CACHE * FROM t1; +--error ER_CANT_USE_OPTION_HERE +SELECT SQL_CACHE * FROM t1 UNION SELECT SQL_NO_CACHE * FROM t1; +--error ER_CANT_USE_OPTION_HERE +SELECT SQL_NO_CACHE * FROM t1 UNION SELECT SQL_CACHE * FROM t1; +--error ER_CANT_USE_OPTION_HERE +SELECT SQL_NO_CACHE * FROM t1 UNION SELECT SQL_NO_CACHE * FROM t1; +--error ER_BAD_FIELD_ERROR +SELECT SQL_CACHE * FROM t1 WHERE a IN + (SELECT SQL_NO_CACHE a FROM t1); +--error ER_BAD_FIELD_ERROR +SELECT SQL_CACHE * FROM t1 WHERE a IN + (SELECT a FROM t1 UNION SELECT SQL_NO_CACHE a FROM t1); + +DROP TABLE t1; + +--echo End of 5.1 tests + +--echo # +--echo # Bug#51336 Assert in reload_acl_and_cache during RESET QUERY CACHE +--echo # + +--disable_warnings +DROP TABLE IF EXISTS t1; +--enable_warnings + +CREATE TABLE t1(id INT); + +START TRANSACTION; +SELECT * FROM t1; +# This caused an assert +RESET QUERY CACHE; + +COMMIT; +DROP TABLE t1; +--echo New query cache switching OFF mechanism test +set global query_cache_size=1024*1024*20; +set global query_cache_type=on; +select @@query_cache_size, @@global.query_cache_type, @@local.query_cache_type; +set global query_cache_size=0; +select @@query_cache_size, @@global.query_cache_type, @@local.query_cache_type; +set global query_cache_size=1024*1024*20; +select @@query_cache_size, @@global.query_cache_type, @@local.query_cache_type; +set global query_cache_type=off; +select @@query_cache_size, @@global.query_cache_type, @@local.query_cache_type; +set global query_cache_type=on; +select @@query_cache_size, @@global.query_cache_type, @@local.query_cache_type; +set local query_cache_type= on; +select @@query_cache_size, @@global.query_cache_type, @@local.query_cache_type; + +--echo # +--echo # MDEV-4981: Account for queries handled by query-cache in +--echo # USER_STATISTICS (and in HOST_STATISTICS) +--echo # + +SET GLOBAL userstat=1; +set GLOBAL query_cache_size=1355776; +FLUSH USER_STATISTICS; +FLUSH CLIENT_STATISTICS; +reset query cache; +flush status; + +create table t1 (a int); +insert into t1 values (1); +select * from t1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; +select * from t1; +select * from t1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; + +drop table t1; +FLUSH USER_STATISTICS; +FLUSH CLIENT_STATISTICS; +flush status; + +create table t1 (a int); +select * from t1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; +select * from t1; +select * from t1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; + +FLUSH USER_STATISTICS; +FLUSH CLIENT_STATISTICS; +flush status; + +create procedure p1() + select * from t1; +call p1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; +call p1; +call p1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; + +FLUSH USER_STATISTICS; +FLUSH CLIENT_STATISTICS; +flush status; + +SET GLOBAL query_cache_size= 0; +call p1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; +call p1; +call p1; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.CLIENT_STATISTICS +where CLIENT="localhost"; +select SELECT_COMMANDS,ROWS_SENT,EMPTY_QUERIES from INFORMATION_SCHEMA.USER_STATISTICS +where USER="root"; +show status like "Qcache_hits"; +drop procedure p1; +drop table t1; +set GLOBAL query_cache_size=1355776; +SET GLOBAL userstat=default; + +--echo End of 5.5 tests + +--echo # +--echo # Bug#12977203: SERVER CRASH ON A DERIVED TABLE WITH QUERY CACHE ENABLED +--echo # +SET @qc= @@query_cache_size; +SET GLOBAL query_cache_size=1355776; +CREATE TABLE t1 (f1 blob); +SELECT COUNT(*) FROM (SELECT * FROM t1 ) tt; +DROP TABLE t1; +SET GLOBAL query_cache_size= @qc; + +--echo # +--echo # MDEV-617 LP:671189 - Query cache is not used for tables or +--echo # databases with dots in their names +--echo # +CREATE DATABASE `foo.bar`; +use `foo.bar`; +flush status; +CREATE TABLE moocow (a int); +INSERT INTO moocow VALUES (1), (2), (3); +SHOW STATUS LIKE 'Qcache_inserts'; +SELECT * FROM moocow; +SHOW STATUS LIKE 'Qcache_inserts'; +SHOW STATUS LIKE 'Qcache_hits'; +SELECT * FROM moocow; +SHOW STATUS LIKE 'Qcache_hits'; +use test; +drop database `foo.bar`; + +--echo End of 10.0 tests + +--echo # +--echo # MDEV-10766 Queries which start with WITH clause do not get +--echo # inserted into query cache +--echo # +flush status; +show status like "Qcache_inserts"; +create table t1 (i int); +with cte as (select * from t1) select * from cte; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +with cte as (select * from t1) select * from cte; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +drop table t1; + +--echo # +--echo # MDEV-15328: MariaDB 10.2.13 Crashes upon CALL PROCEDURE PARAM +--echo # LAST_INSERT_ID () +--echo # (part 2, part 1 is in sp.test) +--echo # + +create table t1 (a int); +insert into t1 values (1); +CREATE FUNCTION foo (i INT UNSIGNED ) RETURNS int deterministic RETURN 1; +show status like "Qcache_queries_in_cache"; +SELECT foo( LAST_INSERT_ID() ) from t1; +show status like "Qcache_queries_in_cache"; +DROP FUNCTION foo; +drop table t1; + +--echo restore defaults +SET GLOBAL query_cache_type= default; +SET GLOBAL query_cache_size= default; +SET LOCAL query_cache_type= default; |