-- source include/have_query_cache.inc
-- source include/not_embedded.inc

# Save the initial number of concurrent sessions
--source include/count_sessions.inc

#
# Tests with query cache
#
set @sql_mode_save=@@global.sql_mode;
set @query_cache_type_save=@@global.query_cache_type;
set @query_cache_size_save=@@global.query_cache_size;

set GLOBAL sql_mode="";
set LOCAL sql_mode="";

# 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, t11, t21;
--enable_warnings
#
# 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;

#
# do not use QC if tables locked (Bug#12385)
#
connect (root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
connection root;
CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY AUTO_INCREMENT ) ENGINE =
MyISAM;
LOCK TABLE t1 READ LOCAL;
connect (root2,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
connection root2;
INSERT INTO t1 VALUES (), (), ();
connection root;
SELECT * FROM t1;
connection root2;
SELECT * FROM t1;
connection root;
SELECT * FROM t1;
UNLOCK TABLES;
drop table t1;
connection default;
disconnect root;
disconnect root2;

#
# 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();
--replace_result 1 3
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
call f1();
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
call f1();
select sql_cache * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
insert into t1 values (1);
select sql_cache * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
call f1();
call f1();
select sql_cache * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
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;

#
# Bug#14767 INSERT in SF + concurrent SELECT with query cache
#
connection default;
SET @old_log_bin_trust_function_creators= @@global.log_bin_trust_function_creators;
SET GLOBAL log_bin_trust_function_creators = 1;

reset query cache;
--disable_warnings
drop function if exists f1;
--enable_warnings
create table t1 (id int);
delimiter |;
create function f1 ()
  returns int
begin
  declare i_var int;
  set i_var = sleep(3);
  insert into t1 values(3);
  set i_var = sleep(3);
  return 0;
end;|
delimiter ;|

connect (con1,localhost,root,,);
connect (con2,localhost,root,,);

connection con1;
send select f1();
connection con2;
select sleep(4);
select * from t1;
connection con1;
reap;
connection con2;
# This gives wrong result i.e. 't' table seems to be empty
select * from t1;
reset query cache;
select * from t1;
drop table t1;
drop function f1;
disconnect con1;
disconnect con2;
connection default;

set GLOBAL query_cache_size=0;

# End of 5.0 tests

SET @@global.log_bin_trust_function_creators = @old_log_bin_trust_function_creators;

#
# Bug #30269 Query cache eats memory
#
--disable_warnings
DROP DATABASE IF EXISTS bug30269;
--enable_warnings
FLUSH STATUS;
CREATE DATABASE bug30269;
USE bug30269;
CREATE TABLE test1 (id int, name varchar(23));
CREATE VIEW view1 AS SELECT * FROM test1;
INSERT INTO test1 VALUES (5, 'testit');
GRANT SELECT (id) ON TABLE bug30269.test1 TO 'bug30269'@'localhost';
GRANT SELECT ON TABLE bug30269.view1 TO 'bug30269'@'localhost';
set global query_cache_size= 81920;
connect (bug30269, localhost, bug30269,,);
connection bug30269;
USE bug30269;
show status like 'Qcache_queries_in_cache';
--echo # Select statement not stored in query cache because of column privileges.
SELECT id FROM test1 WHERE id>2;
show status like 'Qcache_queries_in_cache';
SELECT id FROM view1 WHERE id>2;
show status like 'Qcache_queries_in_cache';

connection default;
USE test;
DROP DATABASE bug30269;
disconnect bug30269;
DROP USER 'bug30269'@'localhost';

set GLOBAL query_cache_type=ON;
set LOCAL query_cache_type=ON;
set GLOBAL query_cache_size=@query_cache_size_save;

#
# Bug#3583 query cache doesn't work for stored procedures
#
delimiter |;
--disable_warnings
drop table if exists t1|
--enable_warnings
create table t1 (
    id   char(16) not null default '',
    data int not null
)|
--disable_warnings
drop procedure if exists bug3583|
--enable_warnings
--disable_warnings
drop procedure if exists bug3583|
--enable_warnings
create procedure bug3583()
begin
  declare c int;

  select * from t1;
  select count(*) into c from t1;
  select c;
end|

insert into t1 values ("x", 3), ("y", 5)|
set @x = @@query_cache_size|
set global query_cache_size = 10*1024*1024|

flush status|
flush query cache|
show status like 'Qcache_hits'|
call bug3583()|
show status like 'Qcache_hits'|
call bug3583()|
call bug3583()|
show status like 'Qcache_hits'|

set global query_cache_size = @x|
flush status|
flush query cache|
delete from t1|
drop procedure bug3583|
drop table t1|
delimiter ;|

# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc
SET GLOBAL query_cache_size=@query_cache_size_save;
SET GLOBAL query_cache_type=@query_cache_type_save;
set GLOBAL sql_mode=@sql_mode_save;