-- source include/have_query_cache.inc -- source include/long_test.inc set @save_query_cache_size=@@query_cache_size; # # 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, 577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,595, 596,597,598,599,600,601,602,603,604,605,606,607,608,609,610,611,612,613,614, 615,616,617,618,619,620,621,622,623,624,625,626,627,628,629,630,631,632,633, 634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651,652, 653,654,655,656,657,658,659,660,661,662,663,664,665,666,667,668,669,670,671, 672,673,674,675,676,677,678,679,680,681,682,683,684,685,686,687,688,689,690, 691,692,693,694,695,696,697,698,699,700,701,702,703,704,705,706,707,708,709, 710,711,712,713,714,715,716,717,718,719,720,721,722,723,724,725,726,727,728, 729,730,731,732,733,734,735,736,737,738,739,740,741,742,743,744,745,746,747, 748,749,750,751,752,753,754,755,756,757,758,759,760,761,762,763,764,765,766, 767,768,769,770,771,772,773,774,775,776,777,778,779,780,781,782,783,784,785, 786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804, 805,806,807,808,809,810,811,812,813,814,815,816,817,818,819,820,821,822,823, 824,825,826,827,828,829,830,831,832,833,834,835,836,837,838,839,840,841,842, 843,844,845,846,847,848,849,850,851,852,853,854,855,856,857,858,859,860,861, 862,863,864,865,866,867,868,869,870,871,872,873,874,875,876,877,878,879,880, 881,882,883,884,885,886,887,888,889,890,891,892,893,894,895,896,897,898,899, 900,901,902,903,904,905,906,907,908,909,910,911,912,913,914,915,916,917,918, 919,920,921,922,923,924,925,926,927,928,929,930,931,932,933,934,935,936,937, 938,939,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956, 957,958,959,960,961,962,963,964,965,966,967,968,969,970,971,972,973,974,975, 976,977,978,979,980,981,982,983,984,985,986,987,988,989,990,991,992,993,994, 995,996,997,998,999,1000,1001,1002,1003,1004,1005,1006,1007,1008,1009,1010, 1011,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,1023,1024,1025, 1026,1027,1028,1029,1030,1031,1032,1033,1034,1035,1036,1037,1038,1039,1040, 1041,1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055, 1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070, 1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085, 1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100, 1101,1102,1103,1104,1105,1106,1107,1108,1109,1110,1111,1112,1113,1114,1115, 1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126,1127,1128,1129,1130, 1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,1142,1143,1144,1145, 1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160, 1161,1162,1163,1164,1165,1166,1167,1168,1169,1170,1171,1172,1173,1174,1175, 1176,1177,1178,1179,1180,1181,1182,1183,1184,1185,1186,1187,1188,1189,1190, 1191,1192,1193,1194,1195,1196,1197,1198,1199,1200,1201,1202,1203,1204,1205, 1206,1207,1208,1209,1210,1211,1212,1213,1214,1215,1216,1217,1218,1219,1220, 1221,1222,1223,1224,1225,1226,1227,1228,1229,1230,1231,1232,1233,1234,1235, 1236,1237,1238,1239,1240,1241,1242,1243,1244,1245,1246,1247,1248,1249,1250, 1251,1252,1253,1254,1255,1256,1257,1258,1259,1260,1261,1262,1263,1264,1265, 1266,1267,1268,1269,1270,1271,1272,1273,1274,1275,1276,1277,1278,1279,1280, 1281,1282,1283,1284,1285,1286,1287,1288,1289,1290,1291,1292,1293,1294,1295, 1296,1297,1298,1299,1300,1301,1302,1303,1304,1305,1306,1307,1308,1309,1310, 1311,1312,1313,1314,1315,1316,1317,1318,1319,1320,1321,1322,1323,1324,1325, 1326,1327,1328,1329,1330,1331,1332,1333,1334,1335,1336,1337,1338,1339,1340, 1341,1342,1343,1344,1345,1346,1347,1348,1349,1350,1351,1352,1353,1354,1355, 1356,1357,1358,1359,1360,1361,1362,1363,1364,1365,1366,1367,1368,1369,1370, 1371,1372,1373,1374,1375,1376,1377,1378,1379,1380,1381,1382,1383,1384,1385, 1386,1387,1388,1389,1390,1391,1392,1393,1394,1395,1396,1397,1398,1399,1400, 1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415, 1416,1417,1418,1419,1420,1421,1422,1423,1424,1425,1426,1427,1428,1429,1430, 1431,1432,1433,1434,1435,1436,1437,1438,1439,1440,1441,1442,1443,1444,1445, 1446,1447,1448,1449,1450,1451,1452,1453,1454,1455,1456,1457,1458,1459,1460, 1461,1462,1463,1464,1465,1466,1467,1468,1469,1470,1471,1472,1473,1474,1475, 1476,1477,1478,1479,1480,1481,1482,1483,1484,1485,1486,1487,1488,1489,1490, 1491,1492,1493,1494,1495,1496,1497,1498,1499,1500,1501,1502,1503,1504,1505, 1506,1507,1508,1509,1510,1511,1512,1513,1514,1515,1516,1517,1518,1519,1520, 1521,1522,1523,1524,1525,1526,1527,1528,1529,1530,1531,1532,1533,1534,1535, 1536,1537,1538,1539,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550, 1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1564,1565, 1566,1567,1568,1569,1570,1571,1572,1573,1574,1575,1576,1577,1578,1579,1580, 1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595, 1596,1597,1598,1599,1600,1601,1602,1603,1604,1605,1606,1607,1608,1609,1610, 1611,1612,1613,1614,1615,1616,1617,1618,1619,1620,1621,1622,1623,1624,1625, 1626,1627,1628,1629,1630,1631,1632,1633,1634,1635,1636,1637,1638,1639,1640, 1641,1642,1643,1644,1645,1646,1647,1648,1649,1650,1651,1652,1653,1654,1655, 1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670, 1671,1672,1673,1674,1675,1676,1677,1678,1679,1680,1681,1682,1683,1684,1685, 1686,1687,1688,1689,1690,1691,1692,1693,1694,1695,1696,1697,1698,1699,1700, 1701,1702,1703,1704,1705,1706,1707,1708,1709,1710,1711,1712,1713,1714,1715, 1716,1717,1718,1719,1720,1721,1722,1723,1724,1725,1726,1727,1728,1729,1730, 1731,1732,1733,1734,1735,1736,1737,1738,1739,1740,1741,1742,1743,1744,1745, 1746,1747,1748,1749,1750,1751,1752,1753,1754,1755,1756,1757,1758,1759,1760, 1761,1762,1763,1764,1765,1766,1767,1768,1769,1770,1771,1772,1773,1774,1775, 1776,1777,1778,1779,1780,1781,1782,1783,1784,1785,1786,1787,1788,1789,1790, 1791,1792,1793,1794,1795,1796,1797,1798,1799,1800,1801,1802,1803,1804,1805, 1806,1807,1808,1809,1810,1811'); 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=@save_query_cache_size; --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=@save_query_cache_size; 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 # 2. Query with SLEEP # 3. SELECT # If TIMEDIFF(,) 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_CANT_USE_OPTION_HERE SET @v = ( SELECT SQL_CACHE 1 ); --error ER_CANT_USE_OPTION_HERE SET @v = ( SELECT SQL_NO_CACHE 1 ); # # Keywords 'SQL_CACHE' and 'SQL_NO_CACHE'. # --error ER_CANT_USE_OPTION_HERE SELECT a FROM t1 WHERE a IN ( SELECT SQL_CACHE a FROM t1 ); --error ER_CANT_USE_OPTION_HERE SELECT a FROM t1 WHERE a IN ( SELECT SQL_NO_CACHE a FROM t1 ); --error ER_CANT_USE_OPTION_HERE SELECT ( SELECT SQL_CACHE a FROM t1 ); --error ER_CANT_USE_OPTION_HERE 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_CANT_USE_OPTION_HERE SELECT * FROM t1 WHERE a IN (SELECT SQL_CACHE a FROM t1); --error ER_CANT_USE_OPTION_HERE 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_CANT_USE_OPTION_HERE SELECT * FROM t1 WHERE a IN (SELECT SQL_NO_CACHE a FROM t1); --error ER_CANT_USE_OPTION_HERE 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_CANT_USE_OPTION_HERE SELECT SQL_CACHE * FROM t1 WHERE a IN (SELECT SQL_NO_CACHE a FROM t1); --error ER_CANT_USE_OPTION_HERE 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 @save_userstat=@@global.userstat; 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=@save_userstat; --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=@save_query_cache_size;