# # test basic creation of temporary tables together with normal table # create table t1 (a int); create temporary table t1 AS SELECT 1; create temporary table t1 AS SELECT 1; ERROR 42S01: Table 't1' already exists create temporary table t1 (a int); ERROR 42S01: Table 't1' already exists drop temporary table t1; drop table t1; create temporary table t1 AS SELECT 1; create temporary table t1 AS SELECT 1; ERROR 42S01: Table 't1' already exists create temporary table t1 (a int); ERROR 42S01: Table 't1' already exists drop temporary table t1; # # Test with rename # CREATE TABLE t1 (c int not null, d char (10) not null); insert into t1 values(1,""),(2,"a"),(3,"b"); CREATE TEMPORARY TABLE t1 (a int not null, b char (10) not null); insert into t1 values(4,"e"),(5,"f"),(6,"g"); alter table t1 rename t2; select * from t1; c d 1 2 a 3 b select * from t2; a b 4 e 5 f 6 g CREATE TABLE t2 (x int not null, y int not null); alter table t2 rename t1; select * from t1; a b 4 e 5 f 6 g create TEMPORARY TABLE t2 engine=heap select * from t1; create TEMPORARY TABLE IF NOT EXISTS t2 (a int) engine=heap; Warnings: Note 1050 Table 't2' already exists CREATE TEMPORARY TABLE t1 (a int not null, b char (10) not null); ERROR 42S01: Table 't1' already exists ALTER TABLE t1 RENAME t2; ERROR 42S01: Table 't2' already exists select * from t2; a b 4 e 5 f 6 g alter table t2 add primary key (a,b); drop table t1,t2; select * from t1; c d 1 2 a 3 b drop table t2; create temporary table t1 select *,2 as "e" from t1; select * from t1; c d e 1 2 2 a 2 3 b 2 drop table t1; drop table t1; CREATE TABLE t1 (pkCrash INTEGER PRIMARY KEY,strCrash VARCHAR(255)); INSERT INTO t1 ( pkCrash, strCrash ) VALUES ( 1, '1'); SELECT CONCAT_WS(pkCrash, strCrash) FROM t1; CONCAT_WS(pkCrash, strCrash) 1 drop table t1; create temporary table t1 select 1 as 'x'; drop table t1; CREATE TABLE t1 (x INT); INSERT INTO t1 VALUES (1), (2), (3); CREATE TEMPORARY TABLE tmp SELECT *, NULL FROM t1; drop table t1; create temporary table t1 (id int(10) not null unique); create temporary table t2 (id int(10) not null primary key, val int(10) not null); insert into t1 values (1),(2),(4); insert into t2 values (1,1),(2,1),(3,1),(4,2); select one.id, two.val, elt(two.val,'one','two') from t1 one, t2 two where two.id=one.id order by one.id; id val elt(two.val,'one','two') 1 1 one 2 1 one 4 2 two drop table t1,t2; create temporary table t1 (a int not null); insert into t1 values (1),(1); alter table t1 add primary key (a); ERROR 23000: Duplicate entry '1' for key 'PRIMARY' drop table t1; CREATE TABLE t1 ( d datetime default NULL ) ENGINE=MyISAM; INSERT INTO t1 VALUES ('2002-10-24 14:50:32'),('2002-10-24 14:50:33'),('2002-10-24 14:50:34'),('2002-10-24 14:50:34'),('2002-10-24 14:50:34'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:38'),('2002-10-24 14:50:38'),('2002-10-24 14:50:38'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:40'),('2002-10-24 14:50:40'),('2002-10-24 14:50:40'); flush status; select * from t1 group by d; d 2002-10-24 14:50:32 2002-10-24 14:50:33 2002-10-24 14:50:34 2002-10-24 14:50:35 2002-10-24 14:50:36 2002-10-24 14:50:37 2002-10-24 14:50:38 2002-10-24 14:50:39 2002-10-24 14:50:40 show status like "created_tmp%tables"; Variable_name Value Created_tmp_disk_tables 0 Created_tmp_tables 1 drop table t1; create temporary table v1 as select 'This is temp. table' A; create view v1 as select 'This is view' A; select * from v1; A This is temp. table show create table v1; Table Create Table v1 CREATE TEMPORARY TABLE `v1` ( `A` varchar(19) NOT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci show create view v1; View Create View character_set_client collation_connection v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 'This is view' AS `A` latin1 latin1_swedish_ci drop view v1; select * from v1; A This is temp. table create view v1 as select 'This is view again' A; select * from v1; A This is temp. table drop table v1; select * from v1; A This is view again drop view v1; create table t1 (a int, b int, index(a), index(b)); create table t2 (c int auto_increment, d varchar(255), primary key (c)); insert into t1 values (3,1),(3,2); insert into t2 values (NULL, 'foo'), (NULL, 'bar'); select d, c from t1 left join t2 on b = c where a = 3 order by d; d c bar 2 foo 1 drop table t1, t2; DROP TABLE IF EXISTS t1; CREATE TABLE t1 (i INT); LOCK TABLE t1 WRITE; connect conn1, localhost, root,,; CREATE TEMPORARY TABLE t1 (i INT); The following command should not block DROP TEMPORARY TABLE t1; disconnect conn1; connection default; DROP TABLE t1; CREATE TABLE t1 (i INT); CREATE TEMPORARY TABLE t2 (i INT); DROP TEMPORARY TABLE t2, t1; ERROR 42S02: Unknown table 'test.t1' SELECT * FROM t2; ERROR 42S02: Table 'test.t2' doesn't exist SELECT * FROM t1; i DROP TABLE t1; End of 4.1 tests. CREATE TABLE t1 ( c FLOAT( 20, 14 ) ); INSERT INTO t1 VALUES( 12139 ); CREATE TABLE t2 ( c FLOAT(30,18) ); INSERT INTO t2 VALUES( 123456 ); SELECT AVG( c ) FROM t1 UNION SELECT 1; AVG( c ) 12139.000000000000000000 1.000000000000000000 SELECT 1 UNION SELECT AVG( c ) FROM t1; 1 1.000000000000000000 12139.000000000000000000 SELECT 1 UNION SELECT * FROM t2 UNION SELECT 1; 1 1.000000000000000000 123456.000000000000000000 SELECT c/1 FROM t1 UNION SELECT 1; c/1 12139.000000000000000000 1.000000000000000000 DROP TABLE t1, t2; create temporary table t1 (a int); insert into t1 values (4711); select * from t1; a 4711 truncate t1; insert into t1 values (42); select * from t1; a 42 drop table t1; CREATE TEMPORARY TABLE t1(a INT, b VARCHAR(20)); INSERT INTO t1 VALUES(1, 'val1'), (2, 'val2'), (3, 'val3'); DELETE FROM t1 WHERE a=1; SELECT count(*) FROM t1; count(*) 2 DELETE FROM t1; SELECT * FROM t1; a b DROP TABLE t1; DROP TABLE IF EXISTS t1,t2; DROP FUNCTION IF EXISTS f1; CREATE TEMPORARY TABLE t1 (a INT); CREATE TEMPORARY TABLE t2 LIKE t1; CREATE FUNCTION f1() RETURNS INT BEGIN return 1; END| INSERT INTO t2 SELECT * FROM t1; INSERT INTO t1 SELECT f1(); CREATE TABLE t3 SELECT * FROM t1; INSERT INTO t1 SELECT f1(); UPDATE t1,t2 SET t1.a = t2.a; INSERT INTO t2 SELECT f1(); DROP TABLE t1,t2,t3; DROP FUNCTION f1; # # Bug #48067: A temp table with the same name as an existing table, # makes drop database fail. # DROP TEMPORARY TABLE IF EXISTS bug48067.t1; DROP DATABASE IF EXISTS bug48067; CREATE DATABASE bug48067; CREATE TABLE bug48067.t1 (c1 int); INSERT INTO bug48067.t1 values (1); CREATE TEMPORARY TABLE bug48067.t1 (c1 int); DROP DATABASE bug48067; DROP TEMPORARY table bug48067.t1; End of 5.1 tests # # Test that admin statements work for temporary tables. # DROP TABLE IF EXISTS t1,t2; CREATE TEMPORARY TABLE t1(a INT); CREATE TEMPORARY TABLE t2(b INT); CREATE TEMPORARY TABLE t3(c INT); INSERT INTO t1 VALUES (1), (2), (3); INSERT INTO t2 VALUES (11), (12), (13); INSERT INTO t3 VALUES (101), (102), (103); ANALYZE TABLE t1, t2, t3; Table Op Msg_type Msg_text test.t1 analyze status OK test.t2 analyze status OK test.t3 analyze status OK INSERT INTO t1 VALUES (1), (2), (3); INSERT INTO t2 VALUES (11), (12), (13); INSERT INTO t3 VALUES (101), (102), (103); CHECK TABLE t1, t2, t3; Table Op Msg_type Msg_text test.t1 check status OK test.t2 check status OK test.t3 check status OK INSERT INTO t1 VALUES (1), (2), (3); INSERT INTO t2 VALUES (11), (12), (13); INSERT INTO t3 VALUES (101), (102), (103); CHECKSUM TABLE t1, t2, t3; Table Checksum test.t1 xxx test.t2 xxx test.t3 xxx INSERT INTO t1 VALUES (1), (2), (3); INSERT INTO t2 VALUES (11), (12), (13); INSERT INTO t3 VALUES (101), (102), (103); OPTIMIZE TABLE t1, t2, t3; Table Op Msg_type Msg_text test.t1 optimize status OK test.t2 optimize status OK test.t3 optimize status OK INSERT INTO t1 VALUES (1), (2), (3); INSERT INTO t2 VALUES (11), (12), (13); INSERT INTO t3 VALUES (101), (102), (103); REPAIR TABLE t1, t2, t3; Table Op Msg_type Msg_text test.t1 repair status OK test.t2 repair status OK test.t3 repair status OK DROP TABLES t1, t2, t3; CREATE TEMPORARY TABLE t1 (a int); RENAME TABLE t1 TO t2; DROP TABLE t2; create temporary temporary table t1 (a int); ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'temporary table t1 (a int)' at line 1 flush status; create table t1 (a int); create temporary table t2 (a int); create temporary table t3 (a int); drop table t1; drop table t2; drop temporary table t3; show status like 'com_create%table'; Variable_name Value Com_create_table 1 Com_create_temporary_table 2 show status like 'com_drop%table'; Variable_name Value Com_drop_table 2 Com_drop_temporary_table 1 # # Some more generic temporary table tests # added during MDEV-5535. # DROP DATABASE IF EXISTS temp_db; CREATE DATABASE temp_db; USE temp_db; # # SHOW TABLES do not list temporary tables. # CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB; INSERT INTO temp_t1 VALUES(1); SELECT * FROM temp_t1; i 1 SHOW TABLES; Tables_in_temp_db DROP TABLE temp_t1; # # Create and drop a temporary table. # CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB; INSERT INTO temp_t1 VALUES(1); SELECT * FROM temp_t1; i 1 DROP TABLE temp_t1; SELECT * FROM temp_t1; ERROR 42S02: Table 'temp_db.temp_t1' doesn't exist # # Create a temporary table and base table with same name and DROP TABLE. # CREATE TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB; INSERT INTO t1 VALUES("BASE TABLE"); CREATE TEMPORARY TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB; INSERT INTO t1 VALUES("TEMPORARY TABLE"); SELECT * FROM t1; c1 TEMPORARY TABLE DROP TABLE t1; SELECT * FROM t1; c1 BASE TABLE DROP TABLE t1; SELECT * FROM t1; ERROR 42S02: Table 'temp_db.t1' doesn't exist # # Create a temporary table and base table with same name and DROP TEMPORARY # TABLE. # CREATE TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB; INSERT INTO t1 VALUES("BASE TABLE"); CREATE TEMPORARY TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB; INSERT INTO t1 VALUES("TEMPORARY TABLE"); SELECT * FROM t1; c1 TEMPORARY TABLE DROP TEMPORARY TABLE t1; SELECT * FROM t1; c1 BASE TABLE DROP TEMPORARY TABLE t1; ERROR 42S02: Unknown table 'temp_db.t1' SELECT * FROM t1; c1 BASE TABLE DROP TABLE t1; # # Create a temporary table and drop its parent database. # USE temp_db; CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB; INSERT INTO temp_t1 VALUES (1); DROP DATABASE temp_db; CREATE DATABASE temp_db; USE temp_db; DROP TEMPORARY TABLE temp_t1; # # Similar to above, but this time with a base table with same name. # USE temp_db; CREATE TABLE t1(i INT)ENGINE=INNODB; CREATE TEMPORARY TABLE t1(i INT) ENGINE=INNODB; INSERT INTO t1 VALUES (1); DROP DATABASE temp_db; CREATE DATABASE temp_db; USE temp_db; DROP TEMPORARY TABLE t1; DROP TABLE t1; ERROR 42S02: Unknown table 'temp_db.t1' # # Create a temporary table within a function. # USE temp_db; CREATE FUNCTION f1() RETURNS INT BEGIN DROP TEMPORARY TABLE IF EXISTS temp_t1; CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB; INSERT INTO `temp_t1` VALUES(1); RETURN (SELECT COUNT(*) FROM temp_t1); END| SELECT f1(); f1() 1 SELECT * FROM temp_t1; i 1 DROP TABLE temp_t1; CREATE TEMPORARY TABLE `temp_t1`(i INT) ENGINE=INNODB; SELECT f1(); f1() 1 SELECT * FROM temp_t1; i 1 DROP FUNCTION f1; # # Create and drop a temporary table within a function. # CREATE FUNCTION f2() RETURNS INT BEGIN DROP TEMPORARY TABLE IF EXISTS temp_t1; CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB; INSERT INTO temp_t1 VALUES(1); DROP TABLE temp_t1; RETURN 0; END| ERROR HY000: Explicit or implicit commit is not allowed in stored function or trigger CREATE FUNCTION f2() RETURNS INT BEGIN DROP TEMPORARY TABLE IF EXISTS temp_t1; CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB; INSERT INTO temp_t1 VALUES(1); DROP TEMPORARY TABLE temp_t1; RETURN 0; END| SELECT f2(); f2() 0 DROP FUNCTION f2; # # Create a temporary table within a function and select it from another # function. # CREATE FUNCTION f2() RETURNS INT BEGIN DROP TEMPORARY TABLE IF EXISTS temp_t1; CREATE TEMPORARY TABLE temp_t1 (i INT) ENGINE=INNODB; INSERT INTO temp_t1 VALUES (1); RETURN f2_1(); END| CREATE FUNCTION f2_1() RETURNS INT RETURN (SELECT COUNT(*) FROM temp_t1)| SELECT f2(); f2() 1 DROP TEMPORARY TABLE temp_t1; DROP FUNCTION f2; # # Create temporary table like base table. # CREATE TABLE t1(i INT) ENGINE=INNODB; INSERT INTO t1 VALUES(1); CREATE TEMPORARY TABLE temp_t1 LIKE t1; SELECT * FROM temp_t1; i CREATE TEMPORARY TABLE t1 LIKE t1; ERROR 42000: Not unique table/alias: 't1' DROP TABLE temp_t1, t1; # # Create temporary table as base table. # CREATE TABLE t1(i INT) ENGINE=INNODB; INSERT INTO t1 VALUES(1); CREATE TEMPORARY TABLE temp_t1 AS SELECT * FROM t1; SELECT * FROM temp_t1; i 1 DROP TABLE temp_t1, t1; # # ALTER TABLE RENAME & ENABLE/DISABLE KEYS (shortcuts) # CREATE TEMPORARY TABLE t1(i INT PRIMARY KEY) ENGINE=MYISAM; INSERT INTO t1 VALUES(1); SELECT COUNT(*)=1 FROM t1; COUNT(*)=1 1 ALTER TABLE t1 RENAME t2; SELECT COUNT(*)=1 FROM t2; COUNT(*)=1 1 ALTER TABLE t2 RENAME t1; ALTER TABLE t1 DISABLE KEYS; ALTER TABLE t1 ENABLE KEYS; LOCK TABLES t1 WRITE; ALTER TABLE t1 RENAME t2; SELECT COUNT(*)=1 FROM t2; COUNT(*)=1 1 ALTER TABLE t2 RENAME t1; ALTER TABLE t1 DISABLE KEYS; ALTER TABLE t1 ENABLE KEYS; UNLOCK TABLES; LOCK TABLES t1 READ; ALTER TABLE t1 RENAME t2; SELECT COUNT(*)=1 FROM t2; COUNT(*)=1 1 ALTER TABLE t2 RENAME t1; ALTER TABLE t1 DISABLE KEYS; ALTER TABLE t1 ENABLE KEYS; UNLOCK TABLES; FLUSH TABLES WITH READ LOCK; ALTER TABLE t1 RENAME t2; SELECT COUNT(*)=1 FROM t2; COUNT(*)=1 1 ALTER TABLE t2 RENAME t1; ALTER TABLE t1 DISABLE KEYS; ALTER TABLE t1 ENABLE KEYS; UNLOCK TABLES; ALTER TABLE t1 RENAME t2, LOCK SHARED; ALTER TABLE t2 RENAME t1, LOCK EXCLUSIVE; DROP TABLE t1; # # MDEV-10792: Assertion `thd->mdl_context.is_lock_owner # (MDL_key::TABLE, table->db, table->table_name, MDL_SHARED)' # failed in mysql_rm_table_no_locks # CREATE TEMPORARY TABLE t1 (i INT); DROP TABLE nonexisting_table, t1; ERROR 42S02: Unknown table 'temp_db.nonexisting_table' # Cleanup DROP DATABASE temp_db; USE test; # # MDEV-17167 - InnoDB: Failing assertion: table->get_ref_count() == 0 # upon truncating a temporary table # CREATE TEMPORARY TABLE t1(a INT) ENGINE=InnoDB; SELECT * FROM t1 AS t1a1, t1 AS t2a2; a a TRUNCATE TABLE t1; LOCK TABLES t1 WRITE; TRUNCATE TABLE t1; SELECT * FROM t1; a UNLOCK TABLES; LOCK TABLES t1 AS t1a1 WRITE, t1 AS t1a2 WRITE; TRUNCATE TABLE t1; SELECT * FROM t1 AS t1a1, t1 AS t1a2; a a UNLOCK TABLES; CREATE TABLE t2(a INT) ENGINE=InnoDB; LOCK TABLES t2 WRITE; TRUNCATE TABLE t1; UNLOCK TABLES; DROP TABLE t1, t2; # # MDEV-19449 1030: Got error 168 "Unknown (generic) error from engine" # for valid TRUNCATE (temporary) TABLE # CREATE TEMPORARY TABLE t1 (col1 BIGINT) ENGINE = InnoDB; INSERT INTO t1 (no_such_col) SELECT * FROM t1; ERROR 42S22: Unknown column 'no_such_col' in 'field list' TRUNCATE TABLE t1; ALTER TABLE t1 CHANGE no_such_col1 col1 BIGINT NULL; ERROR 42S22: Unknown column 'no_such_col1' in 't1' TRUNCATE TABLE t1; DROP TEMPORARY TABLE t1; # # MDEV-21695 Server crashes in TABLE::evaluate_update_default_function upon UPDATE on temporary table # SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30'); CREATE TEMPORARY TABLE t1 (a DATETIME ON UPDATE CURRENT_TIMESTAMP); ALTER TABLE t1 ADD b INT; INSERT INTO t1 (b) VALUES (1),(2); ALTER TABLE t1 CHANGE COLUMN x xx INT; ERROR 42S22: Unknown column 'x' in 't1' UPDATE t1 SET b = 3; SELECT * FROM t1; a b 2001-01-01 10:20:30 3 2001-01-01 10:20:30 3 DROP TEMPORARY TABLE t1; # # End of 10.2 tests # # # MDEV-31523: Using two temporary tables in OPTIMIZE TABLE lead to crash # CREATE TEMPORARY TABLE t1 (c INT) ENGINE=MyISAM; CREATE TEMPORARY TABLE t2 (c INT) ENGINE=MyISAM; optimize TABLE t1,t2; Table Op Msg_type Msg_text test.t1 optimize status Table is already up to date test.t2 optimize status Table is already up to date SHOW TABLES; Tables_in_test # in 11.2 and above here should be listed above used temporary tables DROP TEMPORARY TABLE t1, t2; # # End of 10.4 tests # create function f1() returns int begin drop temporary table t1, t2; return 1; end; $$ create temporary table t1 (a int); create temporary table t2 (a int); insert t1 values (2); insert t2 values (3); select a,f1() from t1; ERROR HY000: Can't reopen table: 't1' drop function f1; drop temporary table t1; drop temporary table t2; ERROR 42S02: Unknown table 'test.t2' # # End of 10.5 tests # # # Record that temporary table locks are always WRITE locks # CREATE TEMPORARY TABLE t1 (a INT); LOCK TABLE t1 READ; TRUNCATE TABLE t1; TRUNCATE TABLE t1; UNLOCK TABLES; DROP TABLE t1; # # End of 10.6 tests #