drop table if exists t1,t2,t3,t11,t12; CREATE TABLE t1 (a tinyint(3), b tinyint(5)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t1 VALUES (1,1); INSERT LOW_PRIORITY INTO t1 VALUES (1,2); INSERT INTO t1 VALUES (1,3); DELETE from t1 where a=1 limit 1; DELETE LOW_PRIORITY from t1 where a=1; INSERT INTO t1 VALUES (1,1); DELETE from t1; LOCK TABLE t1 write; INSERT INTO t1 VALUES (1,2); DELETE from t1; UNLOCK TABLES; INSERT INTO t1 VALUES (1,2); SET AUTOCOMMIT=0; DELETE from t1; SET AUTOCOMMIT=1; drop table t1; create table t1 ( a bigint not null, b bigint not null default 0, c bigint not null default 0, d bigint not null default 0, e bigint not null default 0, f bigint not null default 0, g bigint not null default 0, h bigint not null default 0, i bigint not null default 0, j bigint not null default 0, primary key (a,b,c,d,e,f,g,h,i,j)); insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23); delete from t1 where a=26; drop table t1; create table t1 ( a bigint not null, b bigint not null default 0, c bigint not null default 0, d bigint not null default 0, e bigint not null default 0, f bigint not null default 0, g bigint not null default 0, h bigint not null default 0, i bigint not null default 0, j bigint not null default 0, primary key (a,b,c,d,e,f,g,h,i,j)); insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27); delete from t1 where a=27; drop table t1; CREATE TABLE `t1` ( `i` int(10) NOT NULL default '0', `i2` int(10) NOT NULL default '0', PRIMARY KEY (`i`) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. DELETE FROM t1 USING t1 WHERE post='1'; ERROR 42S22: Unknown column 'post' in 'where clause' drop table t1; CREATE TABLE t1 ( bool char(0) default NULL, not_null varchar(20) binary NOT NULL default '', misc integer not null, PRIMARY KEY (not_null) ) ; Warnings: Warning 1287 'BINARY as attribute of a type' is deprecated and will be removed in a future release. Please use a CHARACTER SET clause with _bin collation instead INSERT INTO t1 VALUES (NULL,'a',4), (NULL,'b',5), (NULL,'c',6), (NULL,'d',7); select * from t1 where misc > 5 and bool is null; bool not_null misc NULL c 6 NULL d 7 delete from t1 where misc > 5 and bool is null; select * from t1 where misc > 5 and bool is null; bool not_null misc select count(*) from t1; count(*) 2 delete from t1 where 1 > 2; select count(*) from t1; count(*) 2 delete from t1 where 3 > 2; select count(*) from t1; count(*) 0 drop table t1; create table t1 (a int not null auto_increment primary key, b char(32)); insert into t1 (b) values ('apple'), ('apple'); select * from t1; a b 1 apple 2 apple delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a; select * from t1; a b 1 apple drop table t1; create table t11 (a int NOT NULL, b int, primary key (a)); create table t12 (a int NOT NULL, b int, primary key (a)); create table t2 (a int NOT NULL, b int, primary key (a)); insert into t11 values (0, 10),(1, 11),(2, 12); insert into t12 values (33, 10),(0, 11),(2, 12); insert into t2 values (1, 21),(2, 12),(3, 23); select * from t11; a b 0 10 1 11 2 12 select * from t12; a b 0 11 2 12 33 10 select * from t2; a b 1 21 2 12 3 23 delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a); ERROR 21000: Subquery returns more than 1 row select * from t11; a b 0 10 1 11 2 12 select * from t12; a b 0 11 2 12 33 10 delete ignore t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a); Warnings: Warning 1242 Subquery returns more than 1 row Warning 1242 Subquery returns more than 1 row select * from t11; a b 0 10 1 11 select * from t12; a b 0 11 33 10 insert into t11 values (2, 12); delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a); ERROR 21000: Subquery returns more than 1 row select * from t11; a b 0 10 1 11 2 12 delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a); Warnings: Warning 1242 Subquery returns more than 1 row Warning 1242 Subquery returns more than 1 row select * from t11; a b 0 10 1 11 drop table t11, t12, t2; # sql_safe_updates mode with multi-table DELETE CREATE TABLE t1(a INTEGER PRIMARY KEY); INSERT INTO t1 VALUES(10),(20); CREATE TABLE t2(b INTEGER); INSERT INTO t2 VALUES(10),(20); SET SESSION sql_safe_updates=1; EXPLAIN DELETE t2 FROM t1 JOIN t2 WHERE t1.a = 10; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL const PRIMARY PRIMARY 4 const 1 100.00 Using index 1 DELETE t2 NULL ALL NULL NULL NULL NULL 2 100.00 NULL Warnings: Note 1003 delete `test`.`t2` from `test`.`t1` join `test`.`t2` where true DELETE t2 FROM t1 JOIN t2 WHERE t1.a = 10; ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. SET SESSION sql_safe_updates=default; DROP TABLE t1, t2; create table t1 (a int, b int, unique key (a), key (b)); insert into t1 values (3, 3), (7, 7); delete t1 from t1 where a = 3; check table t1; Table Op Msg_type Msg_text test.t1 check status OK select * from t1; a b 7 7 drop table t1; CREATE TABLE t1 ( a int PRIMARY KEY ); DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a; INSERT INTO t1 VALUES (0),(1),(2); DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1; SELECT * FROM t1; a 0 2 DROP TABLE t1; create table t1 (a int); delete `4.t1` from t1 as `4.t1` where `4.t1`.a = 5; delete FROM `4.t1` USING t1 as `4.t1` where `4.t1`.a = 5; drop table t1; create table t1(f1 int primary key); insert into t1 values (4),(3),(1),(2); delete from t1 where (@a:= f1) order by f1 limit 1; Warnings: Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'. select @a; @a 1 drop table t1; CREATE TABLE t1 ( `date` date , `time` time , `seq` int(10) unsigned NOT NULL auto_increment, PRIMARY KEY (`seq`), KEY `seq` (`seq`), KEY `time` (`time`), KEY `date` (`date`) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1; drop table t1; End of 4.1 tests CREATE TABLE t1 (a int not null,b int not null); CREATE TABLE t2 (a int not null, b int not null, primary key (a,b)); CREATE TABLE t3 (a int not null, b int not null, primary key (a,b)); insert into t1 values (1,1),(2,1),(1,3); insert into t2 values (1,1),(2,2),(3,3); insert into t3 values (1,1),(2,1),(1,3); select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b order by t1.a,t1.b; a b a b a b 1 1 1 1 1 1 1 3 1 1 1 3 2 1 2 2 2 1 analyze table t1; Table Op Msg_type Msg_text test.t1 analyze status OK analyze table t2; Table Op Msg_type Msg_text test.t2 analyze status OK analyze table t3; Table Op Msg_type Msg_text test.t3 analyze status OK explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE t2 NULL ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index 1 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 8 test.t2.b,test.t1.b 1 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b` from `test`.`t1` join `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`b` = `test`.`t1`.`b`) and (`test`.`t3`.`a` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t1`.`a`)) delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b; select * from t3; a b drop table t1,t2,t3; create table t1(a date not null); insert ignore into t1 values (0); Warnings: Warning 1264 Out of range value for column 'a' at row 1 select * from t1 where a is null; a 0000-00-00 delete from t1 where a is null; select count(*) from t1; count(*) 0 drop table t1; CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1); DELETE FROM t1 ORDER BY x; ERROR 42S22: Unknown column 'x' in 'order clause' DELETE FROM t1 ORDER BY t2.x; ERROR 42S22: Unknown column 't2.x' in 'order clause' DELETE FROM t1 ORDER BY (SELECT x); ERROR 42S22: Unknown column 'x' in 'field list' DROP TABLE t1; CREATE TABLE t1 ( a INT ); CREATE TABLE t2 ( a INT ); CREATE DATABASE db1; CREATE TABLE db1.t1 ( a INT ); INSERT INTO db1.t1 (a) SELECT * FROM t1; CREATE DATABASE db2; CREATE TABLE db2.t1 ( a INT ); INSERT INTO db2.t1 (a) SELECT * FROM t2; DELETE FROM t1 alias USING t1, t2 alias WHERE t1.a = alias.a; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'USING t1, t2 alias WHERE t1.a = alias.a' at line 1 DELETE FROM alias USING t1, t2 alias WHERE t1.a = alias.a; DELETE FROM t1, alias USING t1, t2 alias WHERE t1.a = alias.a; DELETE FROM t1, t2 USING t1, t2 alias WHERE t1.a = alias.a; ERROR 42S02: Unknown table 't2' in MULTI DELETE DELETE FROM db1.t1 alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a' at line 1 DELETE FROM alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a; DELETE FROM db2.alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a; ERROR 42S02: Unknown table 'alias' in MULTI DELETE DELETE FROM t1 USING t1 WHERE a = 1; SELECT * FROM t1; a DELETE FROM t1 alias USING t1 alias WHERE a = 2; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'USING t1 alias WHERE a = 2' at line 1 SELECT * FROM t1; a DROP TABLE t1, t2; DROP DATABASE db1; DROP DATABASE db2; CREATE FUNCTION f1() RETURNS INT RETURN 1; CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (0); DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1; ERROR 42000: Incorrect number of arguments for FUNCTION test.f1; expected 0, got 1 DROP TABLE t1; DROP FUNCTION f1; # # Bug #49552 : sql_buffer_result cause crash + not found records # in multitable delete/subquery # CREATE TABLE t1(a INT); INSERT INTO t1 VALUES (1),(2),(3); SET SESSION SQL_BUFFER_RESULT=1; DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1; SET SESSION SQL_BUFFER_RESULT=DEFAULT; SELECT * FROM t1; a DROP TABLE t1; End of 5.0 tests DROP DATABASE IF EXISTS db1; DROP DATABASE IF EXISTS db2; DROP DATABASE IF EXISTS db3; DROP DATABASE IF EXISTS db4; DROP TABLE IF EXISTS t1, t2; DROP PROCEDURE IF EXISTS count; USE test; CREATE DATABASE db1; CREATE DATABASE db2; CREATE TABLE db1.t1 (a INT, b INT); INSERT INTO db1.t1 VALUES (1,1),(2,2),(3,3); CREATE TABLE db1.t2 AS SELECT * FROM db1.t1; CREATE TABLE db2.t1 AS SELECT * FROM db1.t2; CREATE TABLE db2.t2 AS SELECT * FROM db2.t1; CREATE TABLE t1 AS SELECT * FROM db2.t2; CREATE TABLE t2 AS SELECT * FROM t1; CREATE PROCEDURE count_rows() BEGIN SELECT COUNT(*) AS "COUNT(db1.t1)" FROM db1.t1; SELECT COUNT(*) AS "COUNT(db1.t2)" FROM db1.t2; SELECT COUNT(*) AS "COUNT(db2.t1)" FROM db2.t1; SELECT COUNT(*) AS "COUNT(db2.t2)" FROM db2.t2; SELECT COUNT(*) AS "COUNT(test.t1)" FROM test.t1; SELECT COUNT(*) AS "COUNT(test.t2)" FROM test.t2; END| CREATE DATABASE db3; USE db3; DROP DATABASE db3; SELECT * FROM t1; ERROR 3D000: No database selected DELETE a1,a2 FROM db1.t1, db2.t2; ERROR 3D000: No database selected DELETE a1,a2 FROM db1.t1, db2.t2; ERROR 3D000: No database selected DELETE a1,a2 FROM db1.t1 AS a1, db2.t2; ERROR 3D000: No database selected DELETE a1,a2 FROM db1.t1, db2.t2 AS a2; ERROR 3D000: No database selected DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2; ERROR 3D000: No database selected DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2; ERROR 3D000: No database selected DELETE FROM a1,a2 USING db1.t1, db2.t2; ERROR 3D000: No database selected DELETE FROM a1,a2 USING db1.t1, db2.t2; ERROR 3D000: No database selected DELETE FROM a1,a2 USING db1.t1 AS a1, db2.t2; ERROR 3D000: No database selected DELETE FROM a1,a2 USING db1.t1, db2.t2 AS a2; ERROR 3D000: No database selected DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2; ERROR 3D000: No database selected DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2; ERROR 3D000: No database selected DELETE a1 FROM db1.t1 AS a1, db2.t2 AS a1; ERROR 3D000: No database selected DELETE a1 FROM db1.a1, db2.t2 AS a1; ERROR 3D000: No database selected DELETE a1 FROM a1, db1.t1 AS a1; ERROR 3D000: No database selected DELETE t1 FROM db1.t1, db2.t1 AS a1; ERROR 3D000: No database selected DELETE t1 FROM db1.t1 AS a1, db2.t1 AS a2; ERROR 3D000: No database selected DELETE t1 FROM db1.t1, db2.t1; ERROR 3D000: No database selected USE test; DELETE a1,a2 FROM db1.t1, db2.t2; ERROR 42S02: Unknown table 'a1' in MULTI DELETE DELETE a1,a2 FROM db1.t1, db2.t2; ERROR 42S02: Unknown table 'a1' in MULTI DELETE DELETE a1,a2 FROM db1.t1 AS a1, db2.t2; ERROR 42S02: Unknown table 'a2' in MULTI DELETE DELETE a1,a2 FROM db1.t1, db2.t2 AS a2; ERROR 42S02: Unknown table 'a1' in MULTI DELETE DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2; ERROR 42000: Unknown database 'db3' DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2; ERROR 42000: Unknown database 'db3' DELETE FROM a1,a2 USING db1.t1, db2.t2; ERROR 42S02: Unknown table 'a1' in MULTI DELETE DELETE FROM a1,a2 USING db1.t1, db2.t2; ERROR 42S02: Unknown table 'a1' in MULTI DELETE DELETE FROM a1,a2 USING db1.t1 AS a1, db2.t2; ERROR 42S02: Unknown table 'a2' in MULTI DELETE DELETE FROM a1,a2 USING db1.t1, db2.t2 AS a2; ERROR 42S02: Unknown table 'a1' in MULTI DELETE DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2; ERROR 42000: Unknown database 'db3' DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2; ERROR 42000: Unknown database 'db3' DELETE a1 FROM db1.t1 AS a1, db2.t2 AS a1; ERROR 42000: Not unique table/alias: 'a1' DELETE a1 FROM db1.a1, db2.t2 AS a1; ERROR 42S02: Table 'db1.a1' doesn't exist DELETE a1 FROM a1, db1.t1 AS a1; ERROR 42000: Not unique table/alias: 'a1' DELETE t1 FROM db1.t1, db2.t1 AS a1; ERROR 42S02: Unknown table 't1' in MULTI DELETE DELETE t1 FROM db1.t1 AS a1, db2.t1 AS a2; ERROR 42S02: Unknown table 't1' in MULTI DELETE DELETE t1 FROM db1.t1, db2.t1; ERROR 42S02: Unknown table 't1' in MULTI DELETE DELETE t1 FROM db1.t2 AS t1, db2.t2 AS t2 WHERE t2.a = 1 AND t1.a = t2.a; SELECT ROW_COUNT(); ROW_COUNT() 1 CALL count_rows(); COUNT(db1.t1) 3 COUNT(db1.t2) 2 COUNT(db2.t1) 3 COUNT(db2.t2) 3 COUNT(test.t1) 3 COUNT(test.t2) 3 DELETE a1, a2 FROM db2.t1 AS a1, t2 AS a2 WHERE a1.a = 2 AND a2.a = 2; SELECT ROW_COUNT(); ROW_COUNT() 2 CALL count_rows(); COUNT(db1.t1) 3 COUNT(db1.t2) 2 COUNT(db2.t1) 2 COUNT(db2.t2) 3 COUNT(test.t1) 3 COUNT(test.t2) 2 DROP DATABASE db1; DROP DATABASE db2; DROP PROCEDURE count_rows; DROP TABLE t1, t2; # # Bug#46958: Assertion in Diagnostics_area::set_ok_status, trigger, # merge table # CREATE TABLE t1 ( a INT ); CREATE TABLE t2 ( a INT ); CREATE TABLE t3 ( a INT ); INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (1), (2); INSERT INTO t3 VALUES (1), (2); CREATE TRIGGER tr1 BEFORE DELETE ON t2 FOR EACH ROW INSERT INTO no_such_table VALUES (1); DELETE t1, t2, t3 FROM t1, t2, t3; ERROR 42S02: Table 'test.no_such_table' doesn't exist SELECT * FROM t1; a 1 2 SELECT * FROM t2; a 1 2 SELECT * FROM t3; a 1 2 DROP TABLE t1, t2, t3; CREATE TABLE t1 ( a INT ); CREATE TABLE t2 ( a INT ); CREATE TABLE t3 ( a INT ); INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (1), (2); INSERT INTO t3 VALUES (1), (2); CREATE TRIGGER tr1 AFTER DELETE ON t2 FOR EACH ROW INSERT INTO no_such_table VALUES (1); DELETE t1, t2, t3 FROM t1, t2, t3; ERROR 42S02: Table 'test.no_such_table' doesn't exist SELECT * FROM t1; a 1 2 SELECT * FROM t2; a 1 2 SELECT * FROM t3; a 1 2 DROP TABLE t1, t2, t3; # # Bug #46425 crash in Diagnostics_area::set_ok_status, # empty statement, DELETE IGNORE # CREATE table t1 (i INTEGER); INSERT INTO t1 VALUES (1); CREATE TRIGGER tr1 AFTER DELETE ON t1 FOR EACH ROW BEGIN INSERT INTO t1 SELECT * FROM t1 AS A; END | DELETE IGNORE FROM t1; ERROR HY000: Can't update table 't1' in stored function/trigger because it is already used by statement which invoked this stored function/trigger. DROP TABLE t1; # # Bug #53034: Multiple-table DELETE statements not accepting # "Access compatibility" syntax # CREATE TABLE t1 (id INT); CREATE TABLE t2 LIKE t1; CREATE TABLE t3 LIKE t1; DELETE FROM t1.*, test.t2.*, a.* USING t1, t2, t3 AS a; DROP TABLE t1, t2, t3; End of 5.1 tests # # Bug#51099 Assertion in mysql_multi_delete_prepare() # DROP TABLE IF EXISTS t1, t2; DROP VIEW IF EXISTS v1, v2; CREATE TABLE t1(a INT); CREATE TABLE t2(b INT); CREATE VIEW v1 AS SELECT a, b FROM t1, t2; CREATE VIEW v2 AS SELECT a FROM v1; DELETE FROM v2; ERROR HY000: Can not delete from join view 'test.v2' DELETE v2 FROM v2; ERROR HY000: Can not delete from join view 'test.v2' DROP VIEW v2, v1; DROP TABLE t1, t2; # # Bug#58709 assert in mysql_execute_command # DROP TABLE IF EXISTS t2, t1; DROP PROCEDURE IF EXISTS p1; CREATE TABLE t1 (i INT PRIMARY KEY) engine=InnoDB; CREATE TABLE t2 (i INT, FOREIGN KEY (i) REFERENCES t1 (i) ON DELETE NO ACTION) engine=InnoDB; INSERT INTO t1 VALUES (1); INSERT INTO t2 VALUES (1); DELETE IGNORE FROM t1 WHERE i = 1; Warnings: Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`i`) REFERENCES `t1` (`i`)) CREATE PROCEDURE p1() DELETE IGNORE FROM t1 WHERE i = 1; CALL p1(); Warnings: Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`i`) REFERENCES `t1` (`i`)) PREPARE stm FROM 'CALL p1()'; EXECUTE stm; Warnings: Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`i`) REFERENCES `t1` (`i`)) DEALLOCATE PREPARE stm; DROP TABLE t2, t1; DROP PROCEDURE p1; # # Bug#18345346 Assertion failed: table_ref->view && table_ref->table == 0 # CREATE TABLE b(a INTEGER); CREATE VIEW y AS SELECT 1 FROM b, b AS e; CREATE VIEW x AS SELECT 1 FROM y; CREATE VIEW z AS SELECT 1 FROM x LIMIT 1; DELETE z FROM (SELECT 1) AS x, z; ERROR HY000: The target table z of the DELETE is not updatable DROP VIEW z, x, y; DROP TABLE b; # Bug#11752648 : MULTI-DELETE IGNORE DOES NOT REPORT WARNINGS # CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t1 (a) VALUES (1); CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t2 (a) VALUES (1); CREATE TABLE t3 (a INT, b INT, CONSTRAINT c_a FOREIGN KEY (a) REFERENCES t1 (a), CONSTRAINT c_b FOREIGN KEY (b) REFERENCES t2 (a)) ENGINE=InnoDB; INSERT INTO t3 (a, b) VALUES (1, 1); DELETE IGNORE FROM t1; Warnings: Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `c_a` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) DELETE IGNORE t1,t2 FROM t1,t2; Warnings: Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `c_a` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `c_b` FOREIGN KEY (`b`) REFERENCES `t2` (`a`)) SELECT * FROM t1; a 1 SELECT * FROM t2; a 1 DROP TABLE t3,t2,t1; # # Bug#17550423 : DELETE IGNORE GIVES INCORRECT RESULT WITH FOREIGN KEY # FOR PARENT TABLE # CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (b INT) ENGINE=InnoDB; INSERT INTO t1 VALUES (1), (2), (5); INSERT INTO t2 VALUES (1), (5); ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(b) REFERENCES t1(a); SELECT * FROM t2; b 1 5 DELETE IGNORE FROM t1; Warnings: Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`a`)) Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`a`)) SELECT * FROM t1; a 1 5 DROP TABLE t2,t1; # # Bug#20460208: !table || (!table->read_set || bitmap_is_set) # CREATE TABLE t1(a INTEGER) engine=innodb; CREATE TABLE t2(a BLOB) engine=innodb; INSERT INTO t1 SET z=1; ERROR 42S22: Unknown column 'z' in 'field list' INSERT INTO t2 VALUES('a'); DELETE FROM t2 WHERE 1 = a; DROP TABLE t1, t2; # # Bug#20086791 ASSERT `! IS_SET()` IN DIAGNOSTICS_AREA::SET_OK_STATUS # ON DELETE (ER_SUBQUERY..) # SET sql_mode=''; CREATE TABLE t1 ( col_int_key int, pk integer auto_increment, col_datetime_key datetime, /*Indices*/ key (col_int_key ), primary key (pk), key (col_datetime_key ) ) ENGINE=memory; CREATE TABLE t2 ( col_varchar_key varchar (1), col_date_key date, pk integer auto_increment, /*Indices*/ key (col_varchar_key ), key (col_date_key ), primary key (pk) ) ENGINE=memory; INSERT INTO t2 VALUES ('v', '2002-05-01', NULL) , ('d', '2001-01-01', NULL) ; CREATE TABLE t3 ( pk integer auto_increment, col_int_key int, col_varchar_key varchar (1), /*Indices*/ primary key (pk), key (col_int_key ), key (col_varchar_key )) ENGINE=memory; INSERT INTO t3 VALUES (NULL, 3, 'n') , (NULL, 1, 'r') ; CREATE TABLE t4 ( pk integer auto_increment, col_varchar_key varchar (1), col_int_key int, /*Indices*/ primary key (pk), key (col_varchar_key ), key (col_int_key ) ) ENGINE=memory; CREATE TABLE t5 ( col_datetime_key datetime, pk integer auto_increment, col_int_key int, /*Indices*/ key (col_datetime_key ), primary key (pk), key (col_int_key )) ENGINE=memory; INSERT INTO t5 VALUES ('2007-10-01', NULL, 8) , ('2002-10-01', NULL, 3) ; DELETE OUTR1.* FROM t2 AS OUTR1 JOIN t3 AS OUTR2 ON ( OUTR1 . col_varchar_key = OUTR2 . col_varchar_key ) WHERE OUTR1 . col_varchar_key NOT IN ( SELECT INNR1 . col_varchar_key AS y FROM t5 AS INNR2 RIGHT JOIN t4 AS INNR1 ON ( INNR2 . pk < INNR1 . col_int_key ) WHERE INNR1 . col_int_key <= INNR1 . col_int_key AND OUTR2 . col_int_key >= 3 ); DELETE QUICK FROM OUTR1.* USING t2 AS OUTR1 LEFT OUTER JOIN t1 AS OUTR2 ON ( OUTR1 . col_date_key = OUTR2 . col_datetime_key ) WHERE OUTR1 . pk NOT IN ( SELECT 2 UNION SELECT 7 ); DELETE OUTR1.* FROM t2 AS OUTR1 LEFT JOIN t1 AS OUTR2 ON ( OUTR1 . pk = OUTR2 . col_int_key ) WHERE OUTR1 . pk <> ( SELECT DISTINCT INNR1 . col_int_key AS y FROM t5 AS INNR1 WHERE OUTR1 . pk <= 5 ORDER BY INNR1 . col_datetime_key ); ERROR 21000: Subquery returns more than 1 row DROP TABLE t1, t2, t3, t4, t5; SET sql_mode=default; # Bug#20450013 assertion 'select_lex::having_cond() == __null ... CREATE TABLE t1(a TEXT, FULLTEXT (a)); CREATE VIEW v1 AS SELECT a FROM t1 ORDER BY a; explain DELETE FROM t1 USING v1,t1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 NULL 1 DELETE t1 NULL ALL NULL NULL NULL NULL 1 100.00 NULL Warnings: Note 1003 delete `test`.`t1` from `test`.`t1` join `test`.`t1` DELETE FROM t1 USING v1,t1; DROP VIEW v1; DROP TABLE t1; # # Bug#25320909 ASSERTION `THD->LEX->CURRENT_SELECT() == UNIT->FIRST_SELECT()' WITH DELETE # CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY); INSERT INTO t1 (a,b) VALUES (10000,'foobar'),(1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'); INSERT INTO t1 (a,b) SELECT a, b FROM t1; CREATE TABLE t2 (pk INT AUTO_INCREMENT PRIMARY KEY, c CHAR(8), d INT); INSERT INTO t2 (c,d) SELECT b, a FROM t1; DELETE IGNORE FROM t1 WHERE b IS NOT NULL ORDER BY a LIMIT 1; SELECT a,b FROM t1; a b 1 a 10000 foobar 10000 foobar 2 b 2 b 3 c 3 c 4 d 4 d 5 e 5 e DELETE IGNORE t1.*, t2.* FROM t1, t2 WHERE c < b OR a != ( SELECT 1 UNION SELECT 2 ); Warnings: Warning 1242 Subquery returns more than 1 row SELECT a,b FROM t1; a b 1 a SELECT c,d FROM t2; c d foobar 10000 foobar 10000 DROP TABLE t1, t2; # # Bug#29153485: ASSERTION IN JOIN_READ_CONST_TABLE() # CREATE TABLE d3 ( pk int(11) NOT NULL AUTO_INCREMENT, col_int int(11) DEFAULT NULL, col_varchar varchar(1) DEFAULT NULL, PRIMARY KEY (pk) ) ; Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO d3 VALUES (96,9,'t'),(97,0,'x'); CREATE TABLE e3 ( col_varchar varchar(1) DEFAULT NULL, pk int(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY (pk) ) ; Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO e3 VALUES ('v',986); DELETE OUTR1.* FROM e3 AS OUTR1 INNER JOIN d3 AS OUTR2 ON ( OUTR1.col_varchar = OUTR2.col_varchar ) LEFT JOIN d3 AS OUTR3 ON ( OUTR1. pk = OUTR3.pk ) WHERE OUTR1.pk = ( SELECT DISTINCT INNR1.col_int FROM d3 AS INNR1 WHERE INNR1.pk <> 8) ; ERROR 21000: Subquery returns more than 1 row DROP TABLE d3,e3; # # Bug#27455809; DELETE FROM ...WHERE NOT EXISTS WITH TABLE ALIAS CREATES AN ERROR 1064 (42000 # CREATE TABLE t1 (c1 INT); INSERT INTO t1 VALUES (1), (2); SELECT * FROM t1; c1 1 2 DELETE FROM t1 AS a1 WHERE a1.c1 = 2; SELECT * FROM t1; c1 1 CREATE TABLE t2 (c2 INT); INSERT INTO t2 VALUES (1), (2); SELECT * FROM t2; c2 1 2 DELETE FROM t2 a2 WHERE NOT EXISTS (SELECT * FROM t1 WHERE t1.c1 = a2.c2); SELECT * FROM t2; c2 1 DROP TABLE t1, t2;