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			404 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
|  | # | ||
|  | # Check for problems with delete | ||
|  | # | ||
|  | 
 | ||
|  | --disable_warnings | ||
|  | drop table if exists t1,t2,t3,t11,t12; | ||
|  | --enable_warnings | ||
|  | CREATE TABLE t1 (a tinyint(3), b tinyint(5)); | ||
|  | 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; | ||
|  | 
 | ||
|  | # | ||
|  | # Test of delete when the delete will cause a node to disappear and reappear | ||
|  | # (This assumes a block size of 1024) | ||
|  | # | ||
|  | 
 | ||
|  | 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`) | ||
|  | ); | ||
|  | -- error 1054 | ||
|  | DELETE FROM t1 USING t1 WHERE post='1'; | ||
|  | drop table t1; | ||
|  | 
 | ||
|  | # | ||
|  | # CHAR(0) bug - not actually DELETE bug, but anyway... | ||
|  | # | ||
|  | 
 | ||
|  | CREATE TABLE t1 ( | ||
|  |   bool     char(0) default NULL, | ||
|  |   not_null varchar(20) binary NOT NULL default '', | ||
|  |   misc     integer not null, | ||
|  |   PRIMARY KEY  (not_null) | ||
|  | ) ENGINE=MyISAM; | ||
|  | 
 | ||
|  | 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; | ||
|  | delete   from t1 where misc > 5 and bool is null; | ||
|  | select * from t1 where misc > 5 and bool is null; | ||
|  | 
 | ||
|  | select count(*) from t1; | ||
|  | delete from t1 where 1 > 2; | ||
|  | select count(*) from t1; | ||
|  | delete from t1 where 3 > 2; | ||
|  | select count(*) from t1; | ||
|  | 
 | ||
|  | drop table t1; | ||
|  | # | ||
|  | # Bug #5733: Table handler error with self-join multi-table DELETE | ||
|  | # | ||
|  | 
 | ||
|  | create table t1 (a int not null auto_increment primary key, b char(32)); | ||
|  | insert into t1 (b) values ('apple'), ('apple'); | ||
|  | select * from t1; | ||
|  | delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a; | ||
|  | select * from t1; | ||
|  | drop table t1; | ||
|  | 
 | ||
|  | # | ||
|  | # IGNORE option | ||
|  | # | ||
|  | 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; | ||
|  | select * from t12; | ||
|  | select * from t2; | ||
|  | -- error 1242 | ||
|  | delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a); | ||
|  | select * from t11; | ||
|  | select * from t12; | ||
|  | delete ignore t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a); | ||
|  | select * from t11; | ||
|  | select * from t12; | ||
|  | insert into t11 values (2, 12); | ||
|  | -- error 1242 | ||
|  | delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a); | ||
|  | select * from t11; | ||
|  | delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a); | ||
|  | select * from t11; | ||
|  | drop table t11, t12, t2; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug #4198: deletion and KEYREAD | ||
|  | # | ||
|  | 
 | ||
|  | 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; | ||
|  | select * from t1; | ||
|  | drop table t1; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug #8392: delete with ORDER BY containing a direct reference to the table  | ||
|  | # | ||
|  |   | ||
|  | 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; | ||
|  | DROP TABLE t1; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug #21392: multi-table delete with alias table name fails with  | ||
|  | # 1003: Incorrect table name | ||
|  | # | ||
|  | 
 | ||
|  | 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; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug#17711: DELETE doesn't use index when ORDER BY, LIMIT and | ||
|  | #            non-restricting WHERE is present. | ||
|  | # | ||
|  | 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; | ||
|  | select @a; | ||
|  | drop table t1; | ||
|  | 
 | ||
|  | # BUG#30385 "Server crash when deleting with order by and limit" | ||
|  | 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`) | ||
|  | ); | ||
|  | DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1; | ||
|  | drop table t1; | ||
|  | 
 | ||
|  | --echo End of 4.1 tests | ||
|  | 
 | ||
|  | # | ||
|  | # Test of multi-delete where we are not scanning the first table | ||
|  | # | ||
|  | 
 | ||
|  | 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; | ||
|  | explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b; | ||
|  | delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b; | ||
|  | # This should be empty | ||
|  | select * from t3; | ||
|  | drop table t1,t2,t3; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug #8143: deleting '0000-00-00' values using IS NULL | ||
|  | # | ||
|  | 
 | ||
|  | create table t1(a date not null); | ||
|  | insert into t1 values (0); | ||
|  | select * from t1 where a is null; | ||
|  | delete from t1 where a is null; | ||
|  | select count(*) from t1; | ||
|  | drop table t1; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug #26186: delete order by, sometimes accept unknown column | ||
|  | # | ||
|  | CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1); | ||
|  | 
 | ||
|  | --error ER_BAD_FIELD_ERROR | ||
|  | DELETE FROM t1 ORDER BY x; | ||
|  | 
 | ||
|  | # even columns from a table not used in query (and not even existing) | ||
|  | --error ER_BAD_FIELD_ERROR | ||
|  | DELETE FROM t1 ORDER BY t2.x; | ||
|  | 
 | ||
|  | # subquery (as long as the subquery from is valid or DUAL) | ||
|  | --error ER_BAD_FIELD_ERROR | ||
|  | DELETE FROM t1 ORDER BY (SELECT x); | ||
|  | 
 | ||
|  | DROP TABLE t1; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug #30234: Unexpected behavior using DELETE with AS and USING | ||
|  | # ' | ||
|  | 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; | ||
|  | 
 | ||
|  | --error ER_PARSE_ERROR | ||
|  | DELETE FROM t1 alias USING t1, t2 alias WHERE t1.a = alias.a; | ||
|  | 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; | ||
|  | --error ER_UNKNOWN_TABLE | ||
|  | DELETE FROM t1, t2 USING t1, t2 alias WHERE t1.a = alias.a; | ||
|  | --error ER_PARSE_ERROR | ||
|  | DELETE FROM db1.t1 alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a; | ||
|  | --error ER_UNKNOWN_TABLE | ||
|  | 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; | ||
|  | DELETE FROM t1 USING t1 WHERE a = 1; | ||
|  | SELECT * FROM t1; | ||
|  | --error ER_PARSE_ERROR | ||
|  | DELETE FROM t1 alias USING t1 alias WHERE a = 2; | ||
|  | SELECT * FROM t1; | ||
|  | 
 | ||
|  | DROP TABLE t1, t2; | ||
|  | DROP DATABASE db1; | ||
|  | DROP DATABASE db2; | ||
|  | 
 | ||
|  | # | ||
|  | # Bug 31742: delete from ... order by function call that causes an error,  | ||
|  | #            asserts server | ||
|  | # | ||
|  | 
 | ||
|  | CREATE FUNCTION f1() RETURNS INT RETURN 1; | ||
|  | CREATE TABLE t1 (a INT); | ||
|  | INSERT INTO t1 VALUES (0); | ||
|  | --error 1318 | ||
|  | DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1; | ||
|  | DROP TABLE t1; | ||
|  | DROP FUNCTION f1; | ||
|  | 
 | ||
|  | 
 | ||
|  | --echo # | ||
|  | --echo # Bug #49552 : sql_buffer_result cause crash + not found records  | ||
|  | --echo #   in multitable delete/subquery | ||
|  | --echo # | ||
|  | 
 | ||
|  | 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; | ||
|  | DROP TABLE t1; | ||
|  | 
 | ||
|  | --echo End of 5.0 tests | ||
|  | 
 | ||
|  | --echo # | ||
|  | --echo # Bug#46958: Assertion in Diagnostics_area::set_ok_status, trigger,  | ||
|  | --echo # merge table | ||
|  | --echo # | ||
|  | 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); | ||
|  | 
 | ||
|  | --error ER_NO_SUCH_TABLE | ||
|  | DELETE t1, t2, t3 FROM t1, t2, t3; | ||
|  | 
 | ||
|  | SELECT * FROM t1; | ||
|  | SELECT * FROM t2; | ||
|  | SELECT * FROM t3; | ||
|  | 
 | ||
|  | 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); | ||
|  | 
 | ||
|  | --error ER_NO_SUCH_TABLE | ||
|  | DELETE t1, t2, t3 FROM t1, t2, t3; | ||
|  | 
 | ||
|  | SELECT * FROM t1; | ||
|  | SELECT * FROM t2; | ||
|  | SELECT * FROM t3; | ||
|  | 
 | ||
|  | DROP TABLE t1, t2, t3; | ||
|  | 
 | ||
|  | --echo # | ||
|  | --echo # Bug #46425 crash in Diagnostics_area::set_ok_status,  | ||
|  | --echo #            empty statement, DELETE IGNORE | ||
|  | --echo # | ||
|  | 
 | ||
|  | CREATE table t1 (i INTEGER); | ||
|  | 
 | ||
|  | INSERT INTO t1 VALUES (1); | ||
|  | 
 | ||
|  | --delimiter | | ||
|  | 
 | ||
|  | CREATE TRIGGER tr1 AFTER DELETE ON t1 FOR EACH ROW  | ||
|  | BEGIN  | ||
|  |   INSERT INTO t1 SELECT * FROM t1 AS A; | ||
|  | END | | ||
|  | 
 | ||
|  | --delimiter ; | ||
|  | --error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG | ||
|  | DELETE IGNORE FROM t1; | ||
|  | 
 | ||
|  | DROP TABLE t1; | ||
|  | 
 | ||
|  | --echo # | ||
|  | --echo # Bug #53450: Crash/assertion | ||
|  | --echo #    "virtual int ha_myisam::index_first(uchar*)") at assert.c:81 | ||
|  | --echo # | ||
|  | 
 | ||
|  | CREATE TABLE t1 (a INT,    b INT,    c INT, | ||
|  |                  INDEX(a), INDEX(b), INDEX(c)); | ||
|  | INSERT INTO t1 VALUES (1,2,3), (4,5,6), (7,8,9); | ||
|  | 
 | ||
|  | DELETE FROM t1 WHERE a = 10 OR b = 20 ORDER BY c LIMIT 1; | ||
|  | 
 | ||
|  | DROP TABLE t1; | ||
|  | 
 | ||
|  | --echo # | ||
|  | --echo # Bug #53034: Multiple-table DELETE statements not accepting | ||
|  | --echo #             "Access compatibility" syntax | ||
|  | --echo # | ||
|  | 
 | ||
|  | 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; | ||
|  | 
 | ||
|  | --echo End of 5.1 tests |