~drizzle-trunk/drizzle/development

#

# Check for problems with delete

#

--disable_warnings

drop table if exists t1,t2,t3,t11,t12;

--enable_warnings

CREATE TABLE t1 (a int, b int);

INSERT INTO t1 VALUES (1,1);

INSERT INTO t1 VALUES (1,2);

INSERT INTO t1 VALUES (1,3);

DELETE from t1 where a=1 limit 1;

DELETE from t1 where a=1;

INSERT INTO t1 VALUES (1,1);

DELETE from t1;

INSERT INTO t1 VALUES (1,2);

DELETE from t1;

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 NOT NULL default '0',

  `i2` int NOT NULL default '0',

  PRIMARY KEY  (`i`)

);

drop table t1;

#

# CHAR(0) bug - not actually DELETE bug, but anyway...

#

CREATE TEMPORARY TABLE t1 (

  bool     char(0) default NULL,

  not_null varchar(20) 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;

#

# 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;

--sorted_result

select * from t12;

select * from t2;

select * from t11;

--sorted_result

select * from t12;

select * from t11;

--sorted_result

select * from t12;

-- 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 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#17711: DELETE doesn't use index when ORDER BY, LIMIT and

#            non-restricting WHERE is present.

#

# PBXT is different here. @a = 2 instead of 1. I think the

# reason is because an index is not used, as done with

# InnoDB. This may be due to lack of cluster index. If the

# delete below is based on a secondary index then the

# index is not used

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 ,

  `seq` int NOT NULL auto_increment,

  PRIMARY KEY  (`seq`),

  KEY `seq` (`seq`),

  KEY `date` (`date`)

);

DELETE FROM t1 ORDER BY date ASC LIMIT 1;

drop table t1;

--echo End of 4.1 tests

#

# 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;

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;

--echo End of 5.0 tests

#

# Bug#27525: table not found when using multi-table-deletes with aliases over

#            several databas

# Bug#21148: MULTI-DELETE fails to resolve a table by alias if it's from a

#            different database

#

--disable_warnings

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;

--enable_warnings

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;