~drizzle-trunk/drizzle/development

CREATE TABLE t1 ( `id` int(11) NOT NULL default '0', `id2` int(11) NOT NULL default '0', `id3` int(11) NOT NULL default '0', `dummy1` char(30) default NULL, PRIMARY KEY (`id`,`id2`), KEY `index_id3` (`id3`)) ENGINE=MyISAM;

insert into t1 (id,id2) values (1,1),(1,2),(1,3);

LOCK TABLE t1 WRITE;

select dummy1,count(distinct id) from t1 group by dummy1;

dummy1 count(distinct id)

NULL 1

update t1 set id=-1 where id=1;

LOCK TABLE t1 READ;

update t1 set id=1 where id=1;

ERROR HY000: Table 't1' was locked with a READ lock and can't be updated

create table t2 SELECT * from t1;

ERROR HY000: Table 't2' was not locked with LOCK TABLES

create temporary table t2 SELECT * from t1;

drop table if exists t2;

unlock tables;

create table t2 SELECT * from t1;

LOCK TABLE t1 WRITE,t2 write;

insert into t2 SELECT * from t1;

update t1 set id=1 where id=-1;

drop table t1,t2;

CREATE TABLE t1 (

index1 smallint(6) default NULL,

nr smallint(6) default NULL,

KEY index1(index1)

) ENGINE=MyISAM;

CREATE TABLE t2 (

nr smallint(6) default NULL,

name varchar(20) default NULL

) ENGINE=MyISAM;

INSERT INTO t2 VALUES (1,'item1');

INSERT INTO t2 VALUES (2,'item2');

lock tables t1 write, t2 read;

insert into t1 select 1,nr from t2 where name='item1';

insert into t1 select 2,nr from t2 where name='item2';

unlock tables;

check table t1;

Table Op Msg_type Msg_text

test.t1 check status OK

lock tables t1 write;

check table t2;

Table Op Msg_type Msg_text

test.t2 check Error Table 't2' was not locked with LOCK TABLES

test.t2 check status OK

insert into t1 select index1,nr from t1;

ERROR HY000: Table 't1' was not locked with LOCK TABLES

unlock tables;

lock tables t1 write, t1 as t1_alias read;

insert into t1 select index1,nr from t1 as t1_alias;

drop table t1,t2;

ERROR HY000: Table 't2' was not locked with LOCK TABLES

unlock tables;

drop table t1,t2;

create table t1 (c1 int);

create table t2 (c1 int);

create table t3 (c1 int);

lock tables t1 write, t2 write, t3 write;

drop table t2, t3, t1;

create table t1 (c1 int);

create table t2 (c1 int);

create table t3 (c1 int);

lock tables t1 write, t2 write, t3 write, t1 as t4 read;

alter table t2 add column c2 int;

drop table t1, t2, t3;

create table t1 ( a int(11) not null auto_increment, primary key(a));

create table t2 ( a int(11) not null auto_increment, primary key(a));

lock tables t1 write, t2 read;

delete from t1 using t1,t2 where t1.a=t2.a;

delete t1 from t1,t2 where t1.a=t2.a;

delete from t2 using t1,t2 where t1.a=t2.a;

ERROR HY000: Table 't2' was locked with a READ lock and can't be updated

delete t2 from t1,t2 where t1.a=t2.a;

ERROR HY000: Table 't2' was locked with a READ lock and can't be updated

drop table t1,t2;

ERROR HY000: Table 't2' was locked with a READ lock and can't be updated

unlock tables;

drop table t2,t1;

End of 4.1 tests.

drop table if exists t1;

create table t1 (a int);

lock table t1 write;

flush tables with read lock;

ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction

unlock tables;

drop table t1;

DROP TABLE IF EXISTS t1;

CREATE TABLE t1 (i INT);

LOCK TABLES mysql.time_zone READ, t1 READ;

UNLOCK TABLES;

LOCK TABLES mysql.time_zone READ, t1 WRITE;

UNLOCK TABLES;

LOCK TABLES mysql.time_zone READ;

UNLOCK TABLES;

LOCK TABLES mysql.time_zone WRITE;

UNLOCK TABLES;

LOCK TABLES mysql.time_zone READ, t1 READ;

LOCK TABLES mysql.time_zone WRITE, t1 READ;

ERROR HY000: You can't combine write-locking of system tables with other tables or lock types

LOCK TABLES mysql.time_zone WRITE, t1 WRITE;

100

ERROR HY000: You can't combine write-locking of system tables with other tables or lock types

101

DROP TABLE t1;

102

103

Cleanup.

104

105

End of 5.1 tests.

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