mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 14:33:32 +03:00
879d932ba9
mysql-test/r/lock.result: Auto merged mysql-test/r/rpl_log.result: Auto merged mysql-test/t/lock.test: Auto merged mysql-test/r/rpl_rotate_logs.result: SCCS merged sql/sql_parse.cc: SCCS merged sql/sql_repl.cc: SCCS merged
60 lines
2.2 KiB
Plaintext
60 lines
2.2 KiB
Plaintext
drop table if exists t1,t2;
|
|
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
|
|
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;
|
|
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;
|