diff options
Diffstat (limited to 'mysql-test/t/multi_update.test')
| -rw-r--r-- | mysql-test/t/multi_update.test | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/mysql-test/t/multi_update.test b/mysql-test/t/multi_update.test index 84b9c816ee5..d0edebe2da3 100644 --- a/mysql-test/t/multi_update.test +++ b/mysql-test/t/multi_update.test @@ -310,7 +310,6 @@ delete t1, t2 from t2,t1 drop table t1,t2; - # # Test for bug #1820. # @@ -347,6 +346,41 @@ select 't1 rows after big delete', count(*) from t1; drop table t1,t2; # +# Test alias (this is not correct in 4.0) +# + +CREATE TABLE t1 ( a int ); +CREATE TABLE t2 ( a int ); +DELETE t1 FROM t1, t2 AS t3; +DELETE t4 FROM t1, t1 AS t4; +DELETE t3 FROM t1 AS t3, t1 AS t4; +--error 1066 +DELETE t1 FROM t1 AS t3, t2 AS t4; +INSERT INTO t1 values (1),(2); +INSERT INTO t2 values (1),(2); +DELETE t1 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=1; +SELECT * from t1; +SELECT * from t2; +DELETE t2 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=2; +SELECT * from t1; +SELECT * from t2; +DROP TABLE t1,t2; + +# +# Test update with const tables +# + +create table `t1` (`p_id` int(10) unsigned NOT NULL auto_increment, `p_code` varchar(20) NOT NULL default '', `p_active` tinyint(1) unsigned NOT NULL default '1', PRIMARY KEY (`p_id`) ); +create table `t2` (`c2_id` int(10) unsigned NULL auto_increment, `c2_p_id` int(10) unsigned NOT NULL default '0', `c2_note` text NOT NULL, `c2_active` tinyint(1) unsigned NOT NULL default '1', PRIMARY KEY (`c2_id`), KEY `c2_p_id` (`c2_p_id`) ); +insert into t1 values (0,'A01-Comp',1); +insert into t1 values (0,'B01-Comp',1); +insert into t2 values (0,1,'A Note',1); +update t1 left join t2 on p_id = c2_p_id set c2_note = 'asdf-1' where p_id = 2; +select * from t1; +select * from t2; +drop table t1, t2; + +# # Test for bug #1980. # set @ttype_save=@@storage_engine; |