home *** CD-ROM | disk | FTP | other *** search
Text File | 2003-01-21 | 674 b | 20 lines | [TEXT/ttxt] |
- #
- # Test of different EXPLAIN's
-
- drop table if exists t1;
- create table t1 (id int not null, str char(10), unique(str));
- insert into t1 values (1, null),(2, null),(3, "foo"),(4, "bar");
- select * from t1 where str is null;
- select * from t1 where str="foo";
- explain select * from t1 where str is null;
- explain select * from t1 where str="foo";
- explain select * from t1 ignore key (str) where str="foo";
- explain select * from t1 use key (str,str) where str="foo";
-
- #The following should give errors
- !$1072 explain select * from t1 use key (str,str,foo) where str="foo";
- !$1072 explain select * from t1 ignore key (str,str,foo) where str="foo";
- drop table t1;
-
- explain select 1;
-