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Additional tweak to fix for bug #10543, to prevent a change in

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behavior when extending fields that were fully part of a
multi-part key.
This commit is contained in:
jimw@mysql.com
2005-06-02 10:00:36 -07:00
parent ef9ef1f958
commit d147e69bb7
3 changed files with 42 additions and 0 deletions
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25
mysql-test/r/key.result
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@@ -329,3 +329,28 @@ ERROR 42S21: Duplicate column name 'c1'
alter table t1 add key (c1,c1,c2);
ERROR 42S21: Duplicate column name 'c1'
drop table t1;
create table t1 (a varchar(10), b varchar(10), key(a(10),b(10)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) default NULL,
`b` varchar(10) default NULL,
KEY `a` (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 modify b varchar(20);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) default NULL,
`b` varchar(20) default NULL,
KEY `a` (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 modify a varchar(20);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(20) default NULL,
`b` varchar(20) default NULL,
KEY `a` (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;