"Nils Valentin" <[EMAIL PROTECTED]> wrote: > > I have a problem understanding why MySQL is deleting a unique key instead of > a primary key. > > from Documentation: DROP PRIMARY KEY drops the primary index. If no such index > exists, it drops the first UNIQUE index in the table. > > When I do it then I get this: > > mysql> desc uksample4; > +-------+----------+------+-----+---------+-------+ > | Field | Type | Null | Key | Default | Extra | > +-------+----------+------+-----+---------+-------+ > | id | int(11) | | UNI | 0 | | > | name | char(30) | YES | | NULL | | > | tel | char(20) | | PRI | | | > +-------+----------+------+-----+---------+-------+ > 3 rows in set (0.00 sec) > > mysql> alter table uksample4 drop primary key ; > Query OK, 0 rows affected (0.24 sec) > Records: 0 Duplicates: 0 Warnings: 0 > > mysql> desc uksample4; > +-------+----------+------+-----+---------+-------+ > | Field | Type | Null | Key | Default | Extra | > +-------+----------+------+-----+---------+-------+ > | id | int(11) | | | 0 | | > | name | char(30) | YES | | NULL | | > | tel | char(20) | | PRI | | | > +-------+----------+------+-----+---------+-------+ > 3 rows in set (0.00 sec) > > It deletes the unique key (id) instead of he primary key (tel). > > Did I do something wrong ? > > MySQL 4.0.14
Your example worked fine for me. Could you provide a test case? -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Victoria Reznichenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
