fpaul, Wednesday, September 11, 2002, 11:00:56 AM, you wrote: faadn> I have a problem with the command ALTER TABLE. faadn> For example, this simple table "test" : faadn> +---------+---------------+------+-----+---------+----------------+ faadn> | Field | Type | Null | Key | Default | Extra | faadn> +---------+---------------+------+-----+---------+----------------+ faadn> | id | int(10) | | PRI | NULL | auto_increment | faadn> | texte | varchar(255) | YES | | NULL | | faadn> +---------+---------------+------+-----+---------+----------------+
faadn> I want to modify the id column and convert it to tinyint type. The command line faadn> is : faadn> ALTER TABLE test MODIFY COLUMN id tinyint(3) unsigned NOT NULL PRIMARY KEY faadn> default NULL auto_increment; faadn> I launch it and I have this error : faadn> ERROR 1068: Multiple primary key defined ALTER TABLE test MODIFY COLUMN id tinyint(3) unsigned auto_increment; faadn> Obviously if I remove the PRIMARY KEY, it does not begin squalling... faadn> The problem is that it's an automatic program which launches the ALTER TABLE so faadn> I'll be happy if I can keep the "PRIMARY KEY". faadn> This was tested on a MySQL 4.0.2 as well as on 3.23.51. faadn> Is it a limit of ALTER ? A syntax error ?... Thank for your answers and sorry -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Egor Egorov / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php