try alter table fixtures change id id int auto_increment Notice that the two references to "id" are intentional! ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, March 26, 2001 2:44 PM Subject: using ALTER TABLE to make existing column AUTO_INCREMENT ?? > ive gotten along pretty well with mysql and online docs. but now i > am stumped and hoping for a little kick in the right direction. > > i have a column in a table which is the primary key and is an int. > how do i make it also be auto_increment? the table already has some > data in it, so i suspect that this may be where my problem comes from. > when i use ALTER TABLE (my best guess at how to do it), i get this error: > > mysql> alter table fixtures modify column id int auto_increment; > ERROR 1062: Duplicate entry '1' for key 1 > > perhaps i need to somehow start things up with the next highest > auto increment .. or ...? > > > thanks, > -jon > > --------------------------------------------------------------------- > 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 > --------------------------------------------------------------------- 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
