So just use REPLACE instead of INSERT... http://dev.mysql.com/doc/refman/5.0/en/replace.html
On Mon, Jul 21, 2008 at 11:44 AM, mos <[EMAIL PROTECTED]> wrote: > At 08:23 PM 7/20/2008, Perrin Harkins wrote: > >> On Sun, Jul 20, 2008 at 12:12 AM, mos <[EMAIL PROTECTED]> wrote: >> > Is there a way to get "Insert ... select ... On Duplicate Update" to >> update >> > the row with the duplicate key? >> >> That's what it does. >> >> > Why can't it do this? >> >> What makes you think it can't? >> >> - Perrin >> > > Perrin, > I can't specify all of the columns in a Set statement in the > OnDuplicate clause because I don't know what the column names are and there > could be 100 columns. I'd like to use something like: > > insert into Table2 select * from table1 on duplicate key update; > > but this gives me a syntax error. > > Error Code : 1064 > You have an error in your SQL syntax; check the manual that corresponds to > your MySQL server version for the right syntax to use near '' at line 1 > > So it is looking for an Update expression. I'd like it to update all the > columns in the Select statement to the row with the matching key. After all, > this is what the statement was trying to do in the first place. I don't see > why I have to explicitly specify all of the value assignments in the On > Duplicate phrase over again. > > Mike > MySQL 5.0.24 > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] > > -- Help build our city at http://free-dc.myminicity.com !
