On Sun, Mar 04, 2007 at 14:55:47 +0200, Hannu Krosing <[EMAIL PROTECTED]> wrote: > > UPDATE > IF NOT FOUND THEN > INSERT > IF DUPLICATE KEY THEN > UPDATE > END IF > END IF
I believe it is possible for the above to fail. For example another transaction could create a matching record between the update and insert and then another transaction could delete it between the insert and the second update. ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
