This requires a similar function to Oracles decode. I do not know if MySQL provides such a function.
Regards Peter Goggin ----- Original Message ----- From: "Alex Shi" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, October 07, 2002 6:47 AM Subject: where clause question > Hi, > > I need a where clause in following situation: > > Say I want to query two tables: A and B. In table A there is field Afn, > while in table B there ere 3 fields: Bfn1, Bfn2 and Bfn3. I want to > compose a query, in which the where clause can do this: > > if A.Afn=1, then check Bfn1, > if A.Afn=2, then check Bfn2, > if A.Afn=3, then check Bfn3. > > So how I compose a where clause to do this? Thanks in advance! > > Alex Shi > > > > --------------------------------------------------------------------- > 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
