On Thu, Oct 13, 2011 at 07:49:59PM -0400, Tom Lane wrote: > David Salisbury <salisbury@xxxxxxxxx> writes: > > Short version, is there a way to implement an exclusive OR in a where clause? > > The boolean <> operator will do the trick. > > (x = y) <> (a = b) > > regards, tom lane Factoring in NULLable columns, that's: (x IS NOT DISTINCT FROM y) <> (a IS NOT DISTINCT FROM b) Cheers, David. -- David Fetter <david@xxxxxxxxxx> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: david.fetter@xxxxxxxxx iCal: webcal://www.tripit.com/feed/ical/people/david74/tripit.ics Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
