On Thu, 2009-08-06 at 13:15 -0400, Merlin Moncure wrote: > in 8.4 you can (and should) do: > WHERE old = new I couldn't get that to work in a rule. > IF NEW != OLD THEN -- 8.4 syntax Does this work correctly in the case of NULLs? It looks like it does, but that seems strange, because ROW(1, NULL) = ROW(1, NULL) evaluates to NULL. Where is this documented? Regards, Jeff Davis -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
