On Wed, Nov 28, 2007 at 05:17:38PM -0500, Tom Lane wrote: > David Fetter <[EMAIL PROTECTED]> writes: > > On Wed, Nov 28, 2007 at 03:53:04PM -0500, Tom Lane wrote: > >> Entirely removing the example of how to do it with rules doesn't > >> seem like a good idea. > > > It does to me. I haven't found a case yet where rules worked even > > as well as triggers. > > I don't have a problem with emphasizing triggers as the preferred > solution, but we should keep the older example, if only because > people are going to see DB schemas that use that approach, and they > won't understand what's going on (or realize they could convert) if > they've not seen an example.
Greg Sabino Mullane managed to contrive an example where RULEs might conceivably be the least-bad way to do this, that being a machine where no PLs may be installed. Telling people how to do this is not *quite* as bad as describing how to do EAV, but it's pretty close. Cheers, David. -- David Fetter <[EMAIL PROTECTED]> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: [EMAIL PROTECTED] Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
