On Thu, Nov 21, 2002 at 02:45:34PM -0800, Christopher Kings-Lynne wrote: > > > I think his point is that they _should_ be equivalent. Surely there's > > > something in the optimiser that discards '=true' stuff, like 'a=a' > should be > > > discarded?
> Not that I see the point of indexing booleans, but hey :) If one of the values is much more infrequent than the other, you can probably get a substantial win using a partial index, can't you? -- Alvaro Herrera (<alvherre[a]dcc.uchile.cl>) "Everybody understands Mickey Mouse. Few understand Hermann Hesse. Hardly anybody understands Einstein. And nobody understands Emperor Norton." ---------------------------(end of broadcast)--------------------------- TIP 3: 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
