On Tue, Jun 13, 2006 at 09:50:49PM -0400, Tom Lane wrote: > "Jim C. Nasby" <jnasby@xxxxxxxxxxxxx> writes: > > On Tue, Jun 13, 2006 at 06:04:42PM -0400, Tom Lane wrote: > >> It'd depend on the context, possibly, but it's easy to show that the > >> current planner does fold "now() - interval_constant" when making > >> estimates. Simple example: > > > Turns out the difference is between feeding a date vs a timestamp into the > > query... I would have thought that since date is a date that the WHERE clause > > would be casted to a date if it was a timestamptz, but I guess not... > > Hmm ... worksforme. Could you provide a complete test case? I can't provide the data I used for that, but I'll try and come up with something else. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
