"Jim C. Nasby" <[EMAIL PROTECTED]> writes: > On Wed, Feb 22, 2006 at 10:18:48PM -0500, Tom Lane wrote: >> The Datum is just a pointer into the original tuple in that case.
> That would still result in a speedup since you don't have to figure out > where the field begins though, right? I'm curious as to how much this > patch would help with sorting text... Right. It would help just as much as in the integer case as far as eliminating the time spent in heap_getattr is concerned. That would be a smaller percentage of the whole, because bttextcmp is (a lot) slower than btint4cmp, but that's no fault of the patch. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq