> > This was in postgresql code some time ago, but was removed
> > for some reason I don't remember.
> It was? There's still a ton of code in the optimizer to support it
> (a big chunk of indxqual.c is for testing index predicates).
There was talk of removing it, but it seemed to be a Bad Idea to do
so. The discussion even provoked a negative response from the Gods
themselves (in the voice of Paul Aoki) and led to the short
description of them in the docs.
They have definitely been neglected, but are a Good Thing and should
be rehabbed...
- Thomas
--
Thomas Lockhart lockhart@alumni.caltech.edu
South Pasadena, California
