On Sun, Aug 18, 2002 at 12:58:39 -0400,
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Well, yeah. Indexes work with operators, not with functions. This is
> a consequence of decisions taken a decade ago at Berkeley: the system
> catalogs that show what indexes can do connect *operators* to indexes,
> not functions to indexes. Use the operator.
Thanks for the explanation of what was happenning.