On Tue, 12 Dec 2000, Tom Lane wrote:
> Stephan Szabo <sszabo@megazone23.bigpanda.com> writes:
> >> In fact, there's a good argument that we should require the two columns
> >> to have the exact same datatype.
>
> > I think the spec only requires them to be comparable
>
> Oh, in that case never mind ... but I'd still favor checking for
> existence of the comparison operator right away.
Okay, will do. :)