On Wed, 22 May 2002 18:03:07 -0400 "Tom Lane" <[EMAIL PROTECTED]> wrote:
> Neil Conway <[EMAIL PROTECTED]> writes: > > The current KSQO code is currently #ifdef'ed out, and the 'ksqo' GUC > > variable does nothing. Is there a reason for keeping this code around? > > (or conversely, what was the original justification for disabling it?) > > I disabled it because I didn't have time to fix it properly when it got > broken by the 7.1 rewrite of UNION/INTERSECT/EXCEPT. I've been waiting > to see whether anyone notices that it's gone ;-). So far the demand for > it has been invisible, so it hasn't gotten fixed. On the other hand > I'm not quite convinced that it never will get fixed, so I haven't > applied the coup de grace. Hmmm... Well, I'll take a look at it, but I'll probably just leave it be -- since the optimization might actually return invalid results, it doesn't seem like a very valuable thing to have, IMHO. Cheers, Neil -- Neil Conway <[EMAIL PROTECTED]> PGP Key ID: DB3C29FC ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org