Tom,
> No, because it's not a bug. The SELECT list is evaluated after HAVING,
> so what you are asking for is an impossibility in the SQL semantic
> model.
>
> (Yeah, I know there's some laxity in GROUP BY ... one of our worse
> mistakes IMHO ...)
Oh. I see what you mean. Given that I (along with at least a dozen posters
to the SQL list) was confused that our HAVING/ORDER BY will accept column
aliases but not sub-select aliases, would this be worthy of a FAQ item?
--
-Josh Berkus
Aglio Database Solutions
San Francisco