On Wed, Oct 1, 2008 at 9:39 AM, Tom Lane <[EMAIL PROTECTED]> wrote:
> "Gurjeet Singh" <[EMAIL PROTECTED]> writes:
> > On Wed, Oct 1, 2008 at 3:07 AM, Decibel! <[EMAIL PROTECTED]> wrote:
> >> ERROR: aggregates not allowed in WHERE clause
>
> > No, the real issue is that you are referencing the outer table's column's
> > max() in the inner query (correlated sub-query).
>
> Yeah. It's not easy to see how the software could guess your real
> intentions here. We could maybe offer a vaguely-worded HINT but I'm
> not able to think of wording that would be very helpful.
Can we do something like this in the code:
if( "level of the referenced column's relation" != "level of the
(sub)query being processed" )
errhint( "The subquery may be unintentionally referencing an outer
query's column!" );
Best regards,
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