because the people who created it had doctorate degrees? kidding:-)
Tom Lane wrote:
> Stephan Szabo <sszabo@megazone.bigpanda.com> writes:
>
>>-- This seems really different from our previous standard reading of SQL92
>>though. It implies that you can't really do stuff on input columns
>>except in very limited cases and that'd be really bad.
>
>
> Yes, it seems fraught with bogus restrictions, which makes me wonder if
> we're interpreting it correctly.
>
> I could understand a definition that says "unqualified names are first
> sought as output column names, and if no match then treated as input
> column names; qualified names are always input column names". Perhaps
> that's what they're really trying to do, but why all the strange
> verbiage?
>
> regards, tom lane
>
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