Tom Lane wrote:
Stephan Szabo <[EMAIL PROTECTED]> 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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