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Re: WIP: default values for function parameters - Mailing list pgsql-hackers

From Tom Lane
Subject Re: WIP: default values for function parameters
Date
Msg-id 26845.1229185673@sss.pgh.pa.us
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In response to Re: WIP: default values for function parameters  ("David E. Wheeler" <david@kineticode.com>)
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"David E. Wheeler" <david@kineticode.com> writes:
> I don't suppose that the position of the label and  
> the value on either side of "AS" could be reversible, could it?

No.  Consider
SELECT foo(bar AS baz) FROM ...

If the from-clause provides columns named both bar and baz, it would
be impossible to decide what is meant.
        regards, tom lane

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