Andrew Gierth <and...@tao11.riddles.org.uk> writes:
> Tom Lane said:
>> Agreed, separating out the function-call-with-trailing-declaration
>> syntaxes so they aren't considered in FROM and index_elem seems like
>> the best compromise.
>>
>> If we do that for window function OVER clauses as well, can we make
>> OVER less reserved?
> Yes.
> At least, I tried it with both OVER and FILTER unreserved and there
> were no grammar conflicts (and I didn't have to do anything fancy to
> avoid them), and it passed regression with the exception of the
> changed error message for window functions in the from-clause.
> So is this the final decision on how to proceed? It seems good to me,
> and I can work with David to get it done.
Yeah, please submit a separate patch that just refactors the existing
grammar as above; that'll simplify reviewing.
regards, tom lane
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