Andrew Gierth <[email protected]> writes:
> Updated version of the aggregate order by patch.
I'm starting to look at this now. I find it rather bizarre to merge
both the actual arguments of an aggregate and the optional ORDER BY
expressions into a single targetlist. It doesn't seem like that would
be an especially convenient representation to work with, and I would
also expect there to be a nonzero performance hit from the extra
TargetEntry expression nodes, even when the feature is not in use.
Why didn't you use separate lists?
regards, tom lane
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