Re: Access aggregation functions in plan stage of fdw?

Tom Lane <[email protected]> Wed, 11 Dec 2013 21:50:41 -0500

Newsgroups	gmane.comp.db.postgresql.interfaces
Message-ID	<[email protected]>

Ian Pye <[email protected]> writes:
> I'm trying to write a fdw where aggregate functions are pushed down to the
> underlaying data store.

> Is this possible?

Not yet.  You can find various speculation about doing this in the
pgsql-hackers archives from the last month or so.  It's going to require
some significant planner-infrastructure work, IMO, but we might have it
for 9.5.

			regards, tom lane

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