2016-08-31 9:00 GMT+02:00 Robert Haas <robertmh...@gmail.com>:

> On Wed, Aug 31, 2016 at 11:56 AM, Pavel Stehule <pavel.steh...@gmail.com>
> wrote:
> > It is pity - lot of performance issues are related to this missing
> feature.
>
> I don't think you are being very clear about what feature you are
> talking about.  The feature that Jeevan has implemented is pushing
> aggregates to the remote side when postgres_fdw is in use.  The
> feature you are talking about is evidently something else, but you
> haven't really said what it is.  Or not in a way that I can
> understand.
>

yes, It is not clear if FDW aggregate push down can be implemented together
with internal aggregate push down. Aggregate push down ~ try to aggregate
first when it is possible

Regards

Pavel

>
> --
> Robert Haas
> EnterpriseDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>

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