Re: Foreign join pushdown vs EvalPlanQual - Mailing list pgsql-hackers

From Etsuro Fujita
Subject Re: Foreign join pushdown vs EvalPlanQual
Date
Msg-id 564E7EA2.8050806@lab.ntt.co.jp
Whole thread Raw
In response to Re: Foreign join pushdown vs EvalPlanQual  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On 2015/11/20 6:57, Robert Haas wrote:
> On Wed, Nov 18, 2015 at 10:54 PM, Etsuro Fujita
> <fujita.etsuro@lab.ntt.co.jp> wrote:
>>> Noted, but let's do it that way and move on.  It would be a shame if
>>> we didn't end up with a working FDW join pushdown system in 9.6
>>> because of a disagreement on this point.

>> Another idea would be to consider join pushdown as unsupported for now when
>> select-for-update is involved in 9.5, as described in [1], and revisit this
>> issue when adding join pushdown to postgres_fdw in 9.6.

> Well, I think it's probably too late to squeeze this into 9.5 at this
> point, but I'm eager to get it fixed for 9.6.

OK, I'll update the postgres_fdw-join-pushdown patch so as to work with 
that callback routine, if needed.

Best regards,
Etsuro Fujita




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