Re: Foreign join pushdown vs EvalPlanQual

From: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>, Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>
Subject: Re: Foreign join pushdown vs EvalPlanQual
Date: 2015-12-22 06:52:40
Message-ID: 5678F338.60706@lab.ntt.co.jp
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On 2015/12/22 15:24, Michael Paquier wrote:
> On Thu, Dec 10, 2015 at 1:32 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> If we get the feature - join pushdown for postgres_fdw -
>> working, then we might get some feedback from users about what they
>> like about it or don't, and certainly if this is a frequent complaint
>> then that bolsters the case for doing something about it, and possibly
>> also helps us figure out what that thing should be. On the other
>> hand, if we don't get the feature because we're busy debating
>> interface details related to this patch, then none of these details
>> matter anyway because nobody except developer is actually running the
>> code in question.
>
> As this debate continues, I think that moving this patch to the next
> CF would make the most sense then.. So done this way.

Perhaps, this ended (?) with the following commit:

http://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=385f337c9f39b21dca96ca4770552a10a6d5af24

Thanks,
Amit

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