Re: Asymmetric partition-wise JOIN

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: "Andrey V(dot) Lepikhov" <a(dot)lepikhov(at)postgrespro(dot)ru>
Cc: Kohei KaiGai <kaigai(at)heterodb(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Asymmetric partition-wise JOIN
Date: 2020-08-25 09:12:17
Message-ID: 958232B3-84FE-4B5B-8D6E-2F55245C243A@yesql.se
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> On 21 Aug 2020, at 08:02, Andrey V. Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> wrote:
>
> On 7/1/20 2:10 PM, Daniel Gustafsson wrote:
>>> On 27 Dec 2019, at 08:34, Kohei KaiGai <kaigai(at)heterodb(dot)com> wrote:
>>> The attached v2 fixed the problem, and regression test finished correctly.
>> This patch no longer applies to HEAD, please submit an rebased version.
>> Marking the entry Waiting on Author in the meantime.
> Rebased version of the patch on current master (d259afa736).
>
> I rebased it because it is a base of my experimental feature than we don't break partitionwise join of a relation with foreign partition and a local relation if we have info that remote server has foreign table link to the local relation (by analogy with shippable extensions).
>
> Maybe mark as 'Needs review'?

Thanks for the rebase, I've updated the commitfest entry to reflect that it
needs a round of review.

cheers ./daniel

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