From: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
Subject: | Re: postgres_fdw: perform UPDATE/DELETE .. RETURNING on a join directly |
Date: | 2018-02-09 10:24:15 |
Message-ID: | 5A7D76CF.8080601@lab.ntt.co.jp |
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Lists: | pgsql-hackers |
(2018/02/09 10:48), Etsuro Fujita wrote:
> (2018/02/09 4:32), Robert Haas wrote:
>> On Thu, Feb 8, 2018 at 11:05 AM, Tom Lane<tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> there's still an intermittent issue. I ran "make installcheck" in
>>> contrib/postgres_fdw in a loop, and got a similar failure on the
>>> 47th try --- my result duplicates the second plan change shown by
>>> rhinoceros, but not the first one. I speculate that the plan change
>>> is a result of autovacuum kicking in partway through the run.
>
> Will look into this.
I tried to reproduce that in my environment, but I couldn't. On
reflection I think an easy and reliable way to address that concern is
to use local stats on foreign tables. Attached is a patch for that.
Best regards,
Etsuro Fujita
Attachment | Content-Type | Size |
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postgres-fdw-regress.patch | text/x-diff | 8.0 KB |
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