Re: BUG #15781: subselect on foreign table (postgres_fdw) can crash (segfault)

From: Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com>
To: Sean Johnston <sean(dot)johnston(at)edgeintelligence(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #15781: subselect on foreign table (postgres_fdw) can crash (segfault)
Date: 2019-05-24 19:30:41
Message-ID: CAPmGK17gNEwu6Q2aNW1Hr3P5xE4=L_MGAMOLs4HXMuA6NPDgkw@mail.gmail.com
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On Sat, May 25, 2019 at 2:19 AM Sean Johnston
<sean(dot)johnston(at)edgeintelligence(dot)com> wrote:
> Obviously this isn't mainstream postgres but just wondering if anyone has looked into issues with regards to pushing order/limit to remote nodes for fdw.

In PostgreSQL 12 Beta 1 released this week [1], we can push down ORDER
BY/LIMIT to the remote PostgreSQL server. Give it a try!

Best regards,
Etsuro Fujita

[1] https://www.postgresql.org/about/news/1943/

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