| From: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
|---|---|
| To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Problem while updating a foreign table pointing to a partitioned table on foreign server |
| Date: | 2018-08-03 06:18:38 |
| Message-ID: | CAFjFpRcF-j+B8W8o-wrvOguA0=r8SJ-rCrzWAnHT2V66NxGfFQ@mail.gmail.com |
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On Fri, Aug 3, 2018 at 9:43 AM, Kyotaro HORIGUCHI
<horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>
> Something-like-but-other-hanVar node? I'm not sure it is needed,
> because whatever node we add to the relation-tlist, we must add
> the correspondence to the relation descriptor. And if we do that,
> a Var works to point it. (Am I correctly understanding?)
>
The purpose of non-Var node is to avoid adding the attribute to
relation descriptor. Idea is to create a new node, which will act as a
place holder for table oid or row id (whatever) to be fetched from the
foreign server. I don't understand why do you think we need it to be
added to the relation descriptor.
--
Best Wishes,
Ashutosh Bapat
EnterpriseDB Corporation
The Postgres Database Company
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