Re: BUG #15552: Unexpected error in COPY to a foreign table in a transaction

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>
Cc: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Luis Carril <luis(dot)carril(at)swarm64(dot)com>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org>, PG Bug reporting form <noreply(at)postgresql(dot)org>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Subject: Re: BUG #15552: Unexpected error in COPY to a foreign table in a transaction
Date: 2018-12-19 09:13:25
Message-ID: 20181219091325.GB680@paquier.xyz
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On Wed, Dec 19, 2018 at 05:34:22PM +0900, Michael Paquier wrote:
> On Wed, Dec 19, 2018 at 04:49:19PM +0900, Etsuro Fujita wrote:
>> BTW I noticed that this error occurs not only for foreign tables but for
>> views with INSTEAD OF INSERT triggers. Here is an example on HEAD:
>>
>> To fix this I think we would also need the same treatment for the view case.
>
> Yes, this means an extra relkind check for views. Would you like to
> update the patch yourself?

While I still have that stuff in mind, for a patch on HEAD we could just
use RELKIND_CAN_HAVE_STORAGE() as additional check and also remove the
check on RELKIND_PARTITIONED_TABLE. And just add a check on
RELKIND_VIEW for back-branches on top of what's already present. If you
would like to write a new patch, please feel free to. Or I am fine to
do it myself.
--
Michael

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