RE: Add the replication origin name and commit-LSN to logical replication worker errcontext

From: "osumi(dot)takamichi(at)fujitsu(dot)com" <osumi(dot)takamichi(at)fujitsu(dot)com>
To: 'Masahiko Sawada' <sawada(dot)mshk(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: RE: Add the replication origin name and commit-LSN to logical replication worker errcontext
Date: 2022-03-04 06:15:49
Message-ID: TYCPR01MB8373F2760DA331F1B401A42AED059@TYCPR01MB8373.jpnprd01.prod.outlook.com
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On Friday, March 4, 2022 2:23 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> I've attached updated patches.
Hi, thank you for updating the patch.

One comment on v4.

In v4-0002, we introduce 'commit_lsn' in the ApplyErrorCallbackArg.
This member is set for prepare, rollback prepared and stream_abort as well.
The new log message format is useful when we have a prepare transaction
that keeps failing on the subscriber and want to know the target transaction
for the pg_replication_origin_advance(), right ?
If this is true, I wasn't sure if the name 'commit_lsn' is the
most accurate name for this variable. Should we adjust the name a bit ?

Even when we decide to continue to use 'commit_lsn',
it might be better to add some comments near the definition, I feel.

Best Regards,
Takamichi Osumi

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