Re: repeated decoding of prepared transactions

From: vignesh C <vignesh21(at)gmail(dot)com>
To: Ajin Cherian <itsajin(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: repeated decoding of prepared transactions
Date: 2021-02-25 11:34:01
Message-ID: CALDaNm3CcxG-o1ZFip5AexCSBNnZ2e=FJCKzKy=YtimxH9ZEPw@mail.gmail.com
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On Wed, Feb 24, 2021 at 5:06 PM Ajin Cherian <itsajin(at)gmail(dot)com> wrote:
>
> On Wed, Feb 24, 2021 at 4:48 PM Ajin Cherian <itsajin(at)gmail(dot)com> wrote:
>
> > I plan to split this into two patches next. But do review and let me
> > know if you have any comments.
>
> Attaching an updated patch-set with the changes for
> snapshot_was_exported_at_lsn separated out from the changes for the
> APIs pg_create_logical_replication_slot() and
> pg_logical_slot_get_changes(). Along with a rebase that takes in a few
> more commits since my last patch.

One observation while verifying the patch I noticed that most of
ReplicationSlotPersistentData structure members are displayed in
pg_replication_slots, but I did not see snapshot_was_exported_at_lsn
being displayed. Is this intentional? If not intentional we can
include snapshot_was_exported_at_lsn in pg_replication_slots.

Regards,
Vignesh

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