Re: pg_recvlogical cannot create slots with failover=true

From: Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
To: "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>
Cc: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_recvlogical cannot create slots with failover=true
Date: 2025-04-04 17:44:30
Message-ID: CAD21AoChv2kZ84CJSnf2afRd2e+DKhzVYL88y3EzqoaBG5YkuQ@mail.gmail.com
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On Thu, Apr 3, 2025 at 8:28 PM Hayato Kuroda (Fujitsu)
<kuroda(dot)hayato(at)fujitsu(dot)com> wrote:
>
> Dear Sawada-san,
>
> > Thank you for updating the patch. Here are some minor comments:
> >
> > The <option>--two-phase</option> can be specified with
> > <option>--create-slot</option> to enable decoding of prepared
> > transactions.
> > + Also, <option>--falover</option> can be specified with
> > + <option>--create-slot</option> to create replication slot which can
> > be
> > + synchronized to the standby.
> >
> > How about rewording the whole sentence like:
> >
> > + The <option>--two-phase</option> and
> > <option>--failover</option> options
> > + can be specified with <option>--create-slot</option>.
> >
> > Explaining both options here seems redundant to me.
>
> Fixed.
>
> > ---
> > + <para>
> > + Allows created replication slot to be synchronized to the standbys.
> > + This option may only be specified with
> > <option>--create-slot</option>.
> > + </para>
> >
> > How about slightly rewording to like:
> >
> > + Enables the slot to be synchronized to the standbys. This
> > option may only be
> > + specified with <option>--create-slot</option>.
>
> Fixed. The description in usage() is adjusted based on this.
>
> > Also, the descriptions of pg_recvlogical options are written in
> > alphabetical order. Please put the description for --failover option
> > after -E/--endpos.
>
> Right. I put because it had short-term '-o' in old version, but it was removed.
> Fixed.

Thank you for updating the patch! Pushed with small cosmetic changes.

Regards,

--
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com

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