Re: Conflict detection and logging in logical replication

From: shveta malik <shveta(dot)malik(at)gmail(dot)com>
To: Peter Smith <smithpb2250(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Nisha Moond <nisha(dot)moond412(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Jan Wieck <jan(at)wi3ck(dot)info>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, shveta malik <shveta(dot)malik(at)gmail(dot)com>
Subject: Re: Conflict detection and logging in logical replication
Date: 2024-08-28 03:30:17
Message-ID: CAJpy0uBm_AEc8z6z9bVB0QW+mdce_LfE8m-0Sv-pFJNR8qT=tw@mail.gmail.com
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On Tue, Aug 27, 2024 at 4:37 AM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
>
> On Mon, Aug 26, 2024 at 7:52 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> >
> > On Thu, Aug 22, 2024 at 2:21 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> > >
> > > On Thu, Aug 22, 2024 at 1:33 PM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
> > > >
> > > > Do you think the documentation for the 'column_value' parameter of the
> > > > conflict logging should say that the displayed value might be
> > > > truncated?
> > > >
> > >
> > > I updated the patch to mention this and pushed it.
> > >
> >
> > Peter Smith mentioned to me off-list that the names of conflict types
> > 'update_differ' and 'delete_differ' are not intuitive as compared to
> > all other conflict types like insert_exists, update_missing, etc. The
> > other alternative that comes to mind for those conflicts is to name
> > them as 'update_origin_differ'/''delete_origin_differ'.
> >
>
> For things to "differ" there must be more than one them. The plural of
> origin is origins.
>
> e.g. 'update_origins_differ'/''delete_origins_differ'.
>
> OTOH, you could say "differs" instead of differ:
>
> e.g. 'update_origin_differs'/''delete_origin_differs'.
>

+1 on 'update_origin_differs' instead of 'update_origins_differ' as
the former is somewhat similar to other conflict names 'insert_exists'
and 'update_exists'.

thanks
Shveta

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