Re: Handle infinite recursion in logical replication setup

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: vignesh C <vignesh21(at)gmail(dot)com>
Cc: Peter Smith <smithpb2250(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "shiy(dot)fnst(at)fujitsu(dot)com" <shiy(dot)fnst(at)fujitsu(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, "kuroda(dot)hayato(at)fujitsu(dot)com" <kuroda(dot)hayato(at)fujitsu(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Handle infinite recursion in logical replication setup
Date: 2022-07-12 04:21:31
Message-ID: CAA4eK1+ey5Jmf5AXRc5XGLuLxMD7YdyxNN2B7AoX7r+-xR1m=w@mail.gmail.com
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On Tue, Jul 12, 2022 at 8:43 AM vignesh C <vignesh21(at)gmail(dot)com> wrote:
>
> On Mon, Jul 11, 2022 at 9:11 AM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
> >
> > Here are my review comments for the v30* patches:
> >
> > ========
> > v30-0001
> > ========
> >
> > 1.1 <general>
> >
> > I was wondering if it is better to implement a new defGetOrigin method
> > now instead of just using the defGetString to process the 'origin',
> > since you may need to do that in future anyway if the 'origin' name is
> > planned to become specifiable by the user. OTOH maybe you prefer to
> > change this code later when the time comes. I am not sure what way is
> > best.
>
> I preferred to do that change when the feature is getting extended.
>

+1.

*
+$node_C->safe_psql(
+ 'postgres', "
+ DELETE FROM tab");
+$node_B->safe_psql(
+ 'postgres', "
+ DELETE FROM tab where a = 32");
+
+$node_A->wait_for_catchup($subname_BA);
+$node_B->wait_for_catchup($subname_AB);

Here, don't we need to use node_C instead of node_A for waiting as we
have performed an operation on node_C?

--
With Regards,
Amit Kapila.

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