| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | shveta malik <shveta(dot)malik(at)gmail(dot)com> |
| Cc: | Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, Nisha Moond <nisha(dot)moond412(at)gmail(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Ajin Cherian <itsajin(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Subject: | Re: Synchronizing slots from primary to standby |
| Date: | 2024-01-19 05:52:51 |
| Message-ID: | CAA4eK1JFhbBf-LywUU0YJUTcKTFjZvbXi-42DwCd-xojWKhRXA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jan 17, 2024 at 4:06 PM shveta malik <shveta(dot)malik(at)gmail(dot)com> wrote:
>
> >
> > 5 === (coming from v62-0002)
> > + Assert(tuplestore_tuple_count(res->tuplestore) == 1);
> >
> > Is it even possible for the related query to not return only one row? (I think the
> > "count" ensures it).
>
> I think you are right. This assertion was added sometime back on the
> basis of feedback on hackers. Let me review that again. I can consider
> this comment in the next version.
>
OTOH, can't we keep the assert as it is but remove "= 1" from
"count(*) = 1" in the query. There shouldn't be more than one slot
with same name on the primary. Or, am I missing something?
--
With Regards,
Amit Kapila.
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