Re: [19] CREATE SUBSCRIPTION ... SERVER

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Jeff Davis <pgsql(at)j-davis(dot)com>
Cc: Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Shlok Kyal <shlok(dot)kyal(dot)oss(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Joe Conway <mail(at)joeconway(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [19] CREATE SUBSCRIPTION ... SERVER
Date: 2026-03-14 09:44:27
Message-ID: CAA4eK1+=V_UFNHwcoMFqzy0F4AtS9_GyXhQDUzizgieQPWr=0A@mail.gmail.com
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On Tue, Mar 10, 2026 at 7:53 PM Jeff Davis <pgsql(at)j-davis(dot)com> wrote:
>
> On Mon, 2026-03-09 at 11:53 +0530, Amit Kapila wrote:
> > > +# Replicate the changes without columns
> > > +$node_publisher->safe_psql('postgres', "CREATE TABLE
> > > tab_no_col()");
> > > +$node_publisher->safe_psql('postgres',
> > > + "INSERT INTO tab_no_col default VALUES");
> > >
> > > I don't see a subscriber-side table or verification code to verify
> > > the
> > > above test.
> > >
> >
> > I see that the committed version (8185bb5347) has this part of the
> > test, isn't that test incomplete, if not, tell me what am I missing?
>
> In 8185bb5347, contrib/postgres_fdw/t/010_subscription.pl has:
>
> ...
> # Setup structure on subscriber
> $node_subscriber->safe_psql('postgres', "CREATE EXTENSION
> postgres_fdw");
> $node_subscriber->safe_psql('postgres', "CREATE TABLE tab_ins (a int,
> b int)");
> ...
> $result =
> $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM (SELECT
> f.b = l.b as match FROM tab_ins l, f_tab_ins f WHERE l.a = f.a) WHERE
> match");
> is($result, qq(1050), 'check that inserted data was copied to
> subscriber');
> ...
>
> which creates the subscriber-side table and verifies the result.
>

I am talking about a table with the name tab_no_col whereas you are
talking about a table with the name tab_ins. The test doesn't create a
table with the name tab_no_col on the subscriber-side which makes it
redundant, am I missing something?

--
With Regards,
Amit Kapila.

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