Re: BUG: Session getting disconnected while executing a function to create materialised views in PostgreSQL 9.6

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
Cc: "Saxena, Shivam" <shsaxena(at)teamdrg(dot)com>, "pgsql-bugs(at)postgresql(dot)org" <pgsql-bugs(at)postgresql(dot)org>, DB Development DBAs <DBDevelopmentDBAs(at)teamdrg(dot)com>, "Lee, Ming" <milee(at)teamdrg(dot)com>
Subject: Re: BUG: Session getting disconnected while executing a function to create materialised views in PostgreSQL 9.6
Date: 2016-08-11 13:33:02
Message-ID: CAB7nPqT-GJLhTGJJLz8_=-qzzu4tkWEB2wn65Wrnq++sM7LmNg@mail.gmail.com
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On Thu, Aug 11, 2016 at 10:21 PM, Andrew Gierth
<andrew(at)tao11(dot)riddles(dot)org(dot)uk> wrote:
>>>>>> "Michael" == Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
>
> >> I'll produce a patch in the worst case by tomorrow morning my time.
>
> Michael> And attached is the patch. I arrived at the conclusion that
> Michael> the assertion being broken here just needs to be relaxed a bit
> Michael> so as it understands that this code path can be taken by a
> Michael> matview WITH NO DATA. I have bundled a regression test as
> Michael> well. This should be backpatched down to 9.3.
>
> Might it make sense in the regression test to check that ROW_COUNT ends
> up correctly set?

I didn't think that this was necessary, the existence of the relations
being a sufficient guarantee.
--
Michael

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