Re: Wrong assert in TransactionGroupUpdateXidStatus

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Wrong assert in TransactionGroupUpdateXidStatus
Date: 2019-12-16 03:23:47
Message-ID: CAA4eK1Lvn56ygbKdueH0+pA7No45MAmUjCExLFSFTHB3qnq2Xw@mail.gmail.com
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On Sun, Dec 15, 2019 at 8:51 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> On Thu, Dec 12, 2019 at 9:23 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> > Do you think we need such an Assert after having StaticAssert for
> > (THRESHOLD_SUBTRANS_CLOG_OPT <= PGPROC_MAX_CACHED_SUBXIDS) and then
> > an if statement containing (nsubxids <= THRESHOLD_SUBTRANS_CLOG_OPT)
> > just before this Assert? Sure, we can keep this for extra safety, but
> > I don't see the need for it.
>
> I don't have strong feelings about it.
>

Okay, in that case, I am planning to push this patch [1] tomorrow
morning unless I see any other comments. I am also planning to
backpatch this through 10 where it got introduced, even though this is
not a serious bug, but I think it is better to keep the code
consistent in back branches.

[1] - https://www.postgresql.org/message-id/CAA4eK1JZ5EipQ8Ta6eLMX_ni3CNtZDUrvHg0th1C8n%3D%2Bk%2B0ojg%40mail.gmail.com

--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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