Re: minor bug

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Torsten Förtsch <tfoertsch123(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Michael Paquier <michael(at)paquier(dot)xyz>
Subject: Re: minor bug
Date: 2023-01-19 12:57:14
Message-ID: 4ae9feb22332aca790968b550f0016a1f97c3739.camel@cybertec.at
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On Wed, 2023-01-18 at 15:03 -0500, Tom Lane wrote:
> Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> writes:
> > On Tue, 2023-01-17 at 10:32 -0500, Tom Lane wrote:
> > > I seem to recall that the original idea was to report the timestamp
> > > of the commit/abort record we are stopping at.  Maybe my memory is
> > > faulty, but I think that'd be significantly more useful than the
> > > current behavior, *especially* when the replay stopping point is
> > > defined by something other than time.
> > > (Also, the wording of the log message suggests that that's what
> > > the reported time is supposed to be.  I wonder if somebody messed
> > > this up somewhere along the way.)
>
> > recoveryStopTime is set to recordXtime (the time of the xlog record)
> > a few lines above that patch, so this is useful information if it is
> > present.
>
> Ah, but that only happens if recoveryTarget == RECOVERY_TARGET_TIME.
> Digging in the git history, I see that this did use to work as
> I remember: we always extracted the record time before printing it.
> That was accidentally broken in refactoring in c945af80c.  I think
> the correct fix is more like the attached.

Yes, you are right. Your patch looks fine to me.

Yours,
Laurenz Albe

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