Re: Typo about subxip in comments

Amit Kapila <amit.kapila16@gmail.com>

From: Amit Kapila <amit.kapila16@gmail.com>
To: Japin Li <japinli@hotmail.com>
Cc: Richard Guo <guofenglinux@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-11-12T04:12:06Z
Lists: pgsql-hackers
On Fri, Nov 11, 2022 at 2:45 PM Japin Li <japinli@hotmail.com> wrote:
>
> On Fri, 11 Nov 2022 at 15:23, Amit Kapila <amit.kapila16@gmail.com> wrote:
> > On Fri, Nov 11, 2022 at 12:16 PM Richard Guo <guofenglinux@gmail.com> wrote:
> >>
> >> On Fri, Nov 11, 2022 at 11:26 AM Japin Li <japinli@hotmail.com> wrote:
> >>>
> >>> Recently, when I read the XidInMVCCSnapshot(), and find there are some
> >>> typos in the comments.
> >>
> >>
> >> Hmm, it seems to me 'the subxact array' is just another saying to refer
> >> to snapshot->subxip.  I'm not sure about this being typo.  But I have no
> >> objection to this change, as it is more consistent with the 'xip array'
> >> saying followed.
> >>
> >
> > Agreed, it is more about being consistent with xip array.
>
> Thanks for reviewings.
>
> Maybe a wrong plural in XidInMvccSnapshot().
>
>      * Make a quick range check to eliminate most XIDs without looking at the
>      * xip arrays.
>
> I think we should use "xip array" instead of "xip arrays".
>

I think here the comment is referring to both xip and subxip array, so
it looks okay to me.

> Furthermore, if the snapshot is taken during recovery, the xip array is
> empty, and we should check subxip array. How about changing "xip arrays"
> to "xip or subxip array"?
>

I don't know if that is an improvement. I think we should stick to
your initial proposed change.

-- 
With Regards,
Amit Kapila.



Commits

  1. Improve comments referring snapshot's subxip array.