Re: Setting pd_lower in GIN metapage

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Setting pd_lower in GIN metapage
Date: 2017-11-06 04:21:48
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On Sat, Nov 4, 2017 at 2:03 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
>> On Fri, Nov 3, 2017 at 1:10 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>>> On Fri, Nov 3, 2017 at 2:54 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>>> I've marked the CF entry closed. However, I'm not sure if we're quite
>>>> done with this thread. Weren't we going to adjust nbtree and hash to
>>>> be more aggressive about labeling their metapages as REGBUF_STANDARD?
>>> I have already posted the patches [1] for the same in this thread and
>>> those are reviewed [2][3] as well. I have adjusted the comments as per
>>> latest commit. Please find updated patches attached.
>> Confirmed. Setting those makes sense even if REGBUF_WILL_INIT is set,
>> at least for page masking.
> Thanks, I'd forgotten those patches were already posted. Looks good,
> so pushed.
> Looking around, I noted that contrib/bloom also had the disease of
> not telling log_newpage it was writing a standard-format metapage,
> so I fixed that too.

Thanks, Michael and Tom for reviewing and committing the work.

With Regards,
Amit Kapila.

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