Re: Setting pd_lower in GIN metapage

On Wed, Sep 20, 2017 at 12:49 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> On Wed, Sep 20, 2017 at 4:25 AM, Michael Paquier
> <michael.paquier@gmail.com> wrote:
>> Also, _hash_init() would need some extra work to
>> generate FPWs, but I don't think that it is necessary per its handling
>> of a per-record meta data either. So REGBUF_STANDARD could be just
>> removed from there, and there is actually no need to patch
>> src/backend/access/hash at all.
>>
>
> I think there is no need to remove it.  As per discussion above, we
> want to keep REGBUF_STANDARD for all metapage initializations for the
> matter of consistency and that will be useful for
> wal_consistency_checking in which case we anyway need full page image.

Arf, yes. You are indeed right. I misread that you still need that
anyway in XLogRecordAssemble.
-- 
Michael