| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | amborodin(at)acm(dot)org, Andrew Borodin <borodin(at)octonica(dot)com> |
| Cc: | Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Oleg Bartunov <obartunov(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Sergey Mirvoda <sergey(at)mirvoda(dot)com> |
| Subject: | Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC] |
| Date: | 2016-09-08 18:57:40 |
| Message-ID: | 23133.1473361060@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andrew Borodin <borodin(at)octonica(dot)com> writes:
> Thank you for your corrections.
> Here is the patch with suggestions taken into account, except 6th.
I'll pick this up, unless some other committer is already on it.
I think that we should buy back the addition of PageIndexTupleOverwrite
to bufpage.c by getting rid of PageIndexDeleteNoCompact, as suggested
earlier by Alvaro. The latter seems a lot messier in concept, and it's
more general than BRIN needs. It also kinda looks like we could get
rid of PAI_ALLOW_FAR_OFFSET, which is a messy kluge in itself.
regards, tom lane
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