Re: Pluggable Storage - Andres's take

From: Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Asim R P <apraveen(at)pivotal(dot)io>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Ashwin Agrawal <aagrawal(at)pivotal(dot)io>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>
Subject: Re: Pluggable Storage - Andres's take
Date: 2019-01-22 00:51:57
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On Mon, Jan 21, 2019 at 1:01 PM Andres Freund <andres(at)anarazel(dot)de> wrote:

> Hi,
> On 2018-12-10 18:13:40 -0800, Andres Freund wrote:
> > On 2018-11-26 17:55:57 -0800, Andres Freund wrote:
> > > FWIW, now that oids are removed, and the tuple table slot abstraction
> > > got in, I'm working on rebasing the pluggable storage patchset ontop of
> > > that.
> >
> > I've pushed a version to that to the git tree, including a rebased
> > version of zheap:
> >
> >
> I've pushed the newest, substantially revised, version to the same
> repository. Note, that while the newest pluggable-zheap version is newer
> than my last email, it's not based on the latest version, and the
> pluggable-zheap development is now happening in the main zheap
> repository.

Thanks for the new version of patches and changes.

> Todo:
> - consider removing scan_update_snapshot

Attached the patch for removal of scan_update_snapshot
and also the rebased patch of reduction in use of t_tableOid.

> - consider removing table_gimmegimmeslot()
> - add substantial docs for every callback

Will work on the above two.

While I saw an initial attempt at writing smgl docs for the table AM
> API, I'm not convinced that's the best approach. I think it might make
> more sense to have high-level docs in sgml, but then do all the
> per-callback docs in tableam.h.

OK, I will update the sgml docs accordingly.
Index AM has per callback docs in the sgml, refactor them also?

Haribabu Kommi
Fujitsu Australia

Attachment Content-Type Size
0002-Removal-of-scan_update_snapshot.patch application/octet-stream 4.1 KB
0001-Reduce-the-use-of-HeapTuple-t_tableOid.patch application/octet-stream 53.8 KB

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