From: | Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] Pluggable storage |
Date: | 2018-01-09 12:42:28 |
Message-ID: | CAJrrPGdY_hgvu06R_vCibUktKRLp=b8nBfeZkh=KRc95tq4euA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Sat, Jan 6, 2018 at 6:31 AM, Alexander Korotkov <
a(dot)korotkov(at)postgrespro(dot)ru> wrote:
> On Fri, Jan 5, 2018 at 7:20 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
>> I do not like the way that this patch set uses the word "storage". In
>> current usage, storage is a thing that certain kinds of relations
>> have. Plain relations (a.k.a. heap tables) have storage, indexes have
>> storage, materialized views have storage, TOAST tables have storage,
>> and sequences have storage. This patch set wants to use "storage AM"
>> to mean a replacement for a plain heap table, but I think that's going
>> to create a lot of confusion, because it overlaps heavily with the
>> existing meaning yet is different.
>
>
> Good point, thank you for noticing that. Name "storage" is really
> confusing
> for this purpose.
>
Thanks for the review and suggestion.
> My suggestion is to call these
>> "table access methods" rather than "storage access methods". Then,
>> the default table AM can be heap. This has the nice property that you
>> create an index using CREATE INDEX and the support functions arrive
>> via an IndexAmRoutine, so correspondingly you would create a table
>> using CREATE TABLE and the support functions would arrive via a
>> TableAmRoutine -- so all the names match.
>>
>
I changed the patches to use Table instead of storage. Changed all the
structures and exposed functions also for better readability
Updated patches are attached.
Regards,
Hari Babu
Fujitsu Australia
Attachment | Content-Type | Size |
---|---|---|
0010-table-rewrite-functionality.patch | application/octet-stream | 11.1 KB |
0011-Improve-tuple-locking-interface.patch | application/octet-stream | 46.6 KB |
0012-Table-AM-shared-memory-API.patch | application/octet-stream | 6.5 KB |
0001-Change-Create-Access-method-to-include-table-handler.patch | application/octet-stream | 9.3 KB |
0002-Table-AM-API-init-functions.patch | application/octet-stream | 10.0 KB |
0003-Adding-tableam-hanlder-to-relation-structure.patch | application/octet-stream | 7.0 KB |
0004-Adding-tuple-visibility-functions-to-table-AM.patch | application/octet-stream | 52.4 KB |
0005-slot-hooks-are-added-to-table-AM.patch | application/octet-stream | 62.9 KB |
0006-Tuple-Insert-API-is-added-to-table-AM.patch | application/octet-stream | 92.8 KB |
0007-Scan-functions-are-added-to-table-AM.patch | application/octet-stream | 103.2 KB |
0008-Remove-HeapScanDesc-usage-outside-heap.patch | application/octet-stream | 95.8 KB |
0009-BulkInsertState-is-added-into-table-AM.patch | application/octet-stream | 10.7 KB |
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