Re: LIMIT for UPDATE and DELETE

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>
Cc: Rukh Meski <rukh(dot)meski(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: LIMIT for UPDATE and DELETE
Date: 2014-08-25 12:40:22
Message-ID: CAA4eK1KaZ2kzuDRzVWOeRzhfTkD261uLG7sFw_ceWmTkZZYbNQ@mail.gmail.com
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On Mon, Aug 25, 2014 at 12:18 PM, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>
wrote:
> (2014/08/15 6:18), Rukh Meski wrote:
>>
>> Based on the feedback on my previous patch, I've separated only the
>> LIMIT part into its own feature. This version plays nicely with
>> inheritance. The intended use is splitting up big UPDATEs and DELETEs
>> into batches more easily and efficiently.
>
>
> Before looking into the patch, I'd like to know the use cases in more
details.

You can once check the previous commit fest thread [1] for
this feature, in that you can find some use cases and what are
the difficulties to implement this feature, it might aid you in
review of this feature.

[1]
https://commitfest.postgresql.org/action/patch_view?id=1412

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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