Re: logical changeset generation v6.5

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От Steve Singer
Тема Re: logical changeset generation v6.5
Дата
Msg-id BLU0-SMTP709117745754B11138C3AADCF90@phx.gbl
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Ответ на Re: logical changeset generation v6.5  (Andres Freund <andres@2ndquadrant.com>)
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On 11/11/2013 02:06 PM, Andres Freund wrote:
> On 2013-11-10 14:45:17 -0500, Steve Singer wrote:
>
> Not really keen - that'd be a noticeable overhead. Note that in the
> cases where DEFAULT|INDEX is used, you can just use the new tuple to
> extract what you need for the pkey lookup since they now have the same
> format and since it's guaranteed that the relevant columns haven't
> changed if oldtup is null and there's a key.
>
> What are you actually doing with those columns? Populating a WHERE
> clause?

Yup building a WHERE clause

> Greetings,
>
> Andres Freund
>




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