Re: COPY LOCK for WAL bypass

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От Chris Browne
Тема Re: COPY LOCK for WAL bypass
Дата
Msg-id 60wti1lreb.fsf@dba2.int.libertyrms.com
обсуждение исходный текст
Ответ на COPY LOCK for WAL bypass  (Simon Riggs <simon@2ndquadrant.com>)
Ответы Re: COPY LOCK for WAL bypass  (Simon Riggs <simon@2ndquadrant.com>)
Список pgsql-patches
simon@2ndquadrant.com (Simon Riggs) writes:
> On Sat, 2005-12-10 at 12:07 +0000, Simon Riggs wrote:
>> Following patch implements COPY ... FROM ... LOCK
>
> Patch now updated so that it includes an additional optimization of
> COPY, so that WAL will not be written in the transaction that created
> the table.
>
> This now gives two fast paths for COPY:
> 1) COPY LOCK
> 2) COPY in same transaction (e.g. reloading a pg_dump)

I presume that if this doesn't go into WAL, that means that this kind
of update wouldn't play with PITR, right?

That's presumably something that otta be pretty carefully documented
:-).
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