| From: | Chris Browne <cbbrowne(at)acm(dot)org> |
|---|---|
| To: | pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: COPY LOCK for WAL bypass |
| Date: | 2005-12-19 03:03:40 |
| Message-ID: | 60wti1lreb.fsf@dba2.int.libertyrms.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-patches |
simon(at)2ndquadrant(dot)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
:-).
--
select 'cbbrowne' || '@' || 'cbbrowne.com';
http://cbbrowne.com/info/nonrdbms.html
Microsoft Outlook: Deploying Viruses Has Never Been This Easy!
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Simon Riggs | 2005-12-19 07:51:54 | Re: COPY LOCK for WAL bypass |
| Previous Message | Tom Lane | 2005-12-19 03:03:27 | Re: Single-Transaction Utility options |