| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Chris Browne <cbbrowne(at)acm(dot)org>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [DOCS] Autovacuum and XID wraparound |
| Date: | 2007-05-15 22:13:47 |
| Message-ID: | 20070515221347.GT12731@alvh.no-ip.org |
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| Lists: | pgsql-docs pgsql-patches |
Tom Lane wrote:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > I suppose it would be pretty trivial to set the relfrozenxid to
> > RecentXmin or something during TRUNCATE.
>
> I had the idea we were doing that already --- at least I'm pretty sure I
> remember it being discussed. But I see it's not being done in HEAD.
Patch to do it attached. I am thinking we can do something similar in
CLUSTER as well.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
| Attachment | Content-Type | Size |
|---|---|---|
| truncate-relfrozenxid.patch | text/x-diff | 4.5 KB |
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