Re: HS and clog

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: HS and clog
Date: 2013-03-30 22:16:45
Message-ID: CA+U5nM+caFxhPautd+3bvpdyiUZp_Zf+oZBayefRLzEsVWN+dw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On 30 March 2013 18:20, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:

> Imo this shouldn't be needed.

In principle, I think your premise looks correct. ExtendCLOG() is not needed.

If the xid truly is "known assigned" at a point in time, then the clog
should already have been extended to allow that.

I can't recall any special case there, but there may be one.

Given that it seems to work, changing it requires more care...

--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

In response to

  • HS and clog at 2013-03-30 18:20:06 from Andres Freund

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2013-03-30 22:24:44 Re: HS and clog
Previous Message Tom Lane 2013-03-30 22:07:02 Re: Changing recovery.conf parameters into GUCs