Re: 64-bit CommandIds - Mailing list pgsql-patches

From Alvaro Herrera
Subject Re: 64-bit CommandIds
Date
Msg-id 20080304174110.GK4755@alvh.no-ip.org
Whole thread Raw
In response to 64-bit CommandIds  (Zoltan Boszormenyi <zb@cybertec.at>)
Responses Re: 64-bit CommandIds  (Zoltan Boszormenyi <zb@cybertec.at>)
Re: 64-bit CommandIds  (Zoltan Boszormenyi <zb@cybertec.at>)
List pgsql-patches
Zoltan Boszormenyi wrote:

> attached is our patch against HEAD which enables extending CommandIds
> to 64-bit. This is for enabling long transactions that really do that much
> non-read-only work in one transaction.

I think you should add a pg_control field and corresponding check, to
avoid a 64bit-Cid postmaster to start on a 32bit-Cid data area and vice
versa.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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