Skip site navigation (1) Skip section navigation (2)

Re: [PATCH] Lazy xid assingment V2

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Florian G(dot) Pflug" <fgp(at)phlo(dot)org>, Postgresql-Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Lazy xid assingment V2
Date: 2007-09-01 02:51:30
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Tom Lane wrote:

> I note that pg_description defines xid_age as "age of a transaction ID,
> in transactions before current transaction", and I'm content to stick
> with that definition.  Even if it does force consuming an XID.  I'm not
> sure that we could devise a comparably succinct description of any of
> these other proposed behaviors, nor that we should even consider
> changing that description.

Hmm, what happens if somebody calls 
select age(xmin) from bigtable

Alvaro Herrera                      
The PostgreSQL Company - Command Prompt, Inc.

In response to

pgsql-hackers by date

Next:From: August ZajoncDate: 2007-09-01 04:30:12
Subject: Re: [PATCH] Lazy xid assingment V2
Previous:From: Florian G. PflugDate: 2007-09-01 02:50:53
Subject: Re: [PATCH] Lazy xid assingment V2

Privacy Policy | About PostgreSQL
Copyright © 1996-2017 The PostgreSQL Global Development Group