Re: XID Data Types

Bruce Momjian <pgman@candle.pha.pa.us>

From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Jan Wieck <JanWieck@Yahoo.com>
Cc: Manfred Koizar <mkoi-pg@aon.at>, Ericson Smith <eric@did-it.com>, pgsql-general@postgresql.org
Date: 2004-05-06T15:08:56Z
Lists: pgsql-general
Jan Wieck wrote:
> Manfred Koizar wrote:
> > On Mon, 03 May 2004 13:38:45 -0400, Ericson Smith <eric@did-it.com>
> > wrote:
> >>didit=# select *,xmin from settings where xmin > '187167023'::xid limit 5;
> >>ERROR:  operator does not exist: xid > xid
> > 
> > There might be better solutions, but when I ran into the same problem,
> > the age(xid) function helped at lot.
> 
> Slony contains an xxid data type that follows exactly the xid semantics. 
> It comes with a full operator class so that you can even put indexes on 
> xxid type columns. Shouldn't be too hard to define those operators for 
> the builtin xid type instead.

Should we just get that into our CVS so Slony doesn't have to distribute
its own?

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