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.
Jan
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