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 http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
