Jan,

> With "orphaned transaction" you mean idle transaction in progress, like
> those created by some braindead client interface autocommit misfeatures?

Yep.

> I'm not sure there is a technical reason for this. Sounds more like a
> side effect of a relaxed "what we don't purge now, we purge later"
> strategy.

Well, can we change it safely?

-- 
Josh Berkus
Aglio Database Solutions
San Francisco