Alvaro Herrera <alvherre@commandprompt.com> writes:
> Excerpts from Kevin Grittner's message of vie sep 03 19:06:17 -0400 2010:
>>> How about IsolationUsesXactSnapshot
> I find this name confusing :-( Doesn't a READ COMMITTED transaction use
> transaction snapshots as well?
AFAIR it doesn't keep the first snapshot around. If it did, most of
your work on snapshot list trimming would have been useless, no?
regards, tom lane