On Tue, May 12, 2015 at 9:20 AM, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
> The beauty of this would be that the TED entries can be zapped at restart,
> just like pg_subtrans, and pg_multixact before 9.3. It doesn't need to be
> WAL-logged, and we are free to change its on-disk layout even in a minor
> release.
What about prepared transactions? They can lock rows FOR SHARE that
survive server restarts.
--
Thomas Munro
http://www.enterprisedb.com