On Fri, Nov 9, 2012 at 4:24 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> We need a fast lookup structure that is expandable to accommodate
> arbitrary numbers of truncates. Shared hash table, with some form of
> overflow mechanism.
Surely you only need to remember the last completed truncate for each
relation? The latest one also invalidates any snapshots before earlier
truncates.
Regards,
Marti