On 9 November 2012 14:55, Marti Raudsepp <ma...@juffo.org> wrote: > On Fri, Nov 9, 2012 at 4:24 PM, Simon Riggs <si...@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?
Yes > The latest one also invalidates any snapshots before earlier > truncates. 1 per table, arbirary number of tables -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
