>> And how would a DBA know that? > > We'd add a column to pg_class that tracks which page version is in use > for each relation.
So a relation can't have some pages in Version 9.2, and other pages in version 9.3? How will this work for 2TB tables? -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers