Ron Johnson wrote: > > There is no set time frame planned that I know of. > > > > It is more a matter of users that keep the old versions alive. Some with > > large datasets on busy servers that can't allocate enough downtime to > > upgrade tend to be keeping the older versions running. > > How much does the on-disk structure of *existing* tables and indexes > change between x.y versions? > > Between, for example, 8.0 and 8.2? Yes: http://www.postgresql.org/docs/8.2/static/migration.html -- Bruce Momjian bruce@xxxxxxxxxx EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +