On Sat, Feb 13, 2016 at 7:54 AM, Bruce Momjian <br...@momjian.us> wrote: > On Thu, Feb 11, 2016 at 07:18:46PM -0500, Bruce Momjian wrote: >> No, that is not an improvement --- see my previous comment: >> >> > We could get more sophisticated by checking the catalog version number >> > where the format was changed, but that doesn't seem worth it, and is >> > overly complex because we get the catalog version number from >> > pg_controldata, so you would be adding a dependency in ordering of the >> > pg_controldata entries. >> >> By testing for '906', you prevent users from using pg_upgrade to go from >> one catalog version of 9.6 to a later one. Few people may want to do >> it, but it should work. > > C comment added explaining why we do this.
Thanks for the addition. -- Michael -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
