Alvaro, >> This sounds like extending Xid to 64 bits, without having to store the >> high bits everywhere. Was this discussed in the PGCon devs meeting?
Essentially, yes. One of the main objections to raising XID to 64-bit has been the per-row overhead. But adding 4 bytes per page wouldn't be much of an impact. -- -- Josh Berkus PostgreSQL Experts Inc. http://www.pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers