On Mon, Aug 14, 2017 at 9:59 PM, Craig Ringer <cr...@2ndquadrant.com> wrote: > The bits are set, those macros just test to exclude the special meaning of > both bits being set at once to mean "frozen". > > I was reluctant to filter out HEAP_XMIN_COMMITTED and HEAP_XMIN_INVALID > when we detect that it's frozen, because that could well be misleading when > debugging.
I don't think so -- the "committed" and "invalid" meanings are effectively canceled when the "frozen" mask is present. I mean, "committed" and "invalid" contradict each other... -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
