>>>>> "Robert" == Robert Haas <robertmhaas@gmail.com> writes:
Robert> I wonder if perhaps get_actual_variable_range() has a hazard of
Robert> this type as well. If OldestXmin retreats, then the special
Robert> snapshot type which it uses could see a row whose TOAST entry
Robert> has been removed meanwhile.
Actually get_actual_variable_range may have a hazard even if OldestXmin
does not retreat; it uses RecentGlobalXmin, which is quite likely to be
older than an OldestXmin value used by a vacuum.
--
Andrew (irc:RhodiumToad)
