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Sadly, since 9.4, that does not clear the XID anymore, see that blue box here: https://www.postgresql.org/docs/9.4/routine-vacuuming.html#VACUUM-FOR-WRAPAROUND
by karyon 6y ago
Sadly, since 9.4, that does not clear the XID anymore, see that blue box here: https://www.postgresql.org/docs/9.4/routine-vacuuming.html#VACUUM-FOR-WRAPAROUND https://www.postgresql.org/docs/9.4/routine-vacuuming.html#V...
- rossmohax 6y agoThanks, that was news to me. Interestingly replacing XID with frozen one still makes a valid tuple, so it might be just a few lines patch for you to get what you want.