> > The first is that i_relallfrozen is undefined in versions earlier than > 18. That's trivial to fix, we just add "0 AS relallfrozen," in the > earlier versions, but still refrain from outputting it. >
Ok, so long as we refrain from outputting it, I'm cool with whatever we store internally. > The second is that the pg_upgrade test (when run with > olddump/oldinstall) compares the before and after dumps, and if the > "before" version is 17, then it will not have the relallfrozen argument > to pg_restore_relation_stats. We might need a filtering step in > adjust_new_dumpfile? > That sounds trickier. Do we already have filtering steps that are sensitive to the "before" version dump?
