Re: Disappearing Records

Martijn van Oosterhout <kleptog@svana.org> writes:
> The really nasty thing about it is that because the records are now
> considered really old, as soon as you do run VACUUM it'll start
> removing the rows you want to save...

You sure about that?  I think VACUUM just tests for "committed or not".

I'm too lazy to set up a test case, but it's possible that VACUUM FREEZE
would resurrect wrapped-around tuples, or could be made to with only a
small code tweak.

            regards, tom lane