Doc: small improvements for documentation about VACUUM freezing.
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 6 Sep 2016 21:50:53 +0000 (17:50 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 6 Sep 2016 21:50:53 +0000 (17:50 -0400)
commit6cdc26e482182a872d10a899cc4bbdb11364720b
tree6f7c0f1976e99557f9ba03093591c68658a90309
parent0ce080147a52dec71774c6eacbf855721926c448
Doc: small improvements for documentation about VACUUM freezing.

Mostly, explain how row xmin's used to be replaced by FrozenTransactionId
and no longer are.  Do a little copy-editing on the side.

Per discussion with Egor Rogov.  Back-patch to 9.4 where the behavioral
change occurred.

Discussion: <575D7955.6060209@postgrespro.ru>
doc/src/sgml/maintenance.sgml