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(dot)6060209(at)postgrespro(dot)ru>
Branch
------
REL9_4_STABLE
Details
-------
http://git.postgresql.org/pg/commitdiff/db88112ce17f05b211cf6e2c50f1dd7107556786
Modified Files
--------------
doc/src/sgml/maintenance.sgml | 42 ++++++++++++++++++++++++++++++++----------
1 file changed, 32 insertions(+), 10 deletions(-)