Unbreak unlogged tables.

Robert Haas <rhaas@postgresql.org>

Commit: 16a6a70ea37be76b7c3757503defbbd05d2acdf1
Author: Robert Haas <rhaas@postgresql.org>
Date: 2011-07-22T20:17:34Z
Releases: 9.1.0
Unbreak unlogged tables.

I broke this in commit 5da79169d3e9f0fab47da03318c44075b3f824c5, which
was obviously insufficiently well tested.  Add some regression tests
in the hope of making future slip-ups more likely to be noticed.

Files