Update visibilitymap.c header comments.

Robert Haas <rhaas@postgresql.org>

Commit: fae54e4a168f9da517be38723fa5f4b7cfeb59c9
Author: Robert Haas <rhaas@postgresql.org>
Date: 2011-10-29T18:46:59Z
Releases: 9.2.0
Update visibilitymap.c header comments.

Recent work on index-only scans left this somewhat out of date.

Files

PathChange+/−
src/backend/access/heap/visibilitymap.c modified +17 −16