Robert Haas b59d2fe497 Add pg_opfamily_is_visible.
We already have similar functions for many other object types, including
operator classes, so it seems like we should have this one, too.

Extracted from a larger patch by Josh Kupershmidt
2011-07-17 23:23:55 -04:00
..
2011-07-17 23:23:55 -04:00
2011-06-11 17:46:49 -04:00
2011-03-28 22:56:52 +03:00
2008-08-21 20:15:31 +00:00