Log Message:
-----------
Document new 9.0 behavior of ANALYZE on inheritance hierarchies.
In particular, note that autovacuum does not yet understand that it might
need to vacuum inheritance parents as a result of changes to the child
tables.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
analyze.sgml (r1.29 -> r1.30)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/analyze.sgml?r1=1.29&r2=1.30)