Update pg_upgrade docs to mention its use in a less risk-warning way,

Bruce Momjian <bruce@momjian.us>

Commit: 49450f01eca39308989cf668f60b7c345e72fc7b
Author: Bruce Momjian <bruce@momjian.us>
Date: 2011-01-31T20:21:51Z
Releases: 9.1.0
Update pg_upgrade docs to mention its use in a less risk-warning way,
and update the pg_upgrade docs to mention its reliance on no changes to
the storage format (the later based on Robert Haas's patch).

Files

PathChange+/−
doc/src/sgml/pgupgrade.sgml modified +13 −3
doc/src/sgml/runtime.sgml modified +5 −9