Merge "Malformed user access sql for postgres guest agent"

trove/guestagent/datastore/experimental/postgresql/pgutil.py

@@ -212,7 +212,7 @@ class UserQuery(object):
     def update_name(cls, old, new):
         """Query to update the name of a user."""
 
-        return "ALTER USER \"{old}\" RENAME TO '{new}'".format(
+        return "ALTER USER \"{old}\" RENAME TO \"{new}\"".format(
             old=old,
             new=new,
         )
@@ -231,7 +231,7 @@ class AccessQuery(object):
         """Query to list grants for a user."""
 
         return (
-            "SELECT datname "
+            "SELECT datname, pg_encoding_to_char(encoding), datcollate "
             "FROM pg_database "
             "WHERE datistemplate = false "
             "AND 'user {user}=CTc' = ANY (datacl)".format(user=user)