- add class_ to AliasedInsp

- redefine inspect(Class.attrname).parent to be always an inspectable
target; either Mapper or AliasedInsp
- add most major features to 08 migration, document, link

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/sqlalchemy/orm/util.py b/lib/sqlalchemy/orm/util.py
index fb4197c58..cf3238b15 100644
--- a/lib/sqlalchemy/orm/util.py
+++ b/lib/sqlalchemy/orm/util.py
@@ -581,11 +581,20 @@ class AliasedInsp(_InspectionAttr, AliasedInsp):
     * ``polymorphic_on`` - an alternate column or SQL expression which
       will be used as the "discriminator" for a polymorphic load.
 
+    .. seealso::
+
+        :ref:`inspection_toplevel`
+
     """
 
     is_aliased_class = True
     "always returns True"
 
+    @property
+    def class_(self):
+        """Return the mapped class ultimately represented by this
+        :class:`.AliasedInsp`."""
+        return self.mapper.class_
 
 inspection._inspects(AliasedClass)(lambda target: target._aliased_insp)