- eager loader calls select_mapper so that poly rulesets get picked up

- changed polymorph example to use a single set of outerjoins

1 files changed, 3 insertions, 10 deletions

diff --git a/examples/polymorph/polymorph.py b/examples/polymorph/polymorph.py
index 6c4f0aae6..67138b084 100644
--- a/examples/polymorph/polymorph.py
+++ b/examples/polymorph/polymorph.py
@@ -55,16 +55,9 @@ class Company(object):
         return "Company %s" % self.name
 
 
-# create a union that represents both types of joins.  
-person_join = polymorphic_union(
-    {
-        'engineer':people.join(engineers),
-        'manager':people.join(managers),
-        'person':people.select(people.c.type=='person'),
-    }, None, 'pjoin')
-
-#person_mapper = mapper(Person, people, select_table=person_join, polymorphic_on=person_join.c.type, polymorphic_identity='person')
-person_mapper = mapper(Person, people, select_table=person_join,polymorphic_on=person_join.c.type, polymorphic_identity='person')
+person_join = people.outerjoin(engineers).outerjoin(managers)
+
+person_mapper = mapper(Person, people, select_table=person_join,polymorphic_on=people.c.type, polymorphic_identity='person')
 mapper(Engineer, engineers, inherits=person_mapper, polymorphic_identity='engineer')
 mapper(Manager, managers, inherits=person_mapper, polymorphic_identity='manager')