From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Mon, 19 Feb 2007 07:06:38 +0000 (+0000)
Subject: removed not-always-applicable check for "polymorphic_identity"
X-Git-Tag: rel_0_3_5~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3055fe4ac3631761ad227ea2ea3111834fd2a7a;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

removed not-always-applicable check for "polymorphic_identity"
---

diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py
index 18c4c3acb8..4a46cc7d87 100644
--- a/lib/sqlalchemy/orm/mapper.py
+++ b/lib/sqlalchemy/orm/mapper.py
@@ -518,8 +518,6 @@ class Mapper(object):
         or through proxying relationships. Currently, non-column properties are *not* copied.  this implies
         that a polymorphic mapper cant do any eager loading right now."""
         if self.select_table is not self.mapped_table:
-            if self.polymorphic_identity is None:
-                raise exceptions.ArgumentError("Could not locate a polymorphic_identity field for mapper '%s'.  This field is required for polymorphic mappers" % str(self))
             props = {}
             if self.properties is not None:
                 for key, prop in self.properties.iteritems():