[1.0.X] Fixed a pair of bugs in determining the set of models to flush that were causing test cause failures in Oracle after [9536].

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9547 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 3 insertions, 1 deletions

diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py
index 1763bf2523..c87b823a69 100644
--- a/django/db/models/fields/related.py
+++ b/django/db/models/fields/related.py
@@ -1,4 +1,5 @@
 from django.db import connection, transaction
+from django.db.backends import util
 from django.db.models import signals, get_model
 from django.db.models.fields import AutoField, Field, IntegerField, PositiveIntegerField, PositiveSmallIntegerField, FieldDoesNotExist
 from django.db.models.related import RelatedObject
@@ -771,7 +772,8 @@ class ManyToManyField(RelatedField, Field):
         elif self.db_table:
             return self.db_table
         else:
-            return '%s_%s' % (opts.db_table, self.name)
+            return util.truncate_name('%s_%s' % (opts.db_table, self.name),
+                                      connection.ops.max_name_length())
 
     def _get_m2m_column_name(self, related):
         "Function that can be curried to provide the source column name for the m2m table"