Skip models with table_query for ondelete

trytond/model/modelsql.py

@@ -972,6 +972,9 @@ class ModelSQL(ModelStorage):
         foreign_keys_todelete = []
         for model_name in self.pool.object_name_list():
             model = self.pool.get(model_name)
+            if hasattr(model, 'table_query') \
+                    and model.table_query(context):
+                continue
             for field_name, field in model._columns.iteritems():
                 if isinstance(field, fields.Many2One) \
                         and field.model_name == self._name: