diff --git a/edbob/pyramid/views/grid.py b/edbob/pyramid/views/grid.py
index f9f9811..ecd3871 100644
--- a/edbob/pyramid/views/grid.py
+++ b/edbob/pyramid/views/grid.py
@@ -53,6 +53,9 @@ class Grid(object):
     def __init__(self, request):
         self.request = request
 
+    def join_map(self):
+        return {}
+
     def make_filter_map(self, **kwargs):
         return filters.get_filter_map(self.mapped_class, **kwargs)
 
@@ -69,8 +72,8 @@ class Grid(object):
     def search_form(self, config):
         return filters.get_search_form(config)
 
-    def make_sort_map(self, *args):
-        return grids.get_sort_map(self.mapped_class, names=args or None)
+    def make_sort_map(self, *args, **kwargs):
+        return grids.get_sort_map(self.mapped_class, names=args or None, **kwargs)
 
     def sort_map(self):
         return self.make_sort_map()
@@ -83,11 +86,13 @@ class Grid(object):
     def grid_config(self, search, fmap):
         return self.make_grid_config(search, fmap)
 
-    def make_query(self, config):
+    def make_query(self, config, jmap=None):
+        if jmap is None:
+            jmap = self.join_map()
         smap = self.sort_map()
         q = Session.query(self.mapped_class)
-        q = filters.filter_query(q, config)
-        q = grids.sort_query(q, config, smap)
+        q = filters.filter_query(q, config, jmap)
+        q = grids.sort_query(q, config, smap, jmap)
         return q
 
     def query(self, config):
@@ -111,6 +116,9 @@ class Grid(object):
         return g
 
     def __call__(self):
+        """
+        View callable method.
+        """
 
         fmap = self.filter_map()
         config = self.search_config(fmap)