diff --git a/CHANGELOG b/CHANGELOG
index afd9c41..8f01182 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -74,4 +74,11 @@
 - Uses python-psyco when it is available
 - Ability to perform optimizations from GUI
 - Able to (temporarily) store queries with a name
-- Mechanism to add new kind of optimizations, without having to edit all the code
\ No newline at end of file
+- Mechanism to add new kind of optimizations, without having to edit all the code
+- Implemented duplicated_select general optimization
+- Implemented down_to_unions_subtractions_intersections general optimization
+- Implemented duplicated_projection general optimization
+- Implemented selection_inside_projection general optimization
+- Implemented subsequent_renames general optimization
+- Implemented swap_rename_select general optimization
+- Implemented selection_and_product specific optimization
diff --git a/relational_gui/maingui.py b/relational_gui/maingui.py
index 3889f1a..1f8fea2 100644
--- a/relational_gui/maingui.py
+++ b/relational_gui/maingui.py
@@ -56,7 +56,8 @@ class Ui_Form(object):
             pass
     def optimize(self):
         self.undo.insert(len(self.undo),self.txtQuery.text()) #Storing the query in undo list
-        result=optimizer.general_optimize(str(self.txtQuery.text().toUtf8()))
+        
+        result=optimizer.optimize_all(str(self.txtQuery.text().toUtf8()),self.relations)
         self.txtQuery.setText(QtCore.QString.fromUtf8(result))
         
         #self.txtQuery.setText(result)