diff --git a/lib/ambition.rb b/lib/ambition.rb
index a268c78..1d6bc1a 100644
--- a/lib/ambition.rb
+++ b/lib/ambition.rb
@@ -10,5 +10,7 @@ require 'ambition/sort_processor'
 require 'ambition/simple_processor'
 require 'ambition/query'
 require 'ambition/database_statements'
+require 'ambition/scoped_context'
 
 ActiveRecord::Base.extend Ambition::API
+ActiveRecord::Base.extend Ambition::API::ScopedContext
diff --git a/lib/ambition/query.rb b/lib/ambition/query.rb
index 45fe597..a57adad 100644
--- a/lib/ambition/query.rb
+++ b/lib/ambition/query.rb
@@ -8,6 +8,10 @@ module Ambition
       @clauses    = []
     end
 
+    def clauses
+      @clauses || []
+    end
+
     def add(clause) 
       @clauses << clause
       self
@@ -27,6 +31,11 @@ module Ambition
       ret
     end
 
+    def merge!(other_context)
+      @clauses += other_context.clauses
+      self
+    end
+
     def to_hash
       keyed = keyed_clauses
       hash  = {}