Added rate_id to the time_entries table

db/migrate/003_add_rate_id_to_time_entries.rb

@@ -0,0 +1,11 @@
+class AddRateIdToTimeEntries < ActiveRecord::Migration
+  def self.up
+    add_column :time_entries, :rate_id, :integer
+    add_index :time_entries, :rate_id
+  end
+
+  def self.down
+    remove_index :time_entries, :rate_id
+    remove_column :time_entries, :rate_id
+  end
+end