added ads

db/migrate/20100215224629_create_advertisements.rb

@@ -0,0 +1,20 @@
+class CreateAdvertisements < ActiveRecord::Migration
+  def self.up
+    create_table :advertisements do |t|
+      t.column :referral_url, :text, :null => false
+      t.column :ad_type, :string, :null => false
+      t.column :status, :string, :null => false
+      t.column :hit_count, :integer, :null => false, :default => 0
+      t.column :width, :integer, :null => false
+      t.column :height, :integer, :null => false
+      t.column :file_name, :string, :null => false
+      t.timestamps
+    end
+    
+    add_index :advertisements, :ad_type
+  end
+
+  def self.down
+    drop_table :advertisements
+  end
+end