added artists, comments

db/migrate/20100213183712_create_comment_votes.rb

@@ -0,0 +1,15 @@
+class CreateCommentVotes < ActiveRecord::Migration
+  def self.up
+    create_table :comment_votes do |t|
+      t.column :comment_id, :integer, :null => false
+      t.column :user_id, :integer, :null => false
+      t.timestamps
+    end
+    
+    add_index :comment_votes, :user_id
+  end
+
+  def self.down
+    drop_table :comment_votes
+  end
+end