Upgraded papertrail to 4.0.0.beta2

db/migrate/20150122091556_create_version_associations.rb

@@ -0,0 +1,17 @@
+class CreateVersionAssociations < ActiveRecord::Migration
+  def self.up
+    create_table :version_associations do |t|
+      t.integer  :version_id
+      t.string   :foreign_key_name, :null => false
+      t.integer  :foreign_key_id
+    end
+    add_index :version_associations, [:version_id]
+    add_index :version_associations, [:foreign_key_name, :foreign_key_id], :name => 'index_version_associations_on_foreign_key'
+  end
+
+  def self.down
+    remove_index :version_associations, [:version_id]
+    remove_index :version_associations, :name => 'index_version_associations_on_foreign_key'
+    drop_table :version_associations
+  end
+end

db/migrate/20150122091557_add_transaction_id_column_to_versions.rb

@@ -0,0 +1,11 @@
+class AddTransactionIdColumnToVersions < ActiveRecord::Migration
+  def self.up
+    add_column :versions, :transaction_id, :integer
+    add_index :versions, [:transaction_id]
+  end
+
+  def self.down
+    remove_index :versions, [:transaction_id]
+    remove_column :versions, :transaction_id
+  end
+end