Remove unused columns from Conferences,Venues,Events and Sponsors tables

db/migrate/20160624151257_remove_unused_photo_columns_from_venues.rb

@@ -0,0 +1,13 @@
+class RemoveUnusedPhotoColumnsFromVenues < ActiveRecord::Migration
+  def up
+    remove_column :venues, :photo_updated_at
+    remove_column :venues, :photo_file_size
+    remove_column :venues, :photo_content_type
+  end
+
+  def down
+    add_column :venues, :photo_updated_at, :datetime
+    add_column :venues, :photo_file_size, :integer
+    add_column :venues, :photo_content_type, :string
+  end
+end