class ChangeWikiContentsCommentsLimitTo1024 < ActiveRecord::Migration[4.2] def self.up change_column :wiki_content_versions, :comments, :string, :limit => 1024, :default => '' change_column :wiki_contents, :comments, :string, :limit => 1024, :default => '' end def self.down change_column :wiki_content_versions, :comments, :string, :limit => 255, :default => '' change_column :wiki_contents, :comments, :string, :limit => 255, :default => '' end end