class MasterHelp < Comm::BaseModel::Master
  def self.find_help(table_name, col_name)
    if col_name.blank?
      return find(:first, :conditions=> ["table_name = ? AND col_name IS NULL", table_name])
    else
      return find(:first, :conditions=> ["table_name = ? AND col_name = ?", table_name, col_name])
    end
  end
end