  def get_project_application(item_id)

    SqlHelper.validate_token([item_id])

    con = "(item_id=#{item_id}) and (user_id=#{self.id}) and (xtype='#{Comment::XTYPE_APPLY}')"
    begin
      comment = Comment.where(con).first
    rescue
    end

    return comment
  end
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.