In the case of an appeal from the decision of a mayor sitting as the judge of a mayor’s court to the appropriate municipal or county court, the municipal or county court shall set a time for the hearing of that appeal and, at that time, shall hear the witnesses under oath, and either discharge the accused, render judgment against the complainant for costs, and award execution for the costs, or order the accused to enter into a bond, for such time as may be just, to keep the peace and be of good behavior, render judgment against him for costs, and award execution for the costs.