46-10-105. Preliminary examination -- when held. After the initial appearance, in all cases in which the charge is triable in district court, the justice's court shall, within a reasonable time, hold a preliminary examination unless:
(1) the defendant waives a preliminary examination;
(2) the district court has granted leave to file an information;
(3) an indictment has been returned; or
(4) the case is triable in justice's court.