Okla. Stat. tit. 22 § 1089.1
The State of Oklahoma, by and through the district attorney or Attorney General, shall have the right to appeal an adverse ruling or order of a magistrate sustaining a motion to suppress evidence, quashing an information, sustaining a plea to the jurisdiction of the court, failing to find prosecutive merit in a hearing pursuant to Section 2-2-403 of Title 10A of the Oklahoma Statutes, sustaining a demurrer to the information, binding the defendant over for trial on a charge other than the charge for the original offense, or discharging a defendant at the preliminary examination because of insufficiency of the evidence to establish either that a crime has been committed or that there is probable cause to believe that the accused has committed a felony. Such an appeal shall be taken in accordance with the procedures provided in this act.
Okla. Stat. tit. 22, § 1089.1