package jnpf.tmsMapper; import com.baomidou.mybatisplus.core.mapper.BaseMapper; import jnpf.tmsEntity.TmsCourseEntity; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Param; import org.apache.ibatis.annotations.Select; @Mapper public interface TmsCourseMapper extends BaseMapper { @Select("SELECT MAX(course_no) FROM tms_course WHERE course_no LIKE CONCAT(#{prefix}, '%') AND (f_delete_mark = 0 OR f_delete_mark IS NULL)") String selectMaxCourseNo(@Param("prefix") String prefix); }