<iftest="cla.condition!=null">and ( project_name like concat('%',#{cla.condition},'%') or experimental_class_name like concat('%',#{cla.condition},'%') )</if>
<iftest="cla.startTime!=null and cla.endTime!=null">and stop_time between #{cla.endTime} and #{cla.startTime}</if>
<!-- <if test="cla.condition!=null">and ( project_name like concat('%',#{cla.condition},'%') or experimental_class_name like concat('%',#{cla.condition},'%') )</if>-->