Mysql 日期大小比较

    <select id="checkTimeRepeatNum" parameterType="HomepageAdvertisement" resultType="int">
        SELECT COUNT(*) FROM qs_study_homepage_advertisement WHERE is_valid=1
        <if test="id != null "> and id != #{id}</if>
        <if test="examId != null "> AND exam_id = #{examId}</if>
        <if test="year != null "> AND year = #{year}</if>
        AND DATE_FORMAT(#{paramTime},'%Y-%m-%d %T') >= DATE_FORMAT(start_time,'%Y-%m-%d %T')
        AND DATE_FORMAT(end_time,'%Y-%m-%d %T') >= DATE_FORMAT(#{paramTime},'%Y-%m-%d %T')
    </select>

    <select id="selectLatelyUserDayScheduleByUserExtendId" resultMap="UserDayScheduleResult">
        <include refid="selectUserDayScheduleVo"/>
        WHERE user_extend_id = #{userExtendId} AND is_valid=1
        AND DATE(schedule_date) >= DATE(#{nowDate}) ORDER BY schedule_date ASC LIMIT 1
    </select>