ORA-00936: 缺失表达式

<select id="getinsertrecord" parameterType="java.lang.String" resultMap="TimeSegPo">

SELECT <include refid="columns"/> FROM TB_DOOR_TIMESEG

WHERE

timeseg &lt; 256 and timeseg=#{timeseg} and CREATE_TIME_is null or UPDATE_TIME_ is not null

</select>

出现了oracle关键字了