Oracel

SELECT SEQ.nextval
        FROM dual
        CONNECT BY ROWNUM <= #{batchSize}

<insert id="batchSave">
        INSERT INTO NOTIFY_BREED(id, notify_id, breed_id)
        <foreach collection="dataSet" open="(" item="item" separator=" union " index="index" close=")">
            SELECT
            #{item.id},
            #{item.notifyId},
            #{item.breedId}
            FROM DUAL
        </foreach>
    </insert>