mysql on duplicate key update 和 insert ignore into

    <insert id="insert" parameterType="Plan">
        insert into t_plan (
            `plan_id`,
            `install_id`,
            `parent_id`,
            `plan_name`,
            `credit_hour`,
            `max_hour`,
            `is_required`,
            `sort_num`,
            `explain`,
            `plan_type`,
            `zone_id`,
            `validity`,
            `create_user`,
            `create_date`,
            `update_user`,
            `update_date`
        ) values (
            #{planId},
            #{installId},
            #{parentId},
            #{planName},
            #{creditHour},
            #{maxHour},
            #{isRequired},
            #{sortNum},
            #{explain},
            #{planType},
            #{zoneId},
            #{validity},
            #{createUser},
            #{createDate},
            #{updateUser},
            #{updateDate}
        )
        on duplicate key update 
            `plan_name` = values(`plan_name`),
            `credit_hour` = values(`credit_hour`),
            `sort_num` = values(`sort_num`),
            `explain` = values(`explain`)
    </insert>

    <insert id="insert" parameterType="Plan">
        insert ignore into t_plan (
            `plan_id`,
            `install_id`,
            `parent_id`,
            `plan_name`,
            `credit_hour`,
            `max_hour`,
            `is_required`,
            `sort_num`,
            `explain`,
            `plan_type`,
            `zone_id`,
            `validity`,
            `create_user`,
            `create_date`,
            `update_user`,
            `update_date`
        ) values (
            #{planId},
            #{installId},
            #{parentId},
            #{planName},
            #{creditHour},
            #{maxHour},
            #{isRequired},
            #{sortNum},
            #{explain},
            #{planType},
            #{zoneId},
            #{validity},
            #{createUser},
            #{createDate},
            #{updateUser},
            #{updateDate}
        )
    </insert>