mysql中的dataformat函數

<select id="listCompleted" resultType="java.util.HashMap">
        SELECT
        distinct wp.id as processinstId,DATE_FORMAT(wp.gmtCreatedOn,'%Y-%m-%d %H:%i:%s') as startDate
        ,DATE_FORMAT(wp.endDate,'%Y-%m-%d %H:%i:%s') as endDate,wp.businessId as docId,wp.gmtVersion,wp.`status` as wf_status
        ,wp.gmtCreatedOn
        ,arm.META_INFO_ as metaInfo,arm.NAME_ as `name`
        FROM
        wf_processinst wp
        LEFT JOIN act_re_model arm on arm.KEY_=wp.processDefinationKey
        WHERE
        wp.gmtCreatedBy = #{createdBy} -- 自己發起的
        <if test="categoryId!=null and categoryId!=''">
            and arm.CATEGORY_=#{categoryId}         -- 分類
        </if>
        and wp.`status` in
        <foreach item="wpStatus"  collection="wpStatusList" open="(" separator="," close=")">
            #{wpStatus}
        </foreach>    -- 狀態（Draft:草稿;Approving:審批中;Finished:審批完成;ReRequest:駁回申請人;Declined:拒絕;Canceled:撤銷;Error:錯誤;Suspend:掛起）
        order by wp.gmtCreatedOn desc                                                        -- 完成后的formkey 去哪邊找
    </select>

 

 

https://www.w3school.com.cn/sql/func_date_format.asp