sqlserver 用 RowNumber 分组

 SELECT RECORD.[RECORD_ID]
       ,RECORD.[WORKFLOW_INFO_ID]
       ,RECORD.[FORM_CODE]
       ,RECORD.[APPLY_DATE]
       ,RECORD.[APPLY_EMP_ID]
       ,RECORD.[APPLY_EMP_NUMBER]
       ,RECORD.[APPLY_EMP_NAME_EN]
       ,RECORD.[APPLY_EMP_NAME_CN]
       ,RECORD.[APPLY_EMP_EMAIL]
       ,RECORD.[APPLY_EMP_PHONE]
       ,RECORD.[APPLY_EMP_MOBILE]
       ,RECORD.[APPLY_EMP_POSITION_CN]
       ,RECORD.[APPLY_EMP_POSITION_EN]
       ,RECORD.[APPLY_EMP_WORK_OFFICE]
       ,RECORD.[APPLY_EMP_WORK_AREA_CODE]
       ,RECORD.[APPLY_EMP_DEPT_CODE]
       ,RECORD.[APPLY_EMP_DEPT_TYPE]
       ,RECORD.[APPLY_EMP_DEPT_IS_FUNCTIONAL]
       ,RECORD.[APPLY_EMP_DEPT_NAME_CN]
       ,RECORD.[APPLY_EMP_DEPT_NAME_EN]
       ,RECORD.[APPLY_EMP_DEPT_FUNC_CODE]
       ,RECORD.[APPLY_EMP_DEPT_FUNC_CN]
       ,RECORD.[APPLY_EMP_DEPT_FUNC_EN]
       ,RECORD.[FILLER_EMP_ID]
       ,RECORD.[FILLER_EMP_NUMBER]
       ,RECORD.[FILLER_EMP_NAME_EN]
       ,RECORD.[FILLER_EMP_NAME_CN]
       ,RECORD.[FILLER_EMP_EMAIL]
       ,RECORD.[FILLER_EMP_PHONE]
       ,RECORD.[FILLER_EMP_MOBILE]
       ,RECORD.[FILLER_EMP_POSITION_CN]
       ,RECORD.[FILLER_EMP_POSITION_EN]
       ,RECORD.[FILLER_EMP_WORK_OFFICE]
       ,RECORD.[FILLER_EMP_WORK_AREA_CODE]
       ,RECORD.[FILLER_EMP_DEPT_CODE]
       ,RECORD.[FILLER_EMP_DEPT_TYPE]
       ,RECORD.[FILLER_EMP_DEPT_IS_FUNCTIONAL]
       ,RECORD.[FILLER_EMP_DEPT_NAME_CN]
       ,RECORD.[FILLER_EMP_DEPT_NAME_EN]
       ,RECORD.[FILLER_EMP_DEPT_FUNC_CN]
       ,RECORD.[FILLER_EMP_DEPT_FUNC_EN]
       ,RECORD.[FILLER_EMP_DEPT_FUNC_CODE]
       ,EMP.APPROVE_EMP_ID
       ,EMP.APPROVE_TYPE
       ,EMP.EMP_NAME_CN
       ,EMP.EMP_NAME_EN
       ,EMP.EMP_NUMBER
       ,EMP.SOURCE_EMP_NAME_CN
       ,EMP.SOURCE_EMP_NAME_EN
       ,EMP.SOURCE_EMP_NUMBER
       ,Activity.ACTIVITY_NAME --活动名称
       ,Activity.MEETING_CATEGORY_NAME
       ,Activity.MEETING_CATEGORY_CODE
       ,Activity.ACTIVITY_JOIN_NUMBER
       ,Activity.START_TIME
       ,Activity.FINISH_TIME
       ,Activity.FEE
       ,Activity.[ACTIVITY_REGION_NAME]
       ,CASE WHEN(EMP.WF_ACTIVITY_NAME IS NULL) THEN
         (CASE
          WHEN(RECORD.RECORD_STATUS=0) THEN 'Draft'
          WHEN(RECORD.RECORD_STATUS=2) THEN 'Completed'
          WHEN (RECORD.RECORD_STATUS=4) THEN 'Circulation'
          WHEN (RECORD.RECORD_STATUS=5) THEN 'Cancelled'
          WHEN (RECORD.RECORD_STATUS=7) THEN 'Suspend' ELSE 'Unknown' END)
         ELSE EMP.WF_ACTIVITY_NAME END AS CURRENT_ACTIVITY_NAME
   FROM [dbo].[TSTB_COM_MS_ITEM_RECORD] RECORD
   LEFT JOIN [dbo].FUN_MS_GetActivityInfo()  Activity
   ON RECORD.RECORD_ID = Activity.RECORD_ID
   LEFT JOIN
       (SELECT  * , ROW_NUMBER() OVER (PARTITION BY RECORD_ID ORDER BY CREATE_DATE )   AS RN  FROM  [dbo].[TSTB_COM_ITEM_RECORD_APPROVE_EMP] WHERE STATUS=1 AND APPROVE_TYPE<>2 AND WORKFLOW_PREFIX='MS')
       AS EMP   ON RECORD.RECORD_ID=EMP.RECORD_ID AND EMP.RN=1
   WHERE RECORD.STATUS=1 and RECORD.RECORD_STATUS<>5