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* 누구나 쿼리를 최적화 할 수 있습니다. 나는이 쿼리를 streamsets라고 불리는 ETL에서 사용하고 있는데, 매우 느린 streamets pipleline을 실행할 때 6 분 동안 70 개의 레코드를 생성한다. 우리는 SSIS 패키지에서이 쿼리를 가져 와서 왼쪽 외부 조인을 사용하여 각 테이블에 합류한다. 이 streamsets 분당이어야 1000 개의 레코드를 가져 있도록 당신이 정말로 당신의 인덱스를 알고있는 테이블과 부속 선택에 가입하면 나는 *SQl 쿼리 최적화
SELECT [FR].[ORDER_ID]
, [FR].[FULFILLMENT_REQUEST_ID]
, [SR].[SCREENING_RESULT_ID]
, [AT].[AG_TASK_ID]
, [RCC].[RESULT_CRIM_CASE_ID]
, [RCC].[RESULT_CRIM_CHARGE_ID]
, [FR].[JURISDICTION_ID]
, [COUNTY] = CASE WHEN [FR].[PRODUCT_ID] = 2 THEN [JC].[COUNTY_NAME] ELSE '' END
, [STATE] = CASE WHEN [FR].[PRODUCT_ID] = 2 THEN [JC].[STATE_A2_CD] ELSE [JS].[STATE_A2_CD] END
, [JT].[JURISDICTION_TYPE_NAME]
, [FR].[PRODUCT_ID]
, [P].[PRODUCT_NAME]
, [FR].[ORGANIZATION_ID]
, [O].[ORGANIZATION_NAME]
, [SA].[SALARY_RANGE]
, [AGE] = YEAR(GETDATE()) - YEAR([FR].[SUBJECT_DOB])
, [FR].[SUBJECT_JOB_COUNTRY]
, [FR].[SUBJECT_JOB_STATE]
, [FR].[ENTRY_DATE]
, [FR].[CREATION_DATE]
, [FR].[CLOSED_DATE]
, [FR].[EXTERNAL_USER_ID]
, [FR].[GENDER_CODE_ID]
, [GC].[GENDER_CODE_VALUE]
, [AT].[DATA_SOURCE]
, [SU].[RESEARCHER_CLASS]
, [TT].[TASK_TYPE]
, [TT].[TASK_DESCRIPTION]
, [RCC].[CHARGE_DESCRIPTION]
, [RCC].[DISPOSITION_DESCRIPTION]
, [P].[GENERAL_LEDGER_NBR]
, [O].[SCHEME_AGENCY_ID]
, [RT].[RESULT_TYPE_ID]
, [RT].[RESULT_CATEGORY]
, [RT].[RESULT_TYPE]
, [SU].[USER_ID]
,FR.AG_STATUS_ID
, [SCREENING_REFERENCE_ID]=CAST(LEFT([FR].[SCREENING_REFERENCE_ID],250) AS VARCHAR(8000))
,[P1].POD_NAME
, ATH.AG_TASK_HISTORY_ID
,ATH.TASK_STATUS TASK_HISTORY_STATUS
, ATH.AG_TASK_DATE TASK_HISTORY_DATE
,[TT].[TASK_TYPE_ID]
,ATH.MODIFIED_BY_SYSTEM_USER_ID
,ATH.CF_SYSTEM_USER_ID
,'' AS [STATUS NOTES]
, FR.SCOPE_OF_SEARCH
, SR.COMMONNAMFLAG
,CASE WHEN SU.RESEARCHER_CLASS = 'EXTERNAL' THEN SU.[USER_ID] END AS VENDOR
, CASE [TT].TASK_TYPE_ID WHEN 14 THEN 'SD IN' WHEN 15 THEN 'MR' WHEN 1 THEN 'ER' END AS [REQUIRED_ACTION]
, CASE
WHEN [TT].TASK_TYPE_ID = 1 THEN
CASE ATH.TASK_STATUS
WHEN 'DOCUMENTUPLOADED' THEN 'FMT RECORD ENTRY'
WHEN 'ACKNOWLEDGED' THEN 'SEARCHES'
WHEN 'AWAITINGHITENTRY' THEN 'AWAITING HIT'
WHEN 'DISPUTE' THEN 'AWAITING HIT'
WHEN 'DOUBLEENTERRESULTS' THEN 'AWAITING HIT'
WHEN 'NEW' THEN 'SEARCHES'
WHEN 'SOURCEUNAVAILABLE' THEN 'SEARCHES'
WHEN 'UPLOADED' THEN 'SEARCHES'
END
WHEN [TT].TASK_TYPE_ID = 15 THEN
CASE ATH.TASK_STATUS
WHEN 'DISPUTE' THEN 'QC'
WHEN 'DOCUMENTUPLOADED' THEN 'QC'
WHEN 'DOUBLESMARTDATAREVIEW' THEN 'QC'
WHEN 'MANUALREVIEW' THEN 'QC'
END
WHEN [TT].TASK_TYPE_ID = 14 THEN
CASE ATH.TASK_STATUS
WHEN 'DISPUTE' THEN 'QC'
WHEN 'INFONEEDED' THEN 'QC'
WHEN 'INFOPROVIDED' THEN 'QC'
WHEN 'INFONEEDEDACK' THEN 'QC'
WHEN 'NEW' THEN 'QC'
WHEN 'SDINFONEEDED' THEN 'CD COMPLIANCE'
END
END AS [AOM STATUS]
, CASE
WHEN [TT].TASK_TYPE_ID = 1 AND
ATH.TASK_STATUS = 'DOCUMENTUPLOADED' AND
ATH.MODIFIED_BY_SYSTEM_USER_ID IS NOT NULL AND
ATH.CF_SYSTEM_USER_ID IS NOT NULL THEN 'ER DOCUMENT UPLOADED COMPLETE'
WHEN [TT].TASK_TYPE_ID = 14 AND
ATH.TASK_STATUS = 'INFONEEDED' THEN 'SD INFO NEEDED INFO NEEDED DATA'
WHEN [TT].TASK_TYPE_ID = 1 AND SU.RESEARCHER_CLASS = 'INTERNAL' AND
FR.AG_STATUS_ID NOT IN (152) THEN 'ER INTERNAL'
WHEN [TT].TASK_TYPE_ID = 1 AND
ATH.TASK_STATUS = 'AWAITINGHITENTRY' AND
ATH.MODIFIED_BY_SYSTEM_USER_ID IS NOT NULL AND
ATH.CF_SYSTEM_USER_ID IS NOT NULL AND
ATH.MODIFIED_BY_SYSTEM_USER_ID = ATH.CF_SYSTEM_USER_ID THEN 'ER AWAITING HIT ENTRY DATA'
WHEN [TT].TASK_TYPE_ID = 14 THEN 'SD INFO NEEDED DATA'
WHEN [TT].TASK_TYPE_ID = 15 AND
ATH.TASK_STATUS = 'INFONEEDED' THEN 'MR INFO NEEDED'
END AS AG_OPS_STATUS
, FR.EXTERNAL_ORDER_ID
, AOT.OTD
, drv_pod_name=[P1].POD_NAME
, TAT_IN_MIN= Case when TAT_IN_MIN < 0 then 0 else TAT_IN_MIN end
, SU2.USER_ID CF_SYS_USER
, SU3.USER_ID MODIFIED_SYS_USER
, GETDATE() GET_DATE
FROM AG_TASK_HISTORY [ATH] LEFT OUTER JOIN
(
(
(
(
(
(
(
(
(
SELECT [ORDER_ID] ,[FULFILLMENT_REQUEST_ID],[JURISDICTION_ID],[PRODUCT_ID],[ORGANIZATION_ID],[SUBJECT_DOB],[SUBJECT_JOB_COUNTRY],[SUBJECT_JOB_STATE],[ENTRY_DATE],[CREATION_DATE],[CLOSED_DATE],[EXTERNAL_USER_ID],[GENDER_CODE_ID],AG_STATUS_ID,[SCREENING_REFERENCE_ID],SCOPE_OF_SEARCH,EXTERNAL_ORDER_ID,POD_ID,[SALARY_RANGE_ID],[JURISDICTION_TYPE]
FROM [FULFILLMENT_REQUEST]
) FR
LEFT JOIN
(
(SELECT [SCREENING_RESULT_ID],[RESULT_TYPE_ID],[FULFILLMENT_REQUEST_ID],COMMONNAMFLAG FROM [SCREENING_RESULT])[SR]
INNER JOIN [DBO].[RESULT_TYPE] [RT]
ON [RT].[RESULT_TYPE_ID] = [SR].[RESULT_TYPE_ID]
)
ON [SR].[FULFILLMENT_REQUEST_ID] = [FR].[FULFILLMENT_REQUEST_ID]
)
INNER JOIN [PRODUCT] [P]
ON [P].[PRODUCT_ID] = [FR].[PRODUCT_ID]
INNER JOIN [ORGANIZATION] [O]
ON [O].[ORGANIZATION_ID] = [FR].[ORGANIZATION_ID]
LEFT JOIN(
(SELECT [AG_TASK_ID],[DATA_SOURCE],[TASK_TYPE_ID],[FULFILLMENT_REQUEST_ID],[SYSTEM_USER_ID] FROM [AG_TASK]) [AT]
INNER JOIN [TASK_TYPE] [TT]
ON [TT].[TASK_TYPE_ID] = [AT].[TASK_TYPE_ID]
)
ON [AT].[FULFILLMENT_REQUEST_ID] = [FR].[FULFILLMENT_REQUEST_ID])
LEFT OUTER JOIN (
(SELECT [RESULT_CRIM_CASE_ID],[SCREENING_RESULT_ID] FROM [RESULT_CRIM_CASE])[RC]
INNER JOIN (SELECT [RESULT_CRIM_CASE_ID],[RESULT_CRIM_CHARGE_ID],[CHARGE_DESCRIPTION],[DISPOSITION_DESCRIPTION] FROM [RESULT_CRIM_CHARGE]) [RCC]
ON [RCC].[RESULT_CRIM_CASE_ID] = [RC].[RESULT_CRIM_CASE_ID]
)
ON [SR].[SCREENING_RESULT_ID] = [RC].[SCREENING_RESULT_ID]
)
)
LEFT JOIN [SYSUSER] [SU]
ON [SU].[SYSTEM_USER_ID] = [AT].[SYSTEM_USER_ID]
LEFT OUTER JOIN [SALARY_RANGE] [SA]
ON [SA].[SALARY_RANGE_ID] = [FR].[SALARY_RANGE_ID]
)
LEFT OUTER JOIN [JURISDICTION_TYPE] [JT]
ON [JT].[JURISDICTION_TYPE_ID] = [FR].[JURISDICTION_TYPE]
)
LEFT OUTER JOIN [GENDER_CODE] [GC]
ON [GC].[GENDER_CODE] = [FR].[GENDER_CODE_ID]
)
LEFT OUTER JOIN [JURISDICTION_COUNTY] [JC]
ON [JC].[JURISDICTION_ID] = [FR].[JURISDICTION_ID]
LEFT OUTER JOIN [JURISDICTION_STATE] [JS]
ON [JS].[JURISDICTION_ID] = [FR].[JURISDICTION_ID]
)
ON [ATH].AG_TASK_ID=[AT].AG_TASK_ID
LEFT OUTER JOIN [POD] [P1] ON [FR].POD_ID = [P1].POD_ID
LEFT OUTER JOIN(
SELECT *, (DATEDIFF(MINUTE, [IN_DATE], [IP_DATE]))-(DATEDIFF(WK, [IN_DATE], [IP_DATE]) * (2*24*60))-
(CASE WHEN DATENAME(DW, [IN_DATE]) = 'SUNDAY'
THEN (24*60) ELSE 0 END)
-(CASE WHEN DATENAME(DW, [IP_DATE]) = 'SATURDAY'
THEN (24*60) ELSE 0 END) TAT_IN_MIN
FROM (
SELECT FULFILLMENT_REQUEST_ID , MAX([IN_DATE]) [IN_DATE], MAX([IP_DATE]) [IP_DATE]
FROM(
SELECT AG_TASK_HISTORY.FULFILLMENT_REQUEST_ID,
CASE WHEN (AG_TASK_HISTORY.TASK_STATUS='INFONEEDED' OR AG_TASK_HISTORY.TASK_STATUS='NEW') AND (SYSUSER.RESEARCHER_CLASS='EXTERNAL' OR SU1.RESEARCHER_CLASS ='EXTERNAL')
THEN AG_TASK_HISTORY.AG_TASK_DATE END [IN_DATE],
CASE WHEN (AG_TASK_HISTORY.TASK_STATUS='INFOPROVIDED' OR AG_TASK_HISTORY.TASK_STATUS='COMPLETE' OR AG_TASK_HISTORY.TASK_STATUS='DOCUMENTUPLOADED') AND (SYSUSER.RESEARCHER_CLASS='EXTERNAL' OR SU1.RESEARCHER_CLASS ='EXTERNAL')
THEN AG_TASK_HISTORY.AG_TASK_DATE END AS [IP_DATE]
FROM AG_TASK_HISTORY
LEFT JOIN SYSUSER(NOLOCK) ON AG_TASK_HISTORY.CF_SYSTEM_USER_ID = SYSUSER.SYSTEM_USER_ID
LEFT JOIN SYSUSER(NOLOCK) SU1 ON AG_TASK_HISTORY.MODIFIED_BY_SYSTEM_USER_ID = SU1.SYSTEM_USER_ID
WHERE AG_TASK_DATE >=CAST('01-JAN-'+CAST(YEAR(GETDATE())-3 AS CHAR(4))AS DATETIME)
) A GROUP BY FULFILLMENT_REQUEST_ID
)B
)AVT
ON FR.FULFILLMENT_REQUEST_ID = AVT.FULFILLMENT_REQUEST_ID
LEFT OUTER JOIN(
SELECT *, (DATEDIFF(DAY, [IN_DATE], [IP_DATE]))-
(DATEDIFF(WK, [IN_DATE], [IP_DATE]) * (2))-
(CASE WHEN DATENAME(DW, [IN_DATE]) = 'SUNDAY' THEN 1 ELSE 0 END)
-(CASE WHEN DATENAME(DW, [IP_DATE]) = 'SATURDAY' THEN 1 ELSE 0 END) OTD
FROM
(
SELECT FULFILLMENT_REQUEST_ID , MIN(CREATION_DATE) [IN_DATE], GETDATE() [IP_DATE]
FROM FULFILLMENT_REQUEST WHERE CLOSED_DATE IS NULL AND AG_STATUS_ID NOT IN (29,134,142,152)
GROUP BY FULFILLMENT_REQUEST_ID
)B
) AOT
ON FR.FULFILLMENT_REQUEST_ID = AOT.FULFILLMENT_REQUEST_ID
LEFT OUTER JOIN SYSUSER SU2
ON ATH.CF_SYSTEM_USER_ID=SU2.SYSTEM_USER_ID
LEFT OUTER JOIN SYSUSER SU3
ON ATH.MODIFIED_BY_SYSTEM_USER_ID=SU3.SYSTEM_USER_ID
WHERE SU.RESEARCHER_CLASS='EXTERNAL' AND (AVT.TAT_IN_MIN >0 OR AOT.[IP_DATE] IS NULL)
AND ATH.AG_Task_Date >=' 2017-07-07 09:02:23.050'