如何解决凌乱的 SQL 查询需要更高效
此数据拉取需要帮助。效率/性能很糟糕，我对 SQL 了解得不够多，无法让它变得更好。我正处于一个需要我快速学习 SQL 的项目的中间，但考虑到我正在考虑的时间框架，我来找你，PROS ......任何来自专业人士的想法来实现这一点为了高效？
SELECT
d.[Date] AS [Date],LEFT(CONVERT(VARCHAR,d.[Date],112),6) AS [YearMo],FORMAT(d.[Date],'MMMM') AS [Month],YEAR(d.[Date]) AS [Year],e.[MbrNo] AS [Member ID],e.[Mkt_State] AS [Mkt State],e.[Mkt] AS [Mkt Segment],COALESCE(e.[Individual_Premium_Amt],0) AS [Individual Premium],COALESCE(e.[Total_Premium_Amt],0) AS [Total Premium],COALESCE(v.[Inpatient_Pd],0) AS [Inpatient Pd],COALESCE(v.[Outpatient_Pd],0) AS [Outpatient Pd],COALESCE(v.[Professional_Pd],0) AS [Professional Pd],COALESCE(v.[Other_Pd],0) AS [Other Pd],COALESCE(v.[Med_Pd],0) AS [Med Pd],COALESCE(SUM(v.[Med_Pd]) OVER (PARTITION BY e.[MbrNo],YEAR(d.[Date])),0) AS [Total Med Pd YTD],COALESCE(v.[Med_Allowed],0) AS [Med Allowed],COALESCE(v.[Rx_Pd],0) AS [Rx Pd],COALESCE(SUM(v.[Rx_Pd]) OVER (PARTITION BY e.[MbrNo],0) AS [Total RX Pd YTD],COALESCE(v.[Rx_Allowed],0) AS [Rx Allowed],COALESCE(v.[Med_RX_Pd],0) AS [Med Rx Pd],COALESCE(SUM(v.[Med_Pd] + v.[Rx_Pd]) OVER (PARTITION BY e.[MbrNo],YEAR(d.[Date])
ORDER BY e.[MbrNo],6) ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW),0) AS [RS Med Rx Pd],YEAR(d.[Date]))
+ SUM(v.[Rx_Pd]) OVER (PARTITION BY e.[MbrNo],0) AS [Total Pd YTD],COALESCE(v.[Med_RX_Allowed],0) AS [Med Rx Allowed],CASE
WHEN ((SUM(v.[Med_Pd] + v.[Rx_Pd]) OVER (PARTITION BY e.[MbrNo],YEAR(d.[Date]))) > rr.[Recover_Threshold])
THEN ((SUM(v.[Med_Pd] + v.[Rx_Pd]) OVER (PARTITION BY e.[MbrNo],YEAR(d.[Date])) - rr.[Recover_Threshold]))
ELSE 0
END AS [Recoverable Amt],SUM(1.0) OVER (PARTITION BY e.[MbrNo],YEAR(d.[Date])) AS [MM (Yearly)],YEAR(d.[Date])) - rr.[Recover_Threshold]))
/ SUM(1.0) OVER (PARTITION BY e.[MbrNo],YEAR(d.[Date]))
ELSE 0
END AS [Recoverable Amtv2],COALESCE(rr.[Members],0) AS [Members],COALESCE(rr.[MM],0) AS [MM],COALESCE(rr.[Rx_Rebates],0) AS [Rx Rebates],COALESCE(rr.[RA_PMPM],0) AS [RA PMPM],COALESCE(rr.[RA_Payable],0) AS [RA Payable],COALESCE(rr.[Pd_Threshold],0) AS [SR Pd Threshold],COALESCE(rr.[Recover_Threshold],0) AS [SR Recover Threshold],COALESCE(rr.[CF_Inpatient_PMPM],0) AS [CF IP PMPM],COALESCE(rr.[CF_Outpatient_PMPM],0) AS [CF OP PMPM],COALESCE(rr.[CF_Professional_PMPM],0) AS [CF PROF PMPM],COALESCE(rr.[CF_RX_PMPM],0) AS [CF RX PMPM],COALESCE(rr.[CF_Med_PMPM],0) AS [CF Med PMPM],COALESCE(SUM(rr.[CF_RX_PMPM])+(rr.[CF_Med_PMPM]),0) AS [CF Med_Rx PMPM]
FROM -- Date Scaffold - Each month starting 20170101 to the current GETDATE() month
(SELECT
DATEADD(MONTH,number,'20190101') AS [Date],EOMONTH(DATEADD(MONTH,'20190101')) AS [EOM Date]
FROM MASTER..[spt_values]
WHERE TYPE='P'
AND DATEADD(MONTH,'20190101') <= GETDATE()
) AS d
INNER JOIN -- Join Med enrollment for each month to the date scaffold,creating the membermonths format
(SELECT
e.*
FROM [SomeDB].[dbo].[sometable] AS e
WHERE [benefitType]=930700000
AND e.[LOB]='Commercial'
AND e.[Segment_Cancelled]<>'Yes'
AND e.[Mbr_Status]<>'Pending Binder Payment'
AND e.[MbrNo]<>0
) AS e
ON e.[Start_Date]<=d.[Date] AND e.[End_Date]>=d.[EOM Date]
LEFT JOIN
(SELECT
c.[YEARMO],c.[MEMBERID],SUM(CASE WHEN c.[UTILGRP]='INPATIENT' THEN c.[Pd] ELSE 0 END) AS [Inpatient_Pd],SUM(CASE WHEN c.[UTILGRP]='OUTPATIENT' THEN c.[Pd] ELSE 0 END) AS [Outpatient_Pd],SUM(CASE WHEN c.[UTILGRP]='PROFESSIONAL' THEN c.[Pd] ELSE 0 END) AS [Professional_Pd],SUM(CASE WHEN [UTILGRP]='OTHER' THEN c.[Pd] ELSE 0 END) AS [Other_Pd],SUM(CASE WHEN c.[CLAIMTYPE]='Med' THEN c.[Pd] ELSE 0 END) AS [Med_Pd],SUM(CASE WHEN c.[CLAIMTYPE]='Med' THEN c.[ALLOWED] ELSE 0 END) AS [Med_Allowed],SUM(CASE WHEN c.[CLAIMTYPE]='Pharmacy' THEN c.[Pd] ELSE 0 END) AS [Rx_Pd],SUM(CASE WHEN c.[CLAIMTYPE]='Pharmacy' THEN c.[ALLOWED] ELSE 0 END) AS [Rx_ALlowed],SUM(CASE WHEN c.[CLAIMTYPE]='Med' OR c.[CLAIMTYPE]='Pharmacy' THEN c.[Pd] ELSE 0 END) AS [Med_RX_Pd],SUM(CASE WHEN c.[CLAIMTYPE]='Med' OR c.[CLAIMTYPE]='Pharmacy' THEN c.[ALLOWED] ELSE 0 END) AS [Med_RX_Allowed]
FROM [SomeDB].[dbo].[SomeTable] AS c
WHERE c.[MbrNo] <> 0
AND c.[CLAIMLINESTATUS] NOT IN ('D','V')
AND c.[LOB]='IND'
GROUP BY c.[YearMo],c.[MbrNo]
) AS v
ON e.[MbrNo]=v.[MbrNo] AND LEFT(CONVERT(VARCHAR,6)=v.[YearMo]
LEFT JOIN [SomeDB].[dbo].[SomeTable] AS rr
ON e.[Mkt_Segment]=rr.[Mkt_Segment] AND LEFT(CONVERT(VARCHAR,6)=rr.[YearMo]
GROUP BY d.[Date],e.[MbrNo],e.[Mkt_State],e.[Mkt_Segment],e.[Individual_Premium_Amt],e.[Total_Premium_Amt],v.[Inpatient_Pd],v.[Outpatient_Pd],v.[Professional_Pd],v.[Other_Pd],v.[Med_Pd],v.[Med_Allowed],v.[Rx_Pd],v.[Rx_Allowed],v.[Med_RX_Pd],v.[Med_RX_Allowed],rr.[Members],rr.[MM],rr.[Rx_Rebates],rr.[RA_PMPM],rr.[RA_Payable],rr.[Pd_Threshold],rr.[Recover_Threshold],rr.[CF_Inpatient_PMPM],rr.[CF_Outpatient_PMPM],rr.[CF_Professional_PMPM],rr.[CF_RX_PMPM],rr.[CF_Med_PMPM]
解决方法
我会将所有 0 语句（通常不是 SARGable）替换为可 Sargable 的 >0 语句。
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