无法提高查询性能

毅力

我有一个查询,如下所示,这大约需要10分钟才能运行,我必须对其进行优化。我尝试了一下,但无法提高其性能。任何帮助都非常感谢

SELECT  ISNULL(OX.intStore, DX.intStore) AS sStore
    ,   OX.dtmCreatedDate
    ,   ISNULL(OX.strBarcode, ISNULL(DX.strClientText, DX.FirstBarCode)) AS sBarcode
    ,   ISNULL(OX.strAreaName, DX.strAreaName) AS sArea
    ,   ISNULL(OX.strDesc, 'N/F') AS sDesc
    ,   ISNULL(OX.czBrand, 'N/F') AS sBrand
    ,   ISNULL(OX.decCost, 0) AS nCost
    ,   ISNULL(DX.SumQty, 0) AS nHT_Unit
    ,   ISNULL(OX.fltQty, 0) AS nOH_Unit
    ,   (ISNULL(DX.SumQty, 0) * ISNULL(OX.decCost, 0)) AS nEXTCost
    ,   (ISNULL(OX.fltQty, 0) * ISNULL(OX.decCost, 0)) AS nOH_EXTCost
    ,   (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) AS nVarUnit
    ,   (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) * ISNULL(OX.decCost, 0) AS nVarCost
FROM
(
    SELECT DISTINCT OH.intStore
                ,   OH.strBarcode
                ,   SA.intAreaGrp
                ,   OH.strDesc
                ,   OH.czBrand
                ,   OH.decCost
                ,   AG.strAreaName
                ,   OH.fltQty
                ,   OH.dtmCreatedDate
    FROM tblOnHand AS OH
    LEFT JOIN dbo.tblStickerAreas AS SA ON (OH.intArea = SA.intAreaNo)
    LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
) AS OX
FULL OUTER JOIN
(
    SELECT  DT.intStore
        ,   DT.strClientText
        ,   SA.intAreaGrp
        ,   AG.strAreaName
        ,   SUM(DT.fltQty) SumQty
        ,   MIN(DT.strBarCode) FirstBarCode
    FROM dbo.tblDetail AS DT
    JOIN dbo.tblSticker AS SK ON (DT.intStore = SK.intStore 
        AND DT.intStickerNo = SK.intStickerNo 
        AND DT.dtmstickerdate = SK.dtmstickerdate 
        AND SK.strrescansw = 'N')
    LEFT JOIN dbo.tblStickerAreas AS SA ON (SK.intAreaNo = SA.intAreaNo)
    LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
    --WHERE strrescansw = 'N'
    GROUP BY
            DT.intStore
        ,   DT.strClientText
        ,   SA.intAreaGrp
        ,   AG.strAreaName
) AS DX ON OX.intStore = DX.intStore AND OX.strBarcode = DX.strClientText

该表和索引是

CREATE TABLE [dbo].[tblAreaGrp](
    [intAreaGrp] [int] NULL,
    [strAreaName] [char](20) NULL,
    [ID] [int] IDENTITY(1,1) NOT FOR REPLICATION NOT NULL,
 CONSTRAINT [PK_tblAreaGrp] PRIMARY KEY CLUSTERED 
(
    [ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblDetail](
    [intStore] [int] NOT NULL,
    [intStickerNo] [int] NOT NULL,
    [dtmStickerDate] [datetime] NOT NULL,
    [intLineNum] [smallint] NOT NULL,
    [strBarcode] [char](14) NULL,
    [intBarcodeLength] [tinyint] NULL,
    [intBarcodeType] [tinyint] NULL,
    [strBarcodeEntrySW] [char](1) NULL,
    [strBarcodeSW] [char](1) NULL,
    [fltQty] [float] NULL,
    [fltPrice] [decimal](19, 4) NULL,
    [strPriceSW] [char](1) NULL,
    [strQtySW] [char](1) NULL,
    [strAddSW] [char](1) NULL,
    [strDeleteSW] [char](1) NULL,
    [strPTCCode1] [char](1) NULL,
    [strPTCCode2] [char](1) NULL,
    [strPTCCode3] [char](1) NULL,
    [strPTCCode4] [char](1) NULL,
    [strPTCCode5] [char](1) NULL,
    [strInternalUseOnly] [char](1) NULL,
    [strMiscText] [varchar](50) NULL,
    [strClientText] [varchar](50) NULL,
    [strSKU] [char](14) NULL,
    [intSKULength] [tinyint] NULL,
    [intSKUType] [tinyint] NULL,
    [fltOldQty] [float] NULL,
    [blnVerifyNOF] [bit] NULL,
    [blnVerifyTS] [bit] NULL,
    [blnNOF] [bit] NULL,
    [EnteredValue] [varchar](30) NULL,
    [AcceptedValue] [varchar](30) NULL,
    [MasterFileValue] [varchar](30) NULL,
    [QuantityEntered] [int] NULL,
    [intSku] [int] NULL,
    [intUpc] [bigint] NULL,
    [Description] [varchar](50) NULL,
    [SerialNumber] [varchar](30) NULL,
    [MFQuantity] [varchar](10) NULL,
    [InvoiceFlag] [varchar](10) NULL,
    [CancelFlag] [varchar](10) NULL,
 CONSTRAINT [PK_tblDetail] PRIMARY KEY NONCLUSTERED 
(
    [intStore] ASC,
    [intStickerNo] ASC,
    [dtmStickerDate] ASC,
    [intLineNum] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblOnHand](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [intStore] [int] NULL,
    [intArea] [int] NOT NULL,
    [strBarcode] [varchar](25) NOT NULL,
    [strDesc] [varchar](25) NOT NULL,
    [fltQty] [float] NOT NULL,
    [decCost] [decimal](19, 4) NOT NULL,
    [czLocation] [varchar](100) NULL,
    [czLocCode] [varchar](100) NULL,
    [czPartNum] [varchar](100) NULL,
    [czPartDesc] [varchar](200) NULL,
    [czBrand] [varchar](200) NULL,
    [czCategory] [varchar](200) NULL,
    [czSEB] [varchar](200) NULL,
    [czLastRec] [varchar](100) NULL,
    [czWAC] [varchar](100) NULL,
    [czExtWAC] [varchar](100) NULL,
    [dtmCreatedDate] [datetime] NOT NULL,
PRIMARY KEY CLUSTERED 
(
    [ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblSticker](
    [intStore] [int] NOT NULL,
    [intStickerNo] [int] NOT NULL,
    [dtmStickerDate] [datetime] NOT NULL,
    [strRescanSW] [char](1) NOT NULL,
    [intCorrectionID] [int] NULL,
    [intSessionNo] [int] NULL,
    [strCorrectionStatus] [char](1) NULL,
    [strEmptyStatus] [char](1) NULL,
    [intLastLineNo] [smallint] NULL,
    [fltTotalUnits] [float] NULL,
    [fltTotalValue] [decimal](19, 4) NULL,
    [strDeductionSW] [char](1) NULL,
    [intDeviceNo] [int] NULL,
    [intAreaNo] [int] NULL,
    [dtmAreaStartDate] [datetime] NULL,
    [dtmTeamStartDate] [datetime] NULL,
    [dtmTeamPrintedDate] [datetime] NULL,
    [strTeamNo] [char](9) NULL,
    [strSessionNo] [char](3) NULL,
    [strTeamTrainingSW] [char](1) NULL,
    [dtmFixtureStartDate] [datetime] NULL,
    [dtmFixtureEndDate] [datetime] NULL,
    [strFixtureEcsCode] [char](1) NULL,
    [strHHRecordTypeSW] [char](1) NULL,
    [strFixtureTrainingSW] [char](1) NULL,
    [strEmptyFixtureSW] [char](1) NULL,
    [strCorrectionStatus2] [char](1) NULL,
    [strMiscText] [varchar](50) NULL,
    [strClientMisc1] [char](1) NULL,
    [strClientMisc2] [char](1) NULL,
    [intClientMisc1] [int] NULL,
    [intClientMisc2] [int] NULL,
    [fltClientMisc1] [float] NULL,
    [fltClientMisc2] [float] NULL,
    [strClientText] [varchar](50) NULL,
    [blnPieceCount] [bit] NULL,
    [bitOverrideMode] [bit] NULL,
    [blnAuditMode] [bit] NULL,
    [AutoPrint] [bit] NOT NULL,
    [AutoPrintDate] [datetime] NULL,
 CONSTRAINT [PK_tblSticker] PRIMARY KEY NONCLUSTERED 
(
    [intStore] ASC,
    [intStickerNo] ASC,
    [dtmStickerDate] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblStickerAreas](
    [intAreaFlag] [tinyint] NOT NULL,
    [intAreaNo] [tinyint] NOT NULL,
    [strAreaName] [varchar](20) NOT NULL,
    [blnAllAreas] [bit] NOT NULL,
    [intAreaGrp] [int] NULL
) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [IX_StoreClientText] ON [dbo].[tblDetail]
(
    [intStore] ASC,
    [strClientText] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [IDX_CreatedDate] ON [dbo].[tblOnHand]
(
    [dtmCreatedDate] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
GO
SET ANSI_PADDING ON
GO
CREATE NONCLUSTERED INDEX [IDX_intArea] ON [dbo].[tblOnHand]
(
    [intArea] ASC
)
INCLUDE (   [intStore],
    [strBarcode],
    [strDesc],
    [fltQty],
    [decCost],
    [czBrand],
    [dtmCreatedDate]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [IDX_StoreAreaBar] ON [dbo].[tblOnHand]
(
    [intStore] ASC,
    [intArea] ASC,
    [strBarcode] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [_dta_index_tblSticker_204_2025058250__K4_K1_K2_K3_K14] ON [dbo].[tblSticker]
(
    [strRescanSW] ASC,
    [intStore] ASC,
    [intStickerNo] ASC,
    [dtmStickerDate] ASC,
    [intAreaNo] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]

CREATE NONCLUSTERED INDEX [IDX_intAreaNo] ON [dbo].[tblStickerAreas]
(
    [intAreaNo] ASC
)
INCLUDE (   [strAreaName]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
皮匠

您可以做的一个非常快速的测试是将其修改为使用临时表。这可能会或可能不会有太大影响,但这是一个可以尝试的快速测试。

SELECT DISTINCT OH.intStore
            ,   OH.strBarcode
            ,   SA.intAreaGrp
            ,   OH.strDesc
            ,   OH.czBrand
            ,   OH.decCost
            ,   AG.strAreaName
            ,   OH.fltQty
            ,   OH.dtmCreatedDate
INTO #TEMP_OX
FROM tblOnHand AS OH
LEFT JOIN dbo.tblStickerAreas AS SA ON (OH.intArea = SA.intAreaNo)
LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)

SELECT  DT.intStore
    ,   DT.strClientText
    ,   SA.intAreaGrp
    ,   AG.strAreaName
    ,   SUM(DT.fltQty) SumQty
    ,   MIN(DT.strBarCode) FirstBarCode
INTO #TEMP_DX
FROM dbo.tblDetail AS DT
JOIN dbo.tblSticker AS SK ON (DT.intStore = SK.intStore 
    AND DT.intStickerNo = SK.intStickerNo 
    AND DT.dtmstickerdate = SK.dtmstickerdate 
    AND SK.strrescansw = 'N')
LEFT JOIN dbo.tblStickerAreas AS SA ON (SK.intAreaNo = SA.intAreaNo)
LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
--WHERE strrescansw = 'N'
GROUP BY
        DT.intStore
    ,   DT.strClientText
    ,   SA.intAreaGrp
    ,   AG.strAreaName

SELECT  ISNULL(OX.intStore, DX.intStore) AS sStore
    ,   OX.dtmCreatedDate
    ,   ISNULL(OX.strBarcode, ISNULL(DX.strClientText, DX.FirstBarCode)) AS sBarcode
    ,   ISNULL(OX.strAreaName, DX.strAreaName) AS sArea
    ,   ISNULL(OX.strDesc, 'N/F') AS sDesc
    ,   ISNULL(OX.czBrand, 'N/F') AS sBrand
    ,   ISNULL(OX.decCost, 0) AS nCost
    ,   ISNULL(DX.SumQty, 0) AS nHT_Unit
    ,   ISNULL(OX.fltQty, 0) AS nOH_Unit
    ,   (ISNULL(DX.SumQty, 0) * ISNULL(OX.decCost, 0)) AS nEXTCost
    ,   (ISNULL(OX.fltQty, 0) * ISNULL(OX.decCost, 0)) AS nOH_EXTCost
    ,   (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) AS nVarUnit
    ,   (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) * ISNULL(OX.decCost, 0) AS nVarCost
FROM #TEMP_OX
FULL OUTER JOIN #TEMP_DX 
     ON OX.intStore = DX.intStore AND OX.strBarcode = DX.strClientText

除此之外,如果没有更多有关模式和索引的详细信息,则很难调优此SQL。如果您可以运行查询并检查执行计划,则可以看到延迟的来源。

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