DWOperations
 usp_DimChartOfAccountLoad_DupKeyCheck (Stored Procedure)
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Current Path:  DWOperations   Stored Procedures   usp_DimChartOfAccountLoad_DupKeyCheck
  Properties
Property Value
Name usp_DimChartOfAccountLoad_DupKeyCheck
Schema dbo
Is Encrypted False
Ansi Nulls Status True
Quoted Identifier Status True
Description
  Parameters
Name Data Type Direction Description
  Parent Dependencies (objects that usp_DimChartOfAccountLoad_DupKeyCheck depends on)
Name Type
Table
  Child Dependencies (objects that depend on usp_DimChartOfAccountLoad_DupKeyCheck)
Name Type
TABLE
  Extended Properties
Object Property Value
   Annotations
Object Property Value
  DDL
/****** Object: StoredProcedure [dbo].[usp_DimChartOfAccountLoad_DupKeyCheck] Script Date: 03/09/2017 17:21:49 ******/
SET ANSI_NULLS ON
SET QUOTED_IDENTIFIER ON
/* Primary Student Term Source SELECT Statement including Incremental Modifications*/
CREATE PROC [dbo].[usp_DimChartOfAccountLoad_DupKeyCheck]
AS 
SET NOCOUNT ON
-- Create in-memory table for later use within this proc
CREATE TABLE #ChartOfAccount_Dup
    (
    [YearGlAccountNumberAK] VARCHAR(29) NOT NULL
    )
-- populate table with duplicate YearGlAccountNumberAK values
INSERT INTO #ChartOfAccount_Dup
    (
    [YearGlAccountNumberAK]
    )
    select YearGlAccountNumberAK
    from Verify_dbo_DimChartOfAccount
    group by YearGlAccountNumberAK
    having COUNT(YearGlAccountNumberAK) > 1
    
--Detect duplicate records and set flag
UPDATE Verify_dbo_DimChartOfAccount
SET RowIsDuplicate = 'Y'
FROM Verify_dbo_DimChartOfAccount
WHERE YearGlAccountNumberAK
IN
 (
 select YearGlAccountNumberAK
 from #ChartOfAccount_Dup
 );
--Set RowIsSelected = N for duplicated records (detected above)
UPDATE RecordsToIgnore
SET RowIsSelected = 'N'
FROM dbo.Verify_dbo_DimChartOfAccount RecordsToIgnore
INNER JOIN
 (
 --Returns the first record for a set of duplicated ChartOfAccount
 --(as defined as minimum of surrogate key of temp table)
 SELECT YearGlAccountNumberAK, MIN(VerifyGlAccountSK) as Min_VerifyGlAccountSK
 FROM Verify_dbo_DimChartOfAccount
 WHERE YearGlAccountNumberAK in
  (
    select YearGlAccountNumberAK
    from #ChartOfAccount_Dup
  ) 
 GROUP BY YearGlAccountNumberAK 
 ) as Keeper
ON (
 Keeper.YearGlAccountNumberAK = RecordsToIgnore.YearGlAccountNumberAK
 AND
 Keeper.Min_VerifyGlAccountSK <> RecordsToIgnore.VerifyGlAccountSK
 )
WHERE RecordsToIgnore.RowIsDuplicate = 'Y';
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