DWOperations
 usp_DimTimeTypeLoad_DupKeyCheck (Stored Procedure)
  Properties
Property Value
Name usp_DimTimeTypeLoad_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_DimTimeTypeLoad_DupKeyCheck depends on)
Name Type
Table
  Child Dependencies (objects that depend on usp_DimTimeTypeLoad_DupKeyCheck)
Name Type
TABLE
  Extended Properties
Object Property Value
   Annotations
Object Property Value
  DDL
/****** Object: StoredProcedure [dbo].[usp_DimTimeTypeLoad_DupKeyCheck] Script Date: 03/09/2017 17:21:49 ******/
SET ANSI_NULLS ON
SET QUOTED_IDENTIFIER ON
CREATE PROC [dbo].[usp_DimTimeTypeLoad_DupKeyCheck]
AS 
SET NOCOUNT ON
-- Create in-memory table for later use within this proc
CREATE TABLE #TimeType_Dup
    (
    [TimeTypeAK] VARCHAR(4) NOT NULL
    )
-- populate table with duplicate TimeTypeAK values
INSERT INTO #TimeType_Dup
    (
    [TimeTypeAK]
    )
    select TimeTypeAK
    from Verify_dbo_DimTimeType
    group by TimeTypeAK
    having COUNT(TimeTypeAK) > 1
    
--Detect duplicate records and set flag
UPDATE Verify_dbo_DimTimeType
SET RowIsDuplicate = 'Y'
FROM Verify_dbo_DimTimeType
WHERE TimeTypeAK
IN
 (
 select TimeTypeAK
 from #TimeType_Dup
 );
--Set RowIsSelected = N for duplicated records (detected above)
UPDATE RecordsToIgnore
SET RowIsSelected = 'N'
FROM dbo.Verify_dbo_DimTimeType RecordsToIgnore
INNER JOIN
 (
 --Returns the first record for a set of duplicated OrgUnit
 --(as defined as minimum of surrogate key of temp table)
 SELECT TimeTypeAK, MIN(VerifyTimeTypeSK) as Min_VerifyTimeTypeSK
 FROM Verify_dbo_DimTimeType
 WHERE TimeTypeAK in
  (
    select TimeTypeAK
    from #TimeType_Dup
  ) 
 GROUP BY TimeTypeAK 
 ) as Keeper
ON (
 Keeper.TimeTypeAK = RecordsToIgnore.TimeTypeAK
 AND
 Keeper.Min_VerifyTimeTypeSK <> RecordsToIgnore.VerifyTimeTypeSK
 )
WHERE RecordsToIgnore.RowIsDuplicate = 'Y';
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