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    <p>Setup our schema and tables for testing</p> <pre><code>SET NOCOUNT ON IF OBJECT_ID('TempTable', 'U') IS NOT NULL DROP TABLE TempTable; IF OBJECT_ID('MasterTable', 'U') IS NOT NULL DROP TABLE MasterTable; IF OBJECT_ID('ForeignKeyTableCOL1', 'U') IS NOT NULL DROP TABLE ForeignKeyTableCOL1; IF OBJECT_ID('ForeignKeyTableCOL2', 'U') IS NOT NULL DROP TABLE ForeignKeyTableCOL2; IF OBJECT_ID('HistoryTable', 'U') IS NOT NULL DROP TABLE HistoryTable; IF OBJECT_ID('ErrorTable', 'U') IS NOT NULL DROP TABLE ErrorTable; CREATE TABLE ForeignKeyTableCOL1 (COL1 varchar(10) PRIMARY KEY) CREATE TABLE ForeignKeyTableCOL2 (COL2 varchar(10) PRIMARY KEY) CREATE TABLE TempTable (TempTableID int IDENTITY(1,1), PKRecordID int, COL1 varchar(10), COL2 varchar(10), COL3 varchar(10), COL4 varchar(10), COL5 varchar(10), Success char(1)) CREATE TABLE MasterTable (PKRecordID int PRIMARY KEY, COL1 varchar(10), COL2 varchar(10), COL3 varchar(10), COL4 varchar(10), COL5 varchar(10)) ALTER TABLE MasterTable ADD CONSTRAINT FK_MasterTable_ForeignKeyTableCOL1 FOREIGN KEY (COL1) REFERENCES ForeignKeyTableCOL1 (COL1) ALTER TABLE MasterTable ADD CONSTRAINT FK_MasterTable_ForeignKeyTableCOL2 FOREIGN KEY (COL2) REFERENCES ForeignKeyTableCOL2 (COL2) CREATE TABLE HistoryTable (HistoryTableID int IDENTITY(1,1) PRIMARY KEY, PKRecordID int, ColumnChanged varchar(50), OldValue varchar(10), NewValue varchar(10)) CREATE TABLE ErrorTable (ErrorTableID int IDENTITY(1,1) PRIMARY KEY, PKRecordID int, TableName varchar(50), TablePK int, ErrorDateTime datetime, ErrorCode int, ErrorMsg nvarchar(4000)) GO INSERT ForeignKeyTableCOL1 SELECT 'A' UNION SELECT 'B' UNION SELECT 'C' INSERT ForeignKeyTableCOL2 SELECT 'A' UNION SELECT 'B' UNION SELECT 'C' INSERT TempTable SELECT 1, 'A', 'A', 'A', 'A', 'A', 'N' INSERT TempTable SELECT 2, 'B', 'B', 'B', 'B', 'B', 'N' INSERT TempTable SELECT 3, 'C', 'C', 'C', 'C', 'C', 'N' INSERT TempTable SELECT 1, 'D', 'A', 'A', 'A', 'A', 'N' INSERT TempTable SELECT 1, 'A', 'D', 'A', 'A', 'A', 'N' INSERT TempTable SELECT 1, 'D', 'D', 'A', 'A', 'A', 'N' INSERT TempTable SELECT 2, 'A', 'B', 'B', 'B', 'B', 'N' INSERT TempTable SELECT 3, 'A', 'B', 'C', 'C', 'C', 'N' INSERT TempTable SELECT 4, 'D', 'D', 'D', 'D', 'D', 'N' SET NOCOUNT OFF </code></pre> <p>Execute the <code>INSERTS</code> and <code>UPDATES</code> with audit/error logging</p> <pre><code>DECLARE @PKRecordID int, @COL1 varchar(10), @COL2 varchar(10), @COL3 varchar(10), @COL4 varchar(10), @COL5 varchar(10), @TempTableID int DECLARE @PKRecordID_OLD int, @COL1_OLD varchar(10), @COL2_OLD varchar(10), @COL3_OLD varchar(10), @COL4_OLD varchar(10), @COL5_OLD varchar(10) DECLARE temp_cursor CURSOR FOR SELECT TempTableID, PKRecordID, COL1, COL2, COL3, COL4, COL5 FROM TempTable ORDER BY TempTableID; OPEN temp_cursor FETCH NEXT FROM temp_cursor INTO @TempTableID, @PKRecordID, @COL1, @COL2, @COL3, @COL4, @COL5 WHILE @@FETCH_STATUS = 0 BEGIN --SELECT @idx, @COL1, @COL2, @COL3, @COL4, @COL5 BEGIN TRY IF EXISTS (SELECT * FROM MasterTable WHERE PKRecordID = @PKRecordID) BEGIN SELECT @COL1_OLD = COL1 ,@COL2_OLD = COL2 ,@COL3_OLD = COL3 ,@COL4_OLD = COL4 ,@COL5_OLD = COL5 FROM MasterTable WHERE PKRecordID = @PKRecordID UPDATE MasterTable SET COL1 = @COL1 ,COL2 = @COL2 ,COL3 = @COL3 ,COL4 = @COL4 ,COL5 = @COL5 WHERE PKRecordID = @PKRecordID INSERT HistoryTable (PKRecordID, ColumnChanged, OldValue, NewValue) SELECT @PKRecordID, 'COL1', @COL1_OLD, @COL1 WHERE EXISTS (SELECT @COL1 EXCEPT SELECT @COL1_OLD) INSERT HistoryTable (PKRecordID, ColumnChanged, OldValue, NewValue) SELECT @PKRecordID, 'COL2', @COL2_OLD, @COL2 WHERE EXISTS (SELECT @COL2 EXCEPT SELECT @COL2_OLD) INSERT HistoryTable (PKRecordID, ColumnChanged, OldValue, NewValue) SELECT @PKRecordID, 'COL3', @COL3_OLD, @COL3 WHERE EXISTS (SELECT @COL3 EXCEPT SELECT @COL3_OLD) INSERT HistoryTable (PKRecordID, ColumnChanged, OldValue, NewValue) SELECT @PKRecordID, 'COL4', @COL4_OLD, @COL4 WHERE EXISTS (SELECT @COL4 EXCEPT SELECT @COL4_OLD) INSERT HistoryTable (PKRecordID, ColumnChanged, OldValue, NewValue) SELECT @PKRecordID, 'COL5', @COL5_OLD, @COL5 WHERE EXISTS (SELECT @COL5 EXCEPT SELECT @COL5_OLD) UPDATE TempTable SET Success = 'Y' WHERE TempTableID = @TempTableID END ELSE BEGIN INSERT MasterTable (PKRecordID, COL1, COL2, COL3, COL4, COL5) SELECT @PKRecordID, @COL1, @COL2, @COL3, @COL4, @COL5 UPDATE TempTable SET Success = 'Y' WHERE TempTableID = @TempTableID END END TRY BEGIN CATCH INSERT ErrorTable (PKRecordID, TableName, TablePK, ErrorDateTime, ErrorCode, ErrorMsg) SELECT @PKRecordID, 'TempTable', @TempTableID, GETDATE(), ERROR_NUMBER(), ERROR_MESSAGE() END CATCH FETCH NEXT FROM temp_cursor INTO @TempTableID, @PKRecordID, @COL1, @COL2, @COL3, @COL4, @COL5 END CLOSE temp_cursor; DEALLOCATE temp_cursor; -- VIEW OUTPUT SELECT * FROM MasterTable SELECT * FROM ErrorTable SELECT * FROM HistoryTable SELECT * FROM TempTable </code></pre>
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