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A Different Way to Sort Based on Parameters in SSRS
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| USE AdventureWorks2012 | |
| DECLARE @DefaultSort VARCHAR(max) = 'SalesPerson' -- SSRS parameter | |
| DECLARE @tblSales AS TABLE ( | |
| SalesPersonID INT, | |
| SalesOrderID INT, | |
| SalesYear VARCHAR(4) | |
| ); | |
| BEGIN | |
| INSERT INTO @tblSales | |
| SELECT SalesPersonID, | |
| SalesOrderID, | |
| YEAR(OrderDate) AS SalesYear | |
| FROM Sales.SalesOrderHeader | |
| WHERE SalesPersonID IS NOT NULL | |
| SELECT tbl.*, | |
| ROW_NUMBER() OVER ( | |
| ORDER BY CASE WHEN @DefaultSort = 'SalesPerson' THEN SalesPersonID END, | |
| CASE WHEN @DefaultSort = 'Sales' THEN TotalSales END, | |
| CASE WHEN @DefaultSort = 'Year' THEN SalesYear END, | |
| CASE WHEN @DefaultSort NOT IN ('SalesPerson', 'Sales', 'Year') THEN SalesPersonID END -- DEFAULT TO (ELSE) | |
| ) AS RowNumber | |
| FROM ( | |
| SELECT SalesPersonID, | |
| COUNT(SalesOrderID) AS TotalSales, | |
| SalesYear | |
| FROM @tblSales | |
| GROUP BY SalesPersonID, | |
| SalesYear | |
| ) tbl | |
| ORDER BY RowNumber | |
| END | |
| GO |
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