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DATABASE MANAGEMENT AND ADMINISTRATION
Execute a statement against a dynamic list with this stored procedure
Hector Mejia
03.26.2002
Rating: --- (out of 5)
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Need to execute a statement that performs an action validating against a list of values, but the list changes from one run to the other? Or perhaps the list is built dynamically within a stored procedure? Here's how:
DECLARE @ProdList as varchar(200)
SET @ProdList = "'PROD1','PROD2','PROD3'"
EXECUTE ('DELETE FROM tblProducts WHERE ProductID IN (' + @ProdList + ')')
Reader Feedback
Yuriy M. writes: Instead of using a dynamic SQL statement, you could apply a little trick with the CHARINDEX function, which is faster and more flexible. If you need to just execute a SELECT statement, you can use it inside a user defined function.
DECLARE @ProdList as varchar(200)
SET @ProdList = "'PROD1','PROD2','PROD3'"
DELETE FROM tblProducts
WHERE CHARINDEX(',' + ProductID + ',', ',' + CASE
WHEN @ProdList IS NOT NULL THEN @ProdList ELSE ProductID END + ',') <> 0
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