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SQL Server conditional Where in select

Posted on 2013-02-05
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Last Modified: 2013-02-05
I have a select that I want to have a conditional where statement

Passing in a variable 'P' or 'B'

I have a table with 4 columns
id    dText     Bill     Pay
1     Hours     1          0
2     Hrs-Reg  0          1

etc

When @var = 'P'
return  data where Pay = 1

when @var = 'B'
return data where Bill = 1

I have this which works...just wondering if I can streamline it
ALTER PROCEDURE usp_HoursTrackingDetailHoursGet2
			(
				@type VARCHAR(1)
			)
AS
BEGIN
	SET NOCOUNT ON;

		IF @type = 'B'
		BEGIN
			SELECT	hsid ,
					Definition 
			FROM	dbo.HoursTracking_SID_Definitions
			WHERE	Bill = 1
			ORDER BY def DESC, sort ASC
		END
		ELSE
		BEGIN
			SELECT	hsid ,
					Definition 
			FROM	dbo.HoursTracking_SID_Definitions
			WHERE	Pay = 1			
			ORDER BY def DESC, sort ASC
		END
END

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Question by:lrbrister
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2 Comments
 
LVL 66

Accepted Solution

by:
Jim Horn earned 500 total points
ID: 38856903
Copy-paste the below into your SSMS, verify it works how you want, then modify to suit your needs.

CREATE TABLE #foo (id int, dText char(10), bill bit, pay bit)

INSERT INTO #foo (id, dText, bill, pay)
VALUES (1, 'Hours', 1, 0), (2, 'Hrs-Reg', 0, 1)

Declare @var char(1) = 'B'

SELECT id, dText, Bill, Pay
FROM #foo
WHERE (@var = 'P' AND bill=1) OR (@var = 'B' AND pay = 1)

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Author Closing Comment

by:lrbrister
ID: 38857009
Perfect!

Remind me to buy you a sody-pop sometime
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