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SQLServer and if/case in where clause

Posted on 2011-09-22
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Last Modified: 2012-05-12
Have a stored proc for displaying customer info which appears as:
create proc custinfo @nonzero smallint as
select * from customer
where...

The parm @nonzero (1 or 0) limits the display of customer's balances.  If
@nonzero = 1 then only customers with balances <> 0 display.  Otherwise
all customers display.

My issue is how best to express the where clause to accomodate @nonzero.

Currently I have: ((@nonzero = 1 and balance <> 0) or (@nonzero = 0)).  Surely there's a
better solution.
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Question by:hawand5
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2 Comments
 
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Guy Hengel [angelIII / a3] earned 500 total points
ID: 36579748
your way is ok. there are alternatives (dynamic sql is the simple one, writing a different select for each case another one), all with other drawbacks.
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by:kswathi
kswathi earned 500 total points
ID: 36579782
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