conditional t-sql select phrase construction

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conditional t-sql select phrase construction

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AskSQLTeam
Ask SQLTeam Question

0 Posts

Posted - 2005-09-20 : 07:10:09

CLAUDIO writes "How can I write something similar to the below reported ...working

SELECT
*
FROM
XTBL
WHERE
XTBL.A = 'A'
IF SOMETHING HAPPENS THEN
AND XTBL.B = 'B'
END"

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2005-09-20 : 07:21:21

[code]
If exists(SELECT * FROM XTBL WHERE XTBL.A = 'A')
SELECT * FROM XTBL WHERE XTBL.A = 'A' AND XTBL.B = 'B'
[/code]

Madhivanan

Failing to plan is Planning to fail

DonAtWork
Master Smack Fu Yak Hacker

2167 Posts

Posted - 2005-09-20 : 09:56:16

Something like this maybe?


DECLARE @Foo varchar(10) = NULL

SELECT 
	<List>
FROM 
	XTBL
WHERE 
	XTBL.A = 'A'
AND 
	XTBL.B = CASE @Foo WHEN NULL THEN XTLB.B ELSE @Foo END

Help us help YOU!
Read this blog entry for more details: http://weblogs.sqlteam.com/brettk/archive/2005/05/25.aspx

*need more coffee*
SELECT * FROM Users WHERE CLUE > 0
(0 row(s) affected)

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