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Trouble with the IN keyword


Trouble with the IN keyword

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Dave Bodenheimer-467684
Dave Bodenheimer-467684
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I am creating a script where I am querying a table using the IN keyword.
When I type the data inside the IN clause, the query performs as i should. But when I create a variable with the exact same data in it and use the variable inside the IN clause, it does not. Any Ideas???



Here is the query that works
SELECT * FROM scpcommandeventlog WHERE MESSAGEid = 3 AND PARAM1 IN('11416407','11416410','11416413','11416417','11416419','11416421','11416423','11416427','11416432','11416433','11416434','11416435','11416438','11416443','11416446','11416448','11416451','11416454','11416458','11416462')

here is the query that doesn't
SELECT * FROM scpcommandeventlog WHERE MESSAGEid = 3 AND PARAM1 IN(@list)


Here is the query that populates the @list variable

DECLARE @List varchar(max)

SELECT @List = isnull(@List + ',', '') + '''' + cast(itemid as varchar) + ''''
FROM dbo.ItemList
WHERE sortid LIKE @sortid
geoff5
geoff5
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Points: 252 Visits: 543
Rather than populate a variable with a subquery, use a simpler subquery directly inside the IN value list position, like this:

select * from scpcommandeventlog where messageid = 3 and param1 in (select itemid from dbo.ItemList where sortid like @sortid)
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