WHERE Field in (@Var) - SQL Server Forums

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WHERE Field in (@Var)

Author

Topic

12many
Starting Member

9 Posts

Posted - 2013-03-08 : 12:46:23

Hi there

I have a field in table one that is a delimited list of codes(a,b,c,d) that relate to data in table 2

I have created a @VAR in in my report that reads

DECLARE @VAR VARCHAR(50)
SET @VAR '''' + REPLACE((SELECT fields FROM table1),',',''',''') + ''''

So the Value in @Var will read 'a','b','c','d'

What i was then hoping to be able to do is

SELECT Data FROM Table2 WHERE Code IN (@VAR)

It has come to my attention this is not possible

Can any one give any advise on how this can be achieved

Ian

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2013-03-08 : 13:09:34

you need to use a string parsing method

see an example below

http://visakhm.blogspot.in/2013/01/delimited-string-split-xml-parsing.html

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

12many
Starting Member

9 Posts

Posted - 2013-03-14 : 06:46:59

Hi visakh16

Thanks Alot for this, Ill give it a bash when i get a chance,

Ian

LoztInSpace
Aged Yak Warrior

940 Posts

Posted - 2013-03-14 : 09:28:29

why not just store the values in table1 properly (i.e. 1 per row) then simply use
SELECT Data FROM Table2 WHERE Code IN (select field from table1)
?

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