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Coalesce / Comma Delimitted List

I'm trying to return multiple column, one of which is a column + a comma delimitted list of values. Below is a simplified, non working, query:

(assume @MyBit, @MyVarChar, and @MyValue are all declared)

SELECT distinct
IsNull(Column1, '') AS Column1,
IsNull(Column2,'') + CASE WHEN @MyBit = 1 THEN ' My Test: ' + (select @MyVarChar = COALESCE(Column3 + ', ', '') from TableSub where Value = @MyValue) ELSE '' END AS Column2,
FROM TableMain

I get an ADO error: Incorrect syntax near '='

Thoughts?

Thanks
Oct 19 '06 #1
3 3956
scripto
143 100+
(select @MyVarChar = COALESCE(Column3 + ', ', '') from TableSub where Value = @MyValue)

use "[ ]" brackets instead of "( )" around the above select statment.

(and remove the last comma before the FROM stmnt)
Oct 19 '06 #2
I now have:

SELECT distinct
IsNull(Column1, '') AS Column1,
IsNull(Column2,'') + CASE WHEN @MyBit = 1 THEN ' My Test: ' + [select @MyVarChar = COALESCE(Column3 + ', ', '') from TableSub where Value = @MyValue] ELSE '' END AS Column2
FROM TableMain

and I get:
ADO error: Invalid column name 'select @MyVarChar = COALESCE(Column3 + ',', '') from TableSub where Value = @MyValue'

Thanks
Oct 19 '06 #3
scripto
143 100+
my apologies - here is the correct query

SELECT distinct
IsNull(Column1, '') AS Column1,
IsNull(Column2,'') + CASE WHEN @MyBit = 1 THEN ' My Test: ' + (select COALESCE(Column3 + ', ', '') from TableSub where Value = @MyValue) ELSE '' END AS Column2
FROM TableMain

put the "( )" back on and remove the @MyVarChar = (that is where the err is)
you just need select coalesce...
Oct 20 '06 #4

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