Posted by Bart op de grote markt on 11/23/07 13:52

I have also tried out the solution below (with the same test-table),
with a function. But again the response time is very slow...

create function dbo.fn_groupIt(@test1 varchar(5),@test3 varchar(5))
returns varchar(5000)
as
begin
declare @out varchar(5000)
select @out = coalesce(@out + ',' + convert(varchar,test2),
convert(varchar,test2))
from test
where test1 = @test1 and
test3 = @test3

return @out
end

select test1, dbo.fn_groupIt(test1,test3) test2,test3
from (
select test1,test3
from test
group by test1,test3
) a

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