Answer / venky

src->sorter->exp->agg->tgt

sorter:-

select col1 key as sorter

exp:-

var1=iff(var2=col1,var1||','||col2,col2)
var2=col1
output_port=var1

agg;-

select group by col1

tgt:-

connect to target

Answer / hanan

src->exp->agg->tgt

src:-

In sql query write order by col1

exp:-

col1->
col2->
var_col2=iif(col1=var_col1,var_col2||','||col2)
var_col1=col1
output_port=var_col2

agg;-

select group by col1

tgt:-

connect to target

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