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Re: concatenate multi columns with one or more row data is null

I am sorry but I had never seen such an inconsistent behaviour before! I am stunned. Look at these results::

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One single source line and the output is wriiten twice and differently!

Query contains mapping for

     FIELD1: SRC.MAT

     FIELD2: SRC.DESCR

     FIELD3: SRC.MAT || SRC.DESCR > result is null

Query_2 contains mapping for

     FIELD1: Query.FIELD1

     FIELD2: Query.FIELD2

     FIELD3: Query.FIELD1 || Query.FIELD2 > result is 'l1'


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