situation as followed:
There are two columns “Tax Registration No 1” (TRN1) and “Tax Registration No 2” (TRN2). I’ve to pivot (i.e., total up) “Tax Amount” depending on if No 1 or No 2 is not empty (i.e., not null and len(trim(TRNx)) > 0) and two other criteria.
My current approach is, to add a boolean-column “TRN known”.
My questions are:
(a) what node should I use to accomplish above described challenge
(b) any suggestions out there to solve it in a more elegant way
Thanks in advance and kind regards,
Hi @Patrick1974 -
Your approach is similar to what I would do. I would make a new boolean variable using the Java Snippet node, defined by the criteria you mentioned. (You might be able to use the Rule Engine node here too, but it’s a little less flexible.) Then I would use a GroupBy node to sum the Tax Amount over values of the new boolean variable.
There very well could be a more elegant way to approach this though!
I finally managed to get a Java Snippet running - and it does the trick.
Last time I did developing for bread winning, I worked on IBM Mainframes doing Assembler and COBOL… was quite a challenge to dive into Java but I managed it.
Thanks for your swift response and have a nice day,
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