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by faisal-j-6023 (120 points)
i need to read 2 csv files and picking id from first csv file and using related data of id from second csv file. I am using 2 csv files for referencing mapping data.

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You could read the first CSV on your source node and then read up the second CSV in a mapping function using qie.readFile('file');
by michael-h-5027 (14.8k points)
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