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Apache Spark And MapR-DB JSON composite key

Question asked by thbeh on Nov 19, 2017
Latest reply on Nov 22, 2017 by aravi

Hi, I am testing the above and have looked at examples in GitHub - mapr-demos/ojai-spark-connector-sample . Each row of my data needs 3 field to combine to create a row's uniqueness. How do I create the composite key in 

.saveToMapRDB("/tmp/tesdata", createTable = true, idFieldPath=).


Please advice.