Closed vemonet closed 5 years ago
https://drill.apache.org/docs/functions-for-handling-nulls/
Or this might be the best option: https://stackoverflow.com/questions/41938884/how-to-make-apache-drill-understand-explicit-null-in-a-csv-file
https://github.com/amalic/AutoR2RML/commit/8c3078c583fb3933f4a7d8fe7b3b224504e95ef6
https://drill.apache.org/docs/functions-for-handling-nulls/
Or this might be the best option: https://stackoverflow.com/questions/41938884/how-to-make-apache-drill-understand-explicit-null-in-a-csv-file