YulongZ

I've had this problem, too

> @yulongz I am confused here, in [current master](https://github.com/apache/hive/blob/bc35507757c23a6da612a2dc4b840105aed2515c/ql/src/java/org/apache/hadoop/hive/ql/exec/PTFOperator.java#L83) I can already see `currentKeys` set to `null` in the very same place you proposed the change. > > Am I...

> I have same problem. How can resolve ? Add a line to the file 'Quicksql/core/src/main/resources/quicksql-runner.properties' ： `spark.io.compression.codec=snappy`