Description
In sparkHashTableSinkOperator, when flushToFile, before close output stream, it try to get the file length, and will get 0 for it, take hashTableSinkOperator for ref, it should get length after output stream closed
In sparkHashTableSinkOperator, when flushToFile, before close output stream, it try to get the file length, and will get 0 for it, take hashTableSinkOperator for ref, it should get length after output stream closed