Hi,   Where you are redirecting the output to? for csv file? What is the output from impala-shell terminal if you do not redirect the output?   It looks like caused by the csv module when impala is using it to export the data.       # csv.writer expects a file handle to the input.     # cStringIO is used as the temporary buffer.     temp_buffer = StringIO()     writer = csv.writer(temp_buffer, delimiter=self.field_delim,                         lineterminator='\n', quoting=csv.QUOTE_MINIMAL)     writer.writerows(rows)   Seems to be we cannot change this since it is needs to modified at code level.   https://github.com/apache/impala/blob/014c455aaaa38010ae706228f7b439c080c0bc7d/shell/shell_output.py...   Regards, Chethan YM   ... View more