[IMPALA-363] impala-shell: console output better turned off if output_file option is used

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: Impala 1.0
• Fix Version/s: Impala 1.0.1
• Component/s: Clients
• Labels: shell
• Environment: (Shell build version: Impala Shell v1.0 (d1bf0d1) built on Sun Apr 28 15:33:52 PDT 2013)
• Assignee: Ishaan Joshi
• Reporter: Gin.Li
• Created: 22/May/13 15:57
• Updated: 28/Dec/15 17:43
• Resolved: 30/May/13 19:01

Description

output_file option is very useful when doing batch job.
but now console output is always on , so it is impossible to put impala-shell in a typical pipeline .

my workaround is a patch impala_shell.py:530
from

526 try:
527 map(table.add_row, rows)
528 # Clear the rows that have been added. The goal is is to stream the table
529 # in batch_size quantums.
530 print table
531 table.clear_rows()
532 except Exception, e:

to
526 try:
527 map(table.add_row, rows)
528 # Clear the rows that have been added. The goal is is to stream the table
529 # in batch_size quantums.
530 if not self.output_writer:
531 print table
532 table.clear_rows()
533 except Exception, e: