[jira] [Created] (IMPALA-11332) impala-shell strips trailing whitespace from csv output

["Joe McDonnell (Jira)" <ji...@apache.org>]

Joe McDonnell created IMPALA-11332:
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             Summary: impala-shell strips trailing whitespace from csv output
                 Key: IMPALA-11332
                 URL: https://issues.apache.org/jira/browse/IMPALA-11332
             Project: IMPALA
          Issue Type: Bug
          Components: Clients
    Affects Versions: Impala 4.2.0
            Reporter: Joe McDonnell


A query like this should have trailing whitespace in the impala-shell output:

 
{noformat}
impala-shell -B -q 'select "TEST NODE: Creating table       "'
Starting Impala Shell with no authentication using Python 3.6.9
Warning: live_progress only applies to interactive shell sessions, and is being skipped for now.
Opened TCP connection to localhost:21050
Connected to localhost:21050
Server version: impalad version 4.1.0-SNAPSHOT DEBUG (build 730b7addb84839f2aebf63af501cc9e626f0d1c8)
Query: select "TEST NODE: Creating table       "
Query submitted at: 2022-06-01 12:37:58 (Coordinator: http://joemcdonnell:25000)
Query progress can be monitored at: http://joemcdonnell:25000/query_plan?query_id=3743cf7e04b44e18:5ee28b3b00000000
TEST NODE: Creating table <----- whitespace should exist here
Fetched 1 row(s) in 0.11s{noformat}
This is due to this rstrip() call here:

 

[https://github.com/apache/impala/blob/master/shell/shell_output.py#L93]

 
{noformat}
    for row in rows:
      if sys.version_info.major == 2:
        row = [val.encode('utf-8', 'replace') if isinstance(val, unicode) else val
            for val in row]
      writer.writerow(row)
    rows = temp_buffer.getvalue().rstrip() <--------
    temp_buffer.close()
    return rows{noformat}
 

 



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