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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2023/10/25 23:00:00 UTC

[jira] [Created] (IMPALA-12517) impala-shell with Python 3 mangles binary output

Michael Smith created IMPALA-12517:
--------------------------------------

             Summary: impala-shell with Python 3 mangles binary output
                 Key: IMPALA-12517
                 URL: https://issues.apache.org/jira/browse/IMPALA-12517
             Project: IMPALA
          Issue Type: Bug
    Affects Versions: Impala 4.3.0
            Reporter: Michael Smith


With a table containing binary data such as
{code}
CREATE TABLE complex_datatype (A INT, b BINARY);
INSERT INTO complex_datatype VALUES (1, CAST("a" as BINARY)), (2, CAST("8" as BINARY)), (3, CAST(NULL as BINARY));
{code}
querying it with Python 3 mangles the output by prefixing it with 'b' and quoting it
{code}
$ IMPALA_PYTHON_EXECUTABLE=python3 impala-shell.sh -q 'select * from complex_datatype'
...
+---+------+
| a | b    |
+---+------+
| 1 | b'a' |
| 2 | b'8' |
| 3 | NULL |
+---+------+
Fetched 3 row(s) in 0.11s
{code}

This should look like
{code}
+---+------+
| a | b    |
+---+------+
| 1 | a    |
| 2 | 8    |
| 3 | NULL |
+---+------+
{code}

Behaves the same when outputting to a file as well, with and without {{-B}}.



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