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  1. IMPALA
  2. IMPALA-10299

Impala-shell hangs in printing partial UTF-8 characters

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: Impala 4.0
    • Fix Version/s: Impala 4.0
    • Component/s: Clients
    • Labels:
      None
    • Epic Link:
    • Epic Color:
      ghx-label-5

      Description

      Saw the hanging when playing around with Chinese characters:

      [localhost:21050] default> select substr("引擎", 1, 3);
      Query: select substr("引擎", 1, 3)
      Query submitted at: 2020-10-28 11:54:26 (Coordinator: http://quanlong-OptiPlex-BJ:25000)
      Query progress can be monitored at: http://quanlong-OptiPlex-BJ:25000/query_plan?query_id=464f44d405bb16a1:5b41e00e00000000
      +----------------------+
      | substr('引擎', 1, 3) |
      +----------------------+
      | 引                   |
      +----------------------+
      Fetched 1 row(s) in 0.13s
      [localhost:21050] default> select substr("引擎", 1, 2);
      Query: select substr("引擎", 1, 2)
      Query submitted at: 2020-10-28 11:54:32 (Coordinator: http://quanlong-OptiPlex-BJ:25000)
      Query progress can be monitored at: http://quanlong-OptiPlex-BJ:25000/query_plan?query_id=d048231be08f29b4:860c959500000000
      Caught exception 'utf8' codec can't decode bytes in position 0-1: unexpected end of data, type=<type 'exceptions.UnicodeDecodeError'> in FetchResults.
      
      

      This seems not a problem in previous versions. E.g. see the examples in the description of IMPALA-9662.

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              • Assignee:
                stigahuang Quanlong Huang
                Reporter:
                stigahuang Quanlong Huang
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                • Created:
                  Updated:
                  Resolved: