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  1. IMPALA
  2. IMPALA-9640

[DOC]: Document Impala support for Kudu VARCHAR type

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    Details

    • Type: Documentation
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Not Applicable
    • Fix Version/s: Not Applicable
    • Component/s: Docs
    • Labels:

      Description

      See Impala-5092. The length of a Kudu varchar is applied as a character length as opposed to a byte length which Impala currently uses. Kudu tuples containing VARCHAR columns use characters instead of bytes to limit the length. In the case of ASCII values there is no difference. However, if multi-byte characters are written to Kudu the length could be longer than allowed.
      Impala checks the actual length and truncates the length of the value if necessary.

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              • Assignee:
                krishahn Kris Hahn
                Reporter:
                krishahn Kris Hahn
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