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  1. IMPALA
  2. IMPALA-4825

Change Timestamp representation for binary compatibility with Kudu.

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Critical
    • Resolution: Won't Do
    • Affects Version/s: Impala 2.8.0
    • Fix Version/s: Impala 2.9.0
    • Component/s: Backend
    • Labels:

      Description

      Kudu represents a timestamp as a 12-byte field in rows returned to Impala. In addition, Kudu stores the 4-byte date portion first, followed by the 8-byte time portion. Impala has those fields reversed (timestamp-value.h) and treats a timestamp as a 16-byte field.

      In order to maintain Impala/Kudu tuple-format compatibility, we should change Impala's representation to match Kudu's.

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            • Assignee:
              mjacobs Matthew Jacobs
              Reporter:
              alex.behm Alexander Behm
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                Updated:
                Resolved: