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  1. IMPALA
  2. IMPALA-3909

Parquet file writer should populate the min/max statistics per block per column to be used by the reader

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Impala 2.8.0
    • Fix Version/s: Impala 2.9.0
    • Component/s: Backend
    • Labels:

      Description

      The Parquet file writer should populate the min/max indexes while writing data such that it can be used by the reader.
      Today data written by Hive populates those statistics but not Impala.

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              • Assignee:
                lv Lars Volker
                Reporter:
                mmokhtar Mostafa Mokhtar
              • Votes:
                1 Vote for this issue
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                Dates

                • Created:
                  Updated:
                  Resolved: