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  1. IMPALA
  2. IMPALA-2523

Make HdfsTableSink aware of clustered input

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: Impala 2.2, Impala 2.3.0, Impala 2.5.0, Impala 2.4.0, Impala 2.6.0, Impala 2.7.0
    • Fix Version/s: Impala 2.8.0
    • Component/s: Backend

      Description

      The HdfsParquetTableWriter needs to be aware that incoming data is clustered if the corresponding insert statement has a "clustered" hint. Only a single open partition should be maintained and flushed by calling FinalizePartitionFile() when the partition-key values change.

      For now, no changes should be made to other table sinks.

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              • Assignee:
                lv Lars Volker
                Reporter:
                mmokhtar Mostafa Mokhtar
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                Dates

                • Created:
                  Updated:
                  Resolved: