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  1. Apache HAWQ (Retired)
  2. HAWQ-1660

optimize parquet scan

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    • Improvement
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • 2.4.0.0
    • backlog
    • Storage
    • None

    Description

      I saw Mr. Wen Lin's work on bloomfilter, and push down the fitler into parquet scan. It provide a chance to accelerate further, that is: read the hash-key-attributes first and perform filter, if positive, fetch the remaining columns from parquet. does it make sense?

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              kuien Kuien Liu
              kuien Kuien Liu
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                Created:
                Updated: