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From "Kuien Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAWQ-1660) optimize parquet scan
Date Thu, 20 Sep 2018 08:25:00 GMT
Kuien Liu created HAWQ-1660:
-------------------------------

             Summary: optimize parquet scan
                 Key: HAWQ-1660
                 URL: https://issues.apache.org/jira/browse/HAWQ-1660
             Project: Apache HAWQ
          Issue Type: Improvement
          Components: Storage
            Reporter: Kuien Liu
            Assignee: Radar Lei


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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