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Posted to issues@drill.apache.org by "Paul Rogers (JIRA)" <ji...@apache.org> on 2017/03/14 23:34:41 UTC

[jira] [Created] (DRILL-5356) Refactor Parquet Record Reader

Paul Rogers created DRILL-5356:
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             Summary: Refactor Parquet Record Reader
                 Key: DRILL-5356
                 URL: https://issues.apache.org/jira/browse/DRILL-5356
             Project: Apache Drill
          Issue Type: Improvement
    Affects Versions: 1.10.0, 1.11.0
            Reporter: Paul Rogers
            Assignee: Paul Rogers
            Priority: Minor
             Fix For: 1.11.0


The Parquet record reader class is a key part of Drill that has evolved over time to become somewhat hard to follow.

A number of us are working on Parquet-related tasks and find we have to spend an uncomfortable amount of time trying to understand the code. In particular, this writer needs to figure out how to convince the reader to provide higher-density record batches.

Rather than continue to decypher the complex code multiple times, this ticket requests to refactor the code to make it functionally identical, but structurally cleaner. The result will be faster time to value when working with this code.

This is a lower-priority change and will be coordinated with others working on this code base.



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