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From "Gengliang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-26447) Allow OrcColumnarBatchReader to return less partition columns
Date Wed, 26 Dec 2018 17:34:00 GMT
Gengliang Wang created SPARK-26447:
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             Summary: Allow OrcColumnarBatchReader to return less partition columns
                 Key: SPARK-26447
                 URL: https://issues.apache.org/jira/browse/SPARK-26447
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Gengliang Wang


Currently OrcColumnarBatchReader returns all the partition column values in the batch read.
In data source V2, we can improve it by returning the required partition column values only.




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