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https://issues.apache.org/jira/browse/SPARK-23452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-23452:
----------------------------------
    Description: 
We have five ORC readers. We had better have a test coverage for all ORC 
readers.

- Hive Serde
- Hive OrcFileFormat
- Apache ORC Vectorized Wrapper
- Apache ORC Vectorized Copy
- Apache ORC MR


  was:
We have five ORC readers. We had better have a test coverage for all cases.

- Hive Serde
- Hive OrcFileFormat
- Apache ORC Vectorized Wrapper
- Apache ORC Vectorized Copy
- Apache ORC MR



> Improve test coverage for ORC readers
> -------------------------------------
>
>                 Key: SPARK-23452
>                 URL: https://issues.apache.org/jira/browse/SPARK-23452
>             Project: Spark
>          Issue Type: Test
>          Components: SQL
>    Affects Versions: 2.3.1
>            Reporter: Dongjoon Hyun
>            Priority: Minor
>
> We have five ORC readers. We had better have a test coverage for all ORC 
> readers.
> - Hive Serde
> - Hive OrcFileFormat
> - Apache ORC Vectorized Wrapper
> - Apache ORC Vectorized Copy
> - Apache ORC MR



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