[jira] [Created] (SPARK-21019) read orc when some of the columns are missing in some files

["Modi Tamam (JIRA)" <ji...@apache.org>]

Modi Tamam created SPARK-21019:
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             Summary:  read orc when some of the columns are missing in some files
                 Key: SPARK-21019
                 URL: https://issues.apache.org/jira/browse/SPARK-21019
             Project: Spark
          Issue Type: Bug
          Components: Input/Output
    Affects Versions: 2.1.1
            Reporter: Modi Tamam


I'm using Spark-2.1.1.

I'm experiencing an issue when I'm reading a bunch of ORC files when some of the fields are missing from some of the files (file-1 has fields 'a' and 'b', file-2 has fields 'a' and 'c'). When I'm running the same flow with JSON files format, every thing is just fine (you can see it at the code snippets , if you'll run it...) My question is whether it's a bug or an expected behavior?

I'v pushed a maven project, ready for run, you can find it here https://github.com/MordechaiTamam/spark-orc-issue.



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