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Posted to issues@drill.apache.org by "mehran (JIRA)" <ji...@apache.org> on 2017/01/08 05:47:58 UTC

[jira] [Created] (DRILL-5179) Dropping NULL Columns from putting in parquet files

mehran created DRILL-5179:
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             Summary: Dropping NULL Columns from putting in parquet files
                 Key: DRILL-5179
                 URL: https://issues.apache.org/jira/browse/DRILL-5179
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.9.0
            Reporter: mehran


Due to schemaless nature of drill and parquet files. It is suitable that all NULL columns be dropped in "CREATE TABLE" command. This will enhance speed of header interpretation. I think this is a simple but big enhancement. 
This can be an option in configuration parameters.





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