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Posted to issues@drill.apache.org by "mehran (JIRA)" <ji...@apache.org> on 2017/02/01 16:30:52 UTC

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

    [ https://issues.apache.org/jira/browse/DRILL-5179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15848586#comment-15848586 ] 

mehran commented on DRILL-5179:
-------------------------------

Is there any comments on this issue!
This issue will greatly helps us to test drill and I think having null columns is against drill philosophy.


> 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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