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Posted to dev@hive.apache.org by "Sarvesh Sakalanaga (JIRA)" <ji...@apache.org> on 2013/06/20 22:34:19 UTC

[jira] [Updated] (HIVE-4769) Vectorized ORC reader does not handle absence of column present stream correctly.

     [ https://issues.apache.org/jira/browse/HIVE-4769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sarvesh Sakalanaga updated HIVE-4769:
-------------------------------------

    Attachment: Hive-4769.0.patch

Patch available. 
                
> Vectorized ORC reader does not handle absence of column present stream correctly. 
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-4769
>                 URL: https://issues.apache.org/jira/browse/HIVE-4769
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sarvesh Sakalanaga
>            Assignee: Sarvesh Sakalanaga
>         Attachments: Hive-4769.0.patch
>
>
> If the present stream is not present for a column then by design all the rows are present for that column. Currently ORC vectorized reader does initialize the IsNull vector correctly in this case.

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