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https://issues.apache.org/jira/browse/HIVE-9684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14319809#comment-14319809
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Prasanth Jayachandran commented on HIVE-9684:
---------------------------------------------

[~gopalv]/[~owen.omalley] Can someone review this patch?

> Incorrect disk range computation in ORC because of optional stream kind
> -----------------------------------------------------------------------
>
>                 Key: HIVE-9684
>                 URL: https://issues.apache.org/jira/browse/HIVE-9684
>             Project: Hive
>          Issue Type: Bug
>          Components: File Formats
>    Affects Versions: 1.0.0, 1.1.0, 1.0.1
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Critical
>         Attachments: HIVE-9684.branch-1.0.patch, HIVE-9684.branch-1.1.patch
>
>
> HIVE-9593 changed all required fields in ORC protobuf message to optional 
> field. But DiskRange computation and stream creation code assumes existence 
> of stream kind everywhere. This leads to incorrect calculation of diskranges 
> resulting in out of range exceptions. The proper fix is to check if stream 
> kind exists using stream.hasKind() before adding the stream to disk range 
> computation.



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