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https://issues.apache.org/jira/browse/ORC-243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16193054#comment-16193054
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Owen O'Malley commented on ORC-243:
-----------------------------------

The isRepeating is already being reset on each column during the start of the 
call to nextBatch by a call to ColumnVector.reset().

https://github.com/apache/orc/blob/09e9e1240d5cecca8f1811ea789931411aef8582/java/core/src/java/org/apache/orc/impl/TreeReaderFactory.java#L1815

Is the DecimalTreeReader setting the isRepeating incorrectly?

> incorrect isRepeating handling in decimal reader
> ------------------------------------------------
>
>                 Key: ORC-243
>                 URL: https://issues.apache.org/jira/browse/ORC-243
>             Project: ORC
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Blocker
>         Attachments: ORC-243.patch
>
>
> This can lead to incorrect results. 
> I need to look at other readers, will do tomorrow if this looks ok in general.



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