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https://issues.apache.org/jira/browse/ORC-759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17308029#comment-17308029
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Panagiotis Garefalakis commented on ORC-759:
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Resolved via: https://github.com/apache/orc/pull/653
> StructBatchReader should always skip processing on the rootReader
> -----------------------------------------------------------------
>
> Key: ORC-759
> URL: https://issues.apache.org/jira/browse/ORC-759
> Project: ORC
> Issue Type: Sub-task
> Components: Java
> Reporter: Pavan Lanka
> Assignee: Pavan Lanka
> Priority: Minor
>
> As of right now the processing in StructBatchReader is as follows:
> * `nextBatch` method : Perform directly on the children with the assumption
> that the rootReader has no nulls.
> * `seek`, `skipRows`, `startStripe` methods: Operate on the rootReader
> Propose that the StructBatchReader be made consistently to operate on the
> children and never on the rootReader.
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