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https://issues.apache.org/jira/browse/SPARK-14217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15233762#comment-15233762
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Apache Spark commented on SPARK-14217:
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User 'davies' has created a pull request for this issue:
https://github.com/apache/spark/pull/12279
> Vectorized parquet reader produces wrong result if data used dictionary
> encoding fallback
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-14217
> URL: https://issues.apache.org/jira/browse/SPARK-14217
> Project: Spark
> Issue Type: Bug
> Reporter: Nong Li
>
> In this case, the data contains a mix of pages that are dictionary encoded
> and not. This causes the batch that is produced to return wrong results.
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