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https://issues.apache.org/jira/browse/SPARK-17091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16518907#comment-16518907
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Apache Spark commented on SPARK-17091:
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User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/21603
> Convert IN predicate to equivalent Parquet filter
> -------------------------------------------------
>
> Key: SPARK-17091
> URL: https://issues.apache.org/jira/browse/SPARK-17091
> Project: Spark
> Issue Type: Bug
> Reporter: Andrew Duffy
> Priority: Major
> Attachments: IN Predicate.png, OR Predicate.png
>
>
> Past attempts at pushing down the InSet operation for Parquet relied on
> user-defined predicates. It would be simpler to rewrite an IN clause into the
> corresponding OR union of a set of equality conditions.
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