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Posted to issues@spark.apache.org by "Michael Styles (JIRA)" <ji...@apache.org> on 2017/06/27 20:26:00 UTC

[jira] [Updated] (SPARK-17091) ParquetFilters rewrite IN to OR of Eq

     [ https://issues.apache.org/jira/browse/SPARK-17091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Styles updated SPARK-17091:
-----------------------------------
    Attachment: IN Predicate.png
                OR Predicate.png

> ParquetFilters rewrite IN to OR of Eq
> -------------------------------------
>
>                 Key: SPARK-17091
>                 URL: https://issues.apache.org/jira/browse/SPARK-17091
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Andrew Duffy
>         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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