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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/12/09 16:13:11 UTC
[jira] [Reopened] (SPARK-11621) ORC filter pushdown not working
properly after new unhandled filter interface.
[ https://issues.apache.org/jira/browse/SPARK-11621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen reopened SPARK-11621:
-------------------------------
> ORC filter pushdown not working properly after new unhandled filter interface.
> ------------------------------------------------------------------------------
>
> Key: SPARK-11621
> URL: https://issues.apache.org/jira/browse/SPARK-11621
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Hyukjin Kwon
>
> After the new interface to get rid of filters predicate-push-downed which are already processed in datasource-level (https://github.com/apache/spark/pull/9399), it dose not push down filters for ORC.
> This is because at {{DataSourceStrategy}}, all the filters are treated as unhandled filters.
> Also, since ORC does not support to filter fully record by record but instead rough results came out, the filters for ORC should not go to unhandled filters.
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