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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/07/06 20:35:11 UTC
[jira] [Commented] (SPARK-16400) Remove InSet filter pushdown from
Parquet
[ https://issues.apache.org/jira/browse/SPARK-16400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365035#comment-15365035 ]
Apache Spark commented on SPARK-16400:
--------------------------------------
User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/14076
> Remove InSet filter pushdown from Parquet
> -----------------------------------------
>
> Key: SPARK-16400
> URL: https://issues.apache.org/jira/browse/SPARK-16400
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Reynold Xin
>
> Filter pushdown that needs to be evaluated per row is not useful to Spark, since parquet-mr own filtering is likely to be less performant than Spark's due to boxing and virtual function dispatches.
> To simplify the code base, we should remove the InSet filters.
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