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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/08/02 04:41:20 UTC
[jira] [Assigned] (SPARK-16847) Prevent to potentially read corrupt
statstics on binary in Parquet via VectorizedReader
[ https://issues.apache.org/jira/browse/SPARK-16847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-16847:
------------------------------------
Assignee: (was: Apache Spark)
> Prevent to potentially read corrupt statstics on binary in Parquet via VectorizedReader
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-16847
> URL: https://issues.apache.org/jira/browse/SPARK-16847
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Hyukjin Kwon
> Priority: Minor
>
> It is still possible to read corrupt Parquet's statistics.
> This problem was found in PARQUET-251 and we disabled filter pushdown on binary columns in Spark before.
> We enabled this after upgrading Parquet but it seems there are potential incompatibility for Parquet files written in lower Spark versions.
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