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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/06/06 18:51:01 UTC

[jira] [Assigned] (SPARK-8141) Precompute datatypes for partition columns and reuse it

     [ https://issues.apache.org/jira/browse/SPARK-8141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-8141:
-----------------------------------

    Assignee: Apache Spark

> Precompute datatypes for partition columns and reuse it
> -------------------------------------------------------
>
>                 Key: SPARK-8141
>                 URL: https://issues.apache.org/jira/browse/SPARK-8141
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>            Assignee: Apache Spark
>
> spec.partitionColumns.map(_.dataType) re-runs for each Partition in HadoopFsRelation. When there are many partitions, it costs too much unnecessary time.



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