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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/06/06 18:51:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=14575823#comment-14575823 ]
Apache Spark commented on SPARK-8141:
-------------------------------------
User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/6687
> 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
>
> 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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