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Posted to issues@spark.apache.org by "Cheng Lian (JIRA)" <ji...@apache.org> on 2015/06/07 09:37:00 UTC
[jira] [Updated] (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 ]
Cheng Lian updated SPARK-8141:
------------------------------
Assignee: Liang-Chi Hsieh
> 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
> Affects Versions: 1.4.0
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Fix For: 1.4.1, 1.5.0
>
>
> 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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