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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2015/06/06 18:49:00 UTC

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

Liang-Chi Hsieh created SPARK-8141:
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             Summary: 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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