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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2018/01/06 08:36:00 UTC

[jira] [Created] (SPARK-22979) Avoid per-record type dispatch in Python data conversion (EvaluatePython.fromJava)

Hyukjin Kwon created SPARK-22979:
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             Summary: Avoid per-record type dispatch in Python data conversion (EvaluatePython.fromJava)
                 Key: SPARK-22979
                 URL: https://issues.apache.org/jira/browse/SPARK-22979
             Project: Spark
          Issue Type: Improvement
          Components: PySpark, SQL
    Affects Versions: 2.3.0
            Reporter: Hyukjin Kwon


Seems we are type dispatching between Java objects (from Pyrolite) to Spark's internal data format.

See https://github.com/apache/spark/blob/3f958a99921d149fb9fdf7ba7e78957afdad1405/sql/core/src/main/scala/org/apache/spark/sql/execution/python/EvaluatePython.scala#L89-L162

Looks we can make converters each for each type and then reuse it.



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