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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2014/10/05 23:10:33 UTC

[jira] [Created] (SPARK-3804) Output of Generator expressions is not stable after serialization.

Michael Armbrust created SPARK-3804:
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             Summary: Output of Generator expressions is not stable after serialization.
                 Key: SPARK-3804
                 URL: https://issues.apache.org/jira/browse/SPARK-3804
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Michael Armbrust


The output of a generator expression (such as explode) can change after serialization.  This caused a nasty data corruption bug.  While this bug has seen been addressed it would be good to fix this since it violates the general contract of query plans.



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