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Posted to issues@spark.apache.org by "Cheng Lian (JIRA)" <ji...@apache.org> on 2014/09/28 14:33:34 UTC

[jira] [Created] (SPARK-3713) Use JSON to serialize DataType

Cheng Lian created SPARK-3713:
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             Summary: Use JSON to serialize DataType
                 Key: SPARK-3713
                 URL: https://issues.apache.org/jira/browse/SPARK-3713
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.1.0
            Reporter: Cheng Lian


Currently we are using compiler generated {{toString}} method for case classes to serialize {{DataType}} objects, which is dangerous and already introduced some bugs (e.g. SPARK-3421). Moreover, we also serialize schema in this format and write into generated Parquet metadata. Using JSON can fix all these known and potential issues.



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