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Posted to issues@spark.apache.org by "Asif (Jira)" <ji...@apache.org> on 2024/09/20 04:01:00 UTC

[jira] [Created] (SPARK-49727) A Bean class with a serializable POJO field looses data when converted back from dataframe, as dataset

Asif created SPARK-49727:
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             Summary: A Bean class with a serializable POJO field looses data when converted back from dataframe,  as dataset 
                 Key: SPARK-49727
                 URL: https://issues.apache.org/jira/browse/SPARK-49727
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.5.2, 4.0.0
            Reporter: Asif


If a Bean class contains a serializable POJO  ( without any getter/setter) property,  the encoder does not convert it into Binary Type, and looses the information.

Using that encoder , we can convert the Dataset of Bean to dataframe.

But When the dataframe is converted back to dataset, the serializable Pojo field  in the bean remains null. 



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