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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2018/10/21 00:54:00 UTC

[jira] [Created] (SPARK-25791) Datatype of serializers in RowEncoder should be accessible

Liang-Chi Hsieh created SPARK-25791:
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             Summary: Datatype of serializers in RowEncoder should be accessible
                 Key: SPARK-25791
                 URL: https://issues.apache.org/jira/browse/SPARK-25791
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Liang-Chi Hsieh


The serializers of {{RowEncoder}} use few {{If}} Catalyst expression which inherits {{ComplexTypeMergingExpression}} that will check input data types.

It is possible to generate serializers which fail the check and can't to access the data type of serializers. When producing {{If}} expression, we should use the same data type at its input expressions.



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