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From "Cheng Lian (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-12323) Don't assign default value for non-nullable columns of a Dataset
Date Mon, 14 Dec 2015 17:16:46 GMT
Cheng Lian created SPARK-12323:
----------------------------------

             Summary: Don't assign default value for non-nullable columns of a Dataset
                 Key: SPARK-12323
                 URL: https://issues.apache.org/jira/browse/SPARK-12323
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.6.0, 2.0.0
            Reporter: Cheng Lian
            Assignee: Cheng Lian


For a field of a Dataset, if it's specified as non-nullable in the schema of the Dataset,
we shouldn't assign default value for it if input data contain null. Instead, a runtime exception
with nice error message should be thrown, and ask the user to use {{Option}} or nullable types
(e.g., {{java.lang.Integer}} instead of {{scala.Int}}).



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