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Posted to issues@spark.apache.org by "Lijia Liu (JIRA)" <ji...@apache.org> on 2018/04/18 11:18:00 UTC

[jira] [Created] (SPARK-24012) Union of map and other compatible column

Lijia Liu created SPARK-24012:
---------------------------------

             Summary: Union of map and other compatible column
                 Key: SPARK-24012
                 URL: https://issues.apache.org/jira/browse/SPARK-24012
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.2.1, 2.1.0
            Reporter: Lijia Liu


Union of map and other compatible column result in unresolved operator 'Union; exception

 

Reproduction

spark-sql>*select map(1,2), 'str' union all select map(1,2,3,null), 1*

Output:

'Union

:- Project [map(1, 2) AS map(1, 2)#6655, str AS str#6656]

:  +- OneRowRelation

+- Project [map(1, cast(2 as int), 3, cast(null as int)) AS map(1, CAST(2 AS INT), 3, CAST(NULL AS INT))#6658, 1 AS 1#6657]

   +- OneRowRelation



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