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  1. Spark
  2. SPARK-24012

Union of map and other compatible column

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.1.0, 2.2.1
    • Fix Version/s: 2.4.0
    • Component/s: SQL
    • Labels:
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      Description

      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:

      Error in query: unresolved operator 'Union;;
      'Union
      :- Project map(1, 2) AS map(1, 2)#106, str AS str#107
      : +- 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))#109, 1 AS 1#108
      +- OneRowRelation$

       

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            • Assignee:
              liutang123 Lijia Liu
              Reporter:
              liutang123 Lijia Liu
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              Dates

              • Created:
                Updated:
                Resolved: