[jira] [Created] (SPARK-21191) DataFrame Row StructType check duplicate name

["darion yaphet (JIRA)" <ji...@apache.org>]

darion yaphet created SPARK-21191:
-------------------------------------

             Summary: DataFrame Row StructType check duplicate name
                 Key: SPARK-21191
                 URL: https://issues.apache.org/jira/browse/SPARK-21191
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.1.1, 2.0.2, 2.0.0
            Reporter: darion yaphet


Currently , when we create a dataframe with *toDF(columns:String)* or describe from *StructType* can't avoid have duplicated name .

{code:scala}
val dataset = Seq(
      (0, 3, 4),
      (0, 4, 3),
      (0, 5, 2),
      (1, 3, 3),
      (1, 5, 6),
      (1, 4, 2),
      (2, 3, 5),
      (2, 5, 4),
      (2, 4, 3)
    ).toDF("1", "1", "2").show
{code}

{code}
+---+---+---+
|  1|  1|  2|
+---+---+---+
|  0|  3|  4|
|  0|  4|  3|
|  0|  5|  2|
|  1|  3|  3|
|  1|  5|  6|
|  1|  4|  2|
|  2|  3|  5|
|  2|  5|  4|
|  2|  4|  3|
+---+---+---+
{code}



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