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https://issues.apache.org/jira/browse/SPARK-21191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sean Owen resolved SPARK-21191.
-------------------------------
Resolution: Duplicate
> 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: 2.0.0, 2.0.2, 2.1.1
> 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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