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https://issues.apache.org/jira/browse/SPARK-17867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16016021#comment-16016021
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Mitesh commented on SPARK-17867:
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Ah I see, thanks [~viirya]. The repartitionByColumns is just a short-cut method
I created. But I do have some aliasing code changes compared to 2.1, I will try
to remove those and see if that is whats breaking it.
> Dataset.dropDuplicates (i.e. distinct) should consider the columns with same
> column name
> ----------------------------------------------------------------------------------------
>
> Key: SPARK-17867
> URL: https://issues.apache.org/jira/browse/SPARK-17867
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Fix For: 2.1.0
>
>
> We find and get the first resolved attribute from output with the given
> column name in Dataset.dropDuplicates. When we have the more than one columns
> with the same name. Other columns are put into aggregation columns, instead
> of grouping columns. We should fix this.
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