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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2016/10/11 05:37:20 UTC

[jira] [Created] (SPARK-17867) Dataset.dropDuplicates (i.e. distinct) should consider the columns with same column name

Liang-Chi Hsieh created SPARK-17867:
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             Summary: 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


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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