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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/05/03 08:17:06 UTC

[jira] [Assigned] (SPARK-7324) Add DataFrame.dropDuplicates

     [ https://issues.apache.org/jira/browse/SPARK-7324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-7324:
-----------------------------------

    Assignee:     (was: Apache Spark)

> Add DataFrame.dropDuplicates
> ----------------------------
>
>                 Key: SPARK-7324
>                 URL: https://issues.apache.org/jira/browse/SPARK-7324
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>
> Similar to http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.drop_duplicates.html
> def dropDuplicates(): DataFrame
> def dropDuplicates(subset: Seq[String]): DataFrame
> We can turn this into groupBy(cols).agg(first(...))



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