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https://issues.apache.org/jira/browse/SPARK-13841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian resolved SPARK-13841.
--------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 11678
[https://github.com/apache/spark/pull/11678]
> Remove Dataset.collectRows() and Dataset.takeRows()
> ---------------------------------------------------
>
> Key: SPARK-13841
> URL: https://issues.apache.org/jira/browse/SPARK-13841
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
> Fix For: 2.0.0
>
>
> These two methods were added because the original {{DataFrame.collect()}} and
> {{DataFrame.take()}} methods became methods of {{Dataset\[T\]}} after merging
> DataFrame and Dataset API. However, Java doesn't allow returning generic
> array, and thus erased their return type to {{Object}}. This breaks
> compilation of Java code. After discussion, we decided to simply resort to
> existing {{collectAsList()}} and {{takeAsList()}} methods and remove these
> two extra specialized ones.
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