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https://issues.apache.org/jira/browse/SPARK-7435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14533454#comment-14533454
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Apache Spark commented on SPARK-7435:
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User 'rekhajoshm' has created a pull request for this issue:
https://github.com/apache/spark/pull/5989
> Make DataFrame.show() consistent with that of Scala and pySpark
> ---------------------------------------------------------------
>
> Key: SPARK-7435
> URL: https://issues.apache.org/jira/browse/SPARK-7435
> Project: Spark
> Issue Type: Improvement
> Components: SparkR
> Affects Versions: 1.4.0
> Reporter: Sun Rui
> Priority: Blocker
>
> Currently in SparkR, DataFrame has two methods show() and showDF(). show()
> prints the DataFrame column names and types and showDF() prints the first
> numRows rows of a DataFrame.
> In Scala and pySpark, show() is used to prints rows of a DataFrame.
> We'd better keep API consistent unless there is some important reason. So
> propose to interchange the names (show() and showDF()) in SparkR.
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