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https://issues.apache.org/jira/browse/SPARK-25770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17167324#comment-17167324
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S Daniel Zafar commented on SPARK-25770:
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[~adrian555], what would your preferred print look like?
> support SparkDataFrame pretty print
> -----------------------------------
>
> Key: SPARK-25770
> URL: https://issues.apache.org/jira/browse/SPARK-25770
> Project: Spark
> Issue Type: Improvement
> Components: SparkR
> Affects Versions: 2.3.0, 2.3.1, 2.3.2
> Reporter: Weiqiang Zhuang
> Priority: Minor
>
> This is for continuous discussion with a requirement added in
> [https://github.com/apache/spark/pull/22455#discussion_r223197863.]
>
> Summary:
> SparkDataFrame is a S4 object, `show()` is the default method to display the
> data frame to screen output. Currently the output is simply in string format
> returned by `showString()` call which pre-formats the data frame and displays
> as a table. This lacks the flexibility to re-format the output with a more
> user friendly and pretty fashion, as has been seen in 1) S3 object's
> `print()` method allows to specify arguments like `quote` etc to control the
> output; 2) external tools such as `Jupyter` R notebook implement their own
> customized way of display.
>
> This Jira aims to explore a feasible solution to improve the screen output
> experience by both supporting a pretty print from with the SparkR package and
> also offering a common hook for external tools to customize the display
> function.
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