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Posted to issues@spark.apache.org by "Tomasz Gawęda (JIRA)" <ji...@apache.org> on 2018/04/11 14:41:00 UTC
[jira] [Commented] (SPARK-12105) Add a DataFrame.show() with
argument for output PrintStream
[ https://issues.apache.org/jira/browse/SPARK-12105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434015#comment-16434015 ]
Tomasz Gawęda commented on SPARK-12105:
---------------------------------------
+1, It's a quite common question on StackOverflow: "how to print show() result in custom PrintStream"
> Add a DataFrame.show() with argument for output PrintStream
> -----------------------------------------------------------
>
> Key: SPARK-12105
> URL: https://issues.apache.org/jira/browse/SPARK-12105
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.5.2
> Reporter: Dean Wampler
> Priority: Minor
>
> It would be nice to send the output of DataFrame.show(...) to a different output stream than stdout, including just capturing the string itself. This is useful, e.g., for testing. Actually, it would be sufficient and perhaps better to just make DataFrame.showString a public method,
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