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https://issues.apache.org/jira/browse/SPARK-23060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16325110#comment-16325110
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Hyukjin Kwon commented on SPARK-23060:
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[~gianmarco.donetti], I think you refer Pandas's pipe -
https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.pipe.html?
I don't think it's worth adding it, for now. I think we have avoided to add
such APIs in my experience.
> RDD's apply function
> --------------------
>
> Key: SPARK-23060
> URL: https://issues.apache.org/jira/browse/SPARK-23060
> Project: Spark
> Issue Type: New Feature
> Components: PySpark
> Affects Versions: 2.2.1
> Reporter: Gianmarco Donetti
> Priority: Minor
> Labels: features, newbie
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> New function for RDDs -> apply
> >>> def foo(rdd):
> ... return rdd.map(lambda x: x.split('|')).filter(lambda x: x[0]
> == 'ERROR')
> >>> rdd = sc.parallelize(['ERROR|10', 'ERROR|12', 'WARNING|10',
> 'INFO|2'])
> >>> result = rdd.apply(foo)
> >>> result.collect()
> [('ERROR', '10'), ('ERROR', '12')]
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