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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2018/01/12 16:28:00 UTC
[jira] [Commented] (SPARK-23060) RDD's apply function
[ https://issues.apache.org/jira/browse/SPARK-23060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16324192#comment-16324192 ]
Sean Owen commented on SPARK-23060:
-----------------------------------
What does this mean? you want to add a function called apply? how is this different from map?
> 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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