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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2019/04/04 10:40:00 UTC
[jira] [Commented] (SPARK-27385) use mapPartitionsWIthIndex in
Dataframe
[ https://issues.apache.org/jira/browse/SPARK-27385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16809706#comment-16809706 ]
Liang-Chi Hsieh commented on SPARK-27385:
-----------------------------------------
I don't really see {dataframe.rdd.mapPartitionsWithIndex}} gives any significant advantage over {{dataframe.mapPartitionsWithIndex}}, if you just want to do {{mapPartitionsWithIndex}} on the underlying rdd.
> use mapPartitionsWIthIndex in Dataframe
> ---------------------------------------
>
> Key: SPARK-27385
> URL: https://issues.apache.org/jira/browse/SPARK-27385
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 1.6.0, 1.6.1, 1.6.2, 1.6.3
> Reporter: 范晓亮
> Priority: Minor
> Labels: DataFrame, mapPartitionsWithIndex
>
> As there is no mapPartitionsWithIndex in Dataframe ,if I want to use mapPartitionsWithIndex, I have to use dataframe.rdd.mapPartitionsWithIndex instade. What I want to do is to use mapPartitionsWithIndex directly in Dataframe. So, I want to add mapPartitionsWithIndex in Dataframe, that's all.
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