Ivankings commented on issue #24293: add mapPartitionWithIndex to Dataframe URL: https://github.com/apache/spark/pull/24293#issuecomment-479751213 If I want to use mapPartitionsWithIndex in Dataframe df, I have to use df.rdd.mapPartitionsWithIndex instade. What I want to do is to use mapPartitionsWithIndex directly in Dataframe. So, I add mapPartitionsWithIndex in Dataframe, that's all.
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