Spark005---map、mapPartitions_mappartitionsrdd missing an output-CSDN博客

网友收藏2024-01-23 00:46

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文章浏览阅读1k次。Intromap、mapPartitions的使用和差异mapimport org.apache.spark.sql.SparkSessionval spark = SparkSession.builder().master("local[*]").getOrCreate()import org.apache.spark.sql.SparkSessionspark: org.apache.spark.sql.SparkSession = org.apache.spark.sql.SparkSe_mappartitionsrdd missing an output

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