Scala105-Spark.sql中collect_list用法_sparksql collect_list-CSDN博客

网站介绍:文章浏览阅读3.6k次。import org.apache.spark.sql.functions._import spark.implicits._import org.apache.spark.ml.feature.VectorAssemblerimport org.apache.spark.ml.linalg.{Vector, Vectors}import org.apache.spark.sql.{DataFrame, Row, SparkSession}import org.apache.spark.sql._sparksql collect_list