问题描述
原文地址:https://databricks.com/blog/20 ... .htmlApache Spark 1.3 版本引入了新的Data Frame API,对大数据集、结构化数据集的操作变得更快速和更容易。代码示例:# Constructs a DataFrame from a JSON dataset.users = context.load("s3n://path/to/users.json", "json")# Create a new DataFrame that contains “young users” onlyyoung = users.filter(users.age
时间: 2024-09-14 10:36:07