pyspark调用hdfs数据
时间: 2024-04-18 10:17:04
浏览: 88
要在PySpark中[调用](https://geek.csdn.net/educolumn/67aac0e278b6ccafb1cca450c4252459?spm=1055.2569.3001.10083)[hdfs](https://geek.csdn.net/educolumn/63bacd7612af2f5ebfa995b539104ee6?spm=1055.2569.3001.10083)数据,可以按照以下[步骤](https://geek.csdn.net/educolumn/41e918968ef7840279c31b7f6a0950e3?spm=1055.2569.3001.10083)进行操作:
1. 首先,需要导入必要的Spark模块和[[函数](https://geek.csdn.net/educolumn/2319d2a62911adc34b96ea572d8225a2?spm=1055.2569.3001.10083)](https://geek.csdn.net/educolumn/ba94496e6cfa8630df5d047358ad9719?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083):
```python
from pyspark.sql import SparkSession
from pyspark.sql.functions import col
```