在pyspark中,日期类型是通过DateType来表示的。如果报错提示"pyspark name ‘DateType’ is not defined",则说明没有正确导入pyspark.sql.types模块。需要使用以下代码导入: frompyspark.sql.typesimportDateType 1. 步骤4:检查并修正代码中可能存在的问题 如果按照以上步骤进行了操作,但仍然出现报错提示"pyspark name ...
from decimal import Decimal from pyspark import SparkContext sc= SparkContext.getOrCreate( ) acTransList = ["SB10001,1000", "SB10002,1200", "SB10003,8000", "SB10004,400", "SB10005,300", "SB10006,10000", "SB10007,500", "SB10008,56", "SB10009,30","SB10010,7000", "CR10001,7000...
字符串 对于第二个问题，您必须确保正确安装了Java，并正确设置了JAVA_HOME。
字符串 对于第二个问题，您必须确保正确安装了Java，并正确设置了JAVA_HOME。
>>> import pyspark >>> textFile = spark.read.text("README.md") Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'spark' is not defined This is how I start it - ./bin/pyspark --master local[*] apache-spark pyspark Share Improve ...
PySpark NameError: name 'SparkConf' is not defined 6339查看caden L51 + 关注Ta 2017-01-07 11:08 来自: Spark RDD 简介与操作 使用 conf = SparkConf().setAppName("Shiyanlou").setMaster("spark://a8c8c33bdc2b:7077") Traceback (most recent call last): File "", line 1, in NameError...
from pyspark.sql.functions import * and then on the following iteration tries running df.groupBy('product_department_desc').agg(F.sum('product_qty').alias('total_qty')).sort(F.desc('total_qty')).show() This fails with the error 'name 'F' is not defined' because the alias is not ...
PySpark NameError: name 'SparkConf' is not defined 来自:Spark 大数据动手实验 caden L51 2017-01-07 11:08 2回复 6169查看 使用 conf = SparkConf().setAppName("Shiyanlou").setMaster("spark://a8c8c33bdc2b:7077") Traceback (most recent call last): File "", line 1, in NameError: name...