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 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", "SB10002,-10"] acTr...
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。
from pyspark.sql.types import TimestampType,IntegerType,StringType from datetime import timedelta from elasticsearch import Elasticsearch from elasticsearch.exceptions import NotFoundError sc_shil = SparkContext(appName="Test_Shil") sc_shil.setLogLevel("WARN") sqlCtx_shil = SQLContext(sc_shil) spark...
pyspark设置存储等级时 intRddMemoryAndDisk.persist(StorageLevel.MEMORY_AND_DISK) 报错:name 'StorageLevel' is not 1.9K20 关于“NameError: name 代码如图 在运行python脚本时报出“NameError: name 'raw_input' is not defined”错误 查看当前使用的python版本 修改代码,python3不再支持 ...
见下图。您需要单击lkink并导入.dbc 然后你会看到各种各样的设置。e、 g.需要的Map。好东西。你可以...
File "<string>", line 1, in bind socket.gaierror: [Errno -3] Temporary failure in name resolution >>> num = sc.parallelize([1,2,3,4]) Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'sc' is not defined 刚开始无...
Converting a column from string to to_date populating a different month in pyspark I am using spark 1.6.3. When converting a column val1 (of datatype string) to date, the code is populating a different month in the result than what's in the source. For example, suppose my source is...
Converting a column from string to to_date populating a different month in pyspark I am using spark 1.6.3. When converting a column val1 (of datatype string) to date, the code is populating a different month in the result than what's in the source. For example, suppose my source is ...