#_*_coding:utf-8_*_ # spark读取csv文件 #指定schema: schema = StructType([ # true代表不为null StructField("column_1", StringType(), True), # nullable=True, this field can not be null StructField("column_2", StringType(), True), StructField("…
sparkR读取csv文件 The general method for creating SparkDataFrames from data sources is read.df. This method takes in the path for the file to load and the type of data source, and the currently active SparkSession will be used automatically. SparkR suppo…
最近做了一个Upload文件的需求,文件的格式为CSV,读取文件的方法整理了一下,如下: 1.先写了一个读取CSV文件的Function: '读取CSV文件 '假设传入的参数strFile=C:\Documents and Settings\Administrator\桌面\TPA_Report1 - 副本.CSV Public Function Read_CSVFile(strFile As String) As ADODB.Recordset Dim rs As ADODB.Recordse…