pyspark-sql

Cannot find col function in pyspark

Cannot find col function in pyspark Question: In pyspark 1.6.2, I can import col function by from pyspark.sql.functions import col but when I try to look it up in the Github source code I find no col function in functions.py file, how can python import a function that doesn’t exist? Asked By: Bamqf || Source …

Total answers: 7

writing a csv with column names and reading a csv file which is being generated from a sparksql dataframe in Pyspark

writing a csv with column names and reading a csv file which is being generated from a sparksql dataframe in Pyspark Question: i have started the shell with databrick csv package #../spark-1.6.1-bin-hadoop2.6/bin/pyspark –packages com.databricks:spark-csv_2.11:1.3.0 Then i read a csv file did some groupby op and dump that to a csv. from pyspark.sql import SQLContext sqlContext …

Total answers: 5