withColumn Archives - BIG DATA PROGRAMMERS

Add multiple columns in spark dataframe

Tagged: add column, Add multiple columns in spark dataframe, dataframe, new columns, RDD, Spark, spark new columns, withColumn

Requirement: There is spark dataframe, in which it is needed to add multiple columns altogether, without writing the withColumn , multiple times, As you are not sure, how many columns would be available. Solution : Step 1: A spark Dataframe Enter into your spark-shell , and create a sample dataframe,Read More →

How to add new column in Spark Dataframe

Tagged: json, spark dataframe, withColumn, withColumnRenamed

Requirement When we ingest data from source to Hadoop data lake, we used to add some additional columns with the existing data source. These columns basically help to validate and analyze the data. So, in this post, we will walk through how we can add some additional columns with theRead More →