Skip to content Skip to sidebar Skip to footer
Showing posts with the label Pyspark Sql

Check If Two Pyspark Rows Are Equal

I am writing unit tests for a Spark job, and some of the outputs are named tuples: pyspark.sql.Row … Read more Check If Two Pyspark Rows Are Equal

Convert A Pandas Dataframe To A Pyspark Dataframe

I have a script with the below setup. I am using: 1) Spark dataframes to pull data in 2) Converting… Read more Convert A Pandas Dataframe To A Pyspark Dataframe

Create A Column In A Pyspark Dataframe Using A List Whose Indices Are Present In One Column Of The Dataframe

I'm new to Python and PySpark. I have a dataframe in PySpark like the following: ## +---+---+--… Read more Create A Column In A Pyspark Dataframe Using A List Whose Indices Are Present In One Column Of The Dataframe

Selecting Empty Array Values From A Spark Dataframe

Given a DataFrame with the following rows: rows = [ Row(col1='abc', col2=[8], col3=[18]… Read more Selecting Empty Array Values From A Spark Dataframe

How To Use To_json And From_json To Eliminate Nested Structfields In Pyspark Dataframe?

This solution in theory, works perfectly for what I need, which is to create a new copied version o… Read more How To Use To_json And From_json To Eliminate Nested Structfields In Pyspark Dataframe?

Python Spark Dataframe: Replace Null With Sparsevector

In spark, I have following data frame called 'df' with some null entries: +-------+--------… Read more Python Spark Dataframe: Replace Null With Sparsevector