Saturday, March 23, 2024

DataBricks ⏩How to remove NULL values from PySpark arrays?

In this tutorial, you will learn "How to remove NULL values from PySpark arrays?" in DataBricks.

In PySpark, the array_compact function is used to remove null elements from an array. It returns a new array with null elements removed. This function is useful when dealing with arrays in DataFrame columns, especially when you want to clean up or filter out null values from array-type columns.

💎You will frequently want to throw out the NULL values in a PySpark array rather than write logic to deal with these values. array_compact makes getting rid of NULL values quite easy.