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Big data & Spark

PySpark jobs, partitioning, batch processing, and large-dataset transform patterns.

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Big data & Spark easy

How to Explode an Array Column in Python

This code demonstrates a mock explode operation that converts an array column into multiple rows, similar to Spark's explode function.

explode arrays pyspark
Python 
import json 

def explode_array_column(data, column):
    """Mock explode: split array column into multiple rows."""
    exploded = []
    for row in data:
        values = row.get(column, [])
        for value in values:
            new_row = dict(row)
            new_row[column] = value
            exploded.append(n…
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