Understanding Lazy Evaluation in Polars

Understand what is eager and lazy execution and how you can use lazy execution to optimize your queries

Wei-Meng Lee
Towards Data Science
7 min readJul 15, 2022

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Photo by Hans-Jurgen Mager on Unsplash

In my previous article on Polars, I introduced you to the Polars DataFrame library that is much more efficient than the Pandas DataFrame.

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