Coding & Programming

Python Polars read_csv vs scan_csv
Coding & Programming, How-To Guides, Python

Python Polars read_csv vs scan_csv: 5 Important Differences You Must Know

The core Python Polars read_csv vs scan_csv difference lies in their execution models. While read_csv performs eager execution by loading the entire dataset into memory immediately, scan_csv utilizes lazy execution. This means scan_csv creates an optimized query plan and only processes data when strictly necessary, making it superior for handling large datasets that exceed system RAM.

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