polars.LazyFrame.set_sorted

LazyFrame.set_sorted(

column: str,

*,

descending: bool = False,

) → LazyFrame

Indicate that one or multiple columns are sorted.

This can speed up future operations.

Parameters:

column

Columns that are sorted

descending

Whether the columns are sorted in descending order.

Warning

This can lead to incorrect results if the data is NOT sorted!! Use with care!