polars.LazyFrame.set_sorted#
- LazyFrame.set_sorted(
- column: str | list[str],
- *more_columns: str,
- descending: bool | list[bool] = False,
- nulls_last: bool | list[bool] = False,
Flag a column as sorted.
This can speed up future operations.
- Parameters:
- column
Column(s) that is sorted
- more_columns
Columns that are sorted over after
column.- descending
Whether the column is sorted in descending order.
- nulls_last
Whether the nulls are at the end.
Warning
This can lead to incorrect results if the data is NOT sorted!! Use with care!