polars.LazyFrame.set_sorted#
- LazyFrame.set_sorted(column: str, *, descending: bool = False) Self[source]#
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!