polars.LazyFrame.lazy

LazyFrame.lazy() → Self

Return lazy representation, i.e. itself.

Useful for writing code that expects either a DataFrame or LazyFrame.

Returns:

LazyFrame

Examples

>>> lf = pl.LazyFrame(
...     {
...         "a": [None, 2, 3, 4],
...         "b": [0.5, None, 2.5, 13],
...         "c": [True, True, False, None],
...     }
... )
>>> lf.lazy()  
<LazyFrame at ...>