polars.LazyFrame.schema

property LazyFrame.schema: SchemaDict

Get a dict[column name, DataType].

Examples

>>> lf = pl.LazyFrame(
...     {
...         "foo": [1, 2, 3],
...         "bar": [6.0, 7.0, 8.0],
...         "ham": ["a", "b", "c"],
...     }
... )
>>> lf.schema
{'foo': Int64, 'bar': Float64, 'ham': Utf8}