polars.DataFrame.schema#

property DataFrame.schema: OrderedDict[str, DataType][source]#

Get a mapping of column names to their data type.

Returns:

OrderedDict: An ordered mapping of column names to their data type.

Examples

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