polars_lazy::dsl::python_udf

Struct PythonUdfExpression

pub struct PythonUdfExpression { /* private fields */ }
Available on crate feature python only.

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impl PythonUdfExpression

pub fn new( lambda: Py<PyAny>, output_type: Option<DataType>, is_elementwise: bool, returns_scalar: bool, ) -> PythonUdfExpression

Trait Implementations§

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impl ColumnsUdf for PythonUdfExpression

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fn call_udf(&self, s: &mut [Column]) -> Result<Option<Column>, PolarsError>

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fn try_serialize(&self, buf: &mut Vec<u8>) -> Result<(), PolarsError>

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fn as_any(&self) -> &(dyn Any + 'static)

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