Function datafusion::logical_expr::function::return_type
source · pub fn return_type(
fun: &BuiltinScalarFunction,
input_expr_types: &[DataType]
) -> Result<DataType, DataFusionError>
👎Deprecated since 27.0.0: please use
BuiltinScalarFunction::return_type
insteadExpand description
Returns the datatype of the scalar function