datafusion_python/expr/signature.rs
1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements. See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership. The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License. You may obtain a copy of the License at
8//
9// http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied. See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use datafusion::logical_expr::{TypeSignature, Volatility};
19use pyo3::prelude::*;
20
21#[allow(dead_code)]
22#[pyclass(
23 from_py_object,
24 frozen,
25 name = "Signature",
26 module = "datafusion.expr",
27 subclass
28)]
29#[derive(Clone)]
30pub struct PySignature {
31 type_signature: TypeSignature,
32 volatility: Volatility,
33}
34
35impl PySignature {
36 pub fn new(type_signature: TypeSignature, volatility: Volatility) -> Self {
37 Self {
38 type_signature,
39 volatility,
40 }
41 }
42}
43
44#[pymethods]
45impl PySignature {}