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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 {}