datafusion_python/expr/binary_expr.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::BinaryExpr;
19use pyo3::prelude::*;
20
21use crate::expr::PyExpr;
22
23#[pyclass(
24 from_py_object,
25 frozen,
26 name = "BinaryExpr",
27 module = "datafusion.expr",
28 subclass
29)]
30#[derive(Clone)]
31pub struct PyBinaryExpr {
32 expr: BinaryExpr,
33}
34
35impl From<PyBinaryExpr> for BinaryExpr {
36 fn from(expr: PyBinaryExpr) -> Self {
37 expr.expr
38 }
39}
40
41impl From<BinaryExpr> for PyBinaryExpr {
42 fn from(expr: BinaryExpr) -> PyBinaryExpr {
43 PyBinaryExpr { expr }
44 }
45}
46
47#[pymethods]
48impl PyBinaryExpr {
49 fn left(&self) -> PyExpr {
50 self.expr.left.as_ref().clone().into()
51 }
52
53 fn right(&self) -> PyExpr {
54 self.expr.right.as_ref().clone().into()
55 }
56
57 fn op(&self) -> String {
58 format!("{}", self.expr.op)
59 }
60
61 fn __repr__(&self) -> PyResult<String> {
62 Ok(format!("{}", self.expr))
63 }
64}