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(frozen, name = "BinaryExpr", module = "datafusion.expr", subclass)]
24#[derive(Clone)]
25pub struct PyBinaryExpr {
26    expr: BinaryExpr,
27}
28
29impl From<PyBinaryExpr> for BinaryExpr {
30    fn from(expr: PyBinaryExpr) -> Self {
31        expr.expr
32    }
33}
34
35impl From<BinaryExpr> for PyBinaryExpr {
36    fn from(expr: BinaryExpr) -> PyBinaryExpr {
37        PyBinaryExpr { expr }
38    }
39}
40
41#[pymethods]
42impl PyBinaryExpr {
43    fn left(&self) -> PyExpr {
44        self.expr.left.as_ref().clone().into()
45    }
46
47    fn right(&self) -> PyExpr {
48        self.expr.right.as_ref().clone().into()
49    }
50
51    fn op(&self) -> String {
52        format!("{}", self.expr.op)
53    }
54
55    fn __repr__(&self) -> PyResult<String> {
56        Ok(format!("{}", self.expr))
57    }
58}