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