datafusion_python/expr/
scalar_subquery.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::Subquery;
19use pyo3::prelude::*;
20
21use super::subquery::PySubquery;
22
23#[pyclass(
24    from_py_object,
25    frozen,
26    name = "ScalarSubquery",
27    module = "datafusion.expr",
28    subclass
29)]
30#[derive(Clone)]
31pub struct PyScalarSubquery {
32    subquery: Subquery,
33}
34
35impl From<PyScalarSubquery> for Subquery {
36    fn from(subquery: PyScalarSubquery) -> Self {
37        subquery.subquery
38    }
39}
40
41impl From<Subquery> for PyScalarSubquery {
42    fn from(subquery: Subquery) -> PyScalarSubquery {
43        PyScalarSubquery { subquery }
44    }
45}
46
47#[pymethods]
48impl PyScalarSubquery {
49    fn subquery(&self) -> PySubquery {
50        self.subquery.clone().into()
51    }
52}
datafusion_python/expr/scalar_subquery.rs

datafusion_python/expr/
scalar_subquery.rs
