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(name = "ScalarSubquery", module = "datafusion.expr", subclass)]
24#[derive(Clone)]
25pub struct PyScalarSubquery {
26    subquery: Subquery,
27}
28
29impl From<PyScalarSubquery> for Subquery {
30    fn from(subquery: PyScalarSubquery) -> Self {
31        subquery.subquery
32    }
33}
34
35impl From<Subquery> for PyScalarSubquery {
36    fn from(subquery: Subquery) -> PyScalarSubquery {
37        PyScalarSubquery { subquery }
38    }
39}
40
41#[pymethods]
42impl PyScalarSubquery {
43    fn subquery(&self) -> PySubquery {
44        self.subquery.clone().into()
45    }
46}
datafusion_python/expr/scalar_subquery.rs

datafusion_python/expr/
scalar_subquery.rs
