datafusion_python/expr/
exists.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::expr::Exists;
19use pyo3::prelude::*;
20
21use super::subquery::PySubquery;
22
23#[pyclass(name = "Exists", module = "datafusion.expr", subclass)]
24#[derive(Clone)]
25pub struct PyExists {
26    exists: Exists,
27}
28
29impl From<Exists> for PyExists {
30    fn from(exists: Exists) -> Self {
31        PyExists { exists }
32    }
33}
34
35#[pymethods]
36impl PyExists {
37    fn subquery(&self) -> PySubquery {
38        self.exists.subquery.clone().into()
39    }
40
41    fn negated(&self) -> bool {
42        self.exists.negated
43    }
44}
datafusion_python/expr/exists.rs

datafusion_python/expr/
exists.rs
