1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
use datafusion::logical_expr::expr::Exists;
use pyo3::prelude::*;
use super::subquery::PySubquery;
#[pyclass(
from_py_object,
frozen,
name = "Exists",
module = "datafusion.expr",
subclass
)]
#[derive(Clone)]
pub struct PyExists {
exists: Exists,
}
impl From<Exists> for PyExists {
fn from(exists: Exists) -> Self {
PyExists { exists }
}
}
#[pymethods]
impl PyExists {
fn subquery(&self) -> PySubquery {
self.exists.subquery.clone().into()
}
fn negated(&self) -> bool {
self.exists.negated
}
}