datafusion_python/expr/
drop_table.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 std::fmt::{self, Display, Formatter};
19
20use datafusion::logical_expr::logical_plan::DropTable;
21use pyo3::{prelude::*, IntoPyObjectExt};
22
23use crate::sql::logical::PyLogicalPlan;
24
25use super::logical_node::LogicalNode;
26
27#[pyclass(name = "DropTable", module = "datafusion.expr", subclass)]
28#[derive(Clone)]
29pub struct PyDropTable {
30    drop: DropTable,
31}
32
33impl From<PyDropTable> for DropTable {
34    fn from(drop: PyDropTable) -> Self {
35        drop.drop
36    }
37}
38
39impl From<DropTable> for PyDropTable {
40    fn from(drop: DropTable) -> PyDropTable {
41        PyDropTable { drop }
42    }
43}
44
45impl Display for PyDropTable {
46    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
47        write!(
48            f,
49            "DropTable
50            name: {:?}
51            if_exists: {:?}
52            schema: {:?}",
53            &self.drop.name, &self.drop.if_exists, &self.drop.schema,
54        )
55    }
56}
57
58#[pymethods]
59impl PyDropTable {
60    fn name(&self) -> PyResult<String> {
61        Ok(self.drop.name.to_string())
62    }
63
64    fn input(&self) -> PyResult<Vec<PyLogicalPlan>> {
65        Ok(Self::inputs(self))
66    }
67
68    fn if_exists(&self) -> bool {
69        self.drop.if_exists
70    }
71
72    fn __repr__(&self) -> PyResult<String> {
73        Ok(format!("DropTable({})", self))
74    }
75
76    fn __name__(&self) -> PyResult<String> {
77        Ok("DropTable".to_string())
78    }
79}
80
81impl LogicalNode for PyDropTable {
82    fn inputs(&self) -> Vec<PyLogicalPlan> {
83        vec![]
84    }
85
86    fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>> {
87        self.clone().into_bound_py_any(py)
88    }
89}