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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::IntoPyObjectExt;
22use pyo3::prelude::*;
23
24use super::logical_node::LogicalNode;
25use crate::sql::logical::PyLogicalPlan;
26
27#[pyclass(
28    from_py_object,
29    frozen,
30    name = "DropTable",
31    module = "datafusion.expr",
32    subclass
33)]
34#[derive(Clone)]
35pub struct PyDropTable {
36    drop: DropTable,
37}
38
39impl From<PyDropTable> for DropTable {
40    fn from(drop: PyDropTable) -> Self {
41        drop.drop
42    }
43}
44
45impl From<DropTable> for PyDropTable {
46    fn from(drop: DropTable) -> PyDropTable {
47        PyDropTable { drop }
48    }
49}
50
51impl Display for PyDropTable {
52    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
53        write!(
54            f,
55            "DropTable
56            name: {:?}
57            if_exists: {:?}
58            schema: {:?}",
59            &self.drop.name, &self.drop.if_exists, &self.drop.schema,
60        )
61    }
62}
63
64#[pymethods]
65impl PyDropTable {
66    fn name(&self) -> PyResult<String> {
67        Ok(self.drop.name.to_string())
68    }
69
70    fn input(&self) -> PyResult<Vec<PyLogicalPlan>> {
71        Ok(Self::inputs(self))
72    }
73
74    fn if_exists(&self) -> bool {
75        self.drop.if_exists
76    }
77
78    fn __repr__(&self) -> PyResult<String> {
79        Ok(format!("DropTable({self})"))
80    }
81
82    fn __name__(&self) -> PyResult<String> {
83        Ok("DropTable".to_string())
84    }
85}
86
87impl LogicalNode for PyDropTable {
88    fn inputs(&self) -> Vec<PyLogicalPlan> {
89        vec![]
90    }
91
92    fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>> {
93        self.clone().into_bound_py_any(py)
94    }
95}