datafusion_python/expr/
create_memory_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::CreateMemoryTable;
21use pyo3::{prelude::*, IntoPyObjectExt};
22
23use crate::sql::logical::PyLogicalPlan;
24
25use super::logical_node::LogicalNode;
26
27#[pyclass(name = "CreateMemoryTable", module = "datafusion.expr", subclass)]
28#[derive(Clone)]
29pub struct PyCreateMemoryTable {
30    create: CreateMemoryTable,
31}
32
33impl From<PyCreateMemoryTable> for CreateMemoryTable {
34    fn from(create: PyCreateMemoryTable) -> Self {
35        create.create
36    }
37}
38
39impl From<CreateMemoryTable> for PyCreateMemoryTable {
40    fn from(create: CreateMemoryTable) -> PyCreateMemoryTable {
41        PyCreateMemoryTable { create }
42    }
43}
44
45impl Display for PyCreateMemoryTable {
46    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
47        write!(
48            f,
49            "CreateMemoryTable
50            Name: {:?}
51            Input: {:?}
52            if_not_exists: {:?}
53            or_replace: {:?}",
54            &self.create.name,
55            &self.create.input,
56            &self.create.if_not_exists,
57            &self.create.or_replace,
58        )
59    }
60}
61
62#[pymethods]
63impl PyCreateMemoryTable {
64    fn name(&self) -> PyResult<String> {
65        Ok(self.create.name.to_string())
66    }
67
68    fn input(&self) -> PyResult<Vec<PyLogicalPlan>> {
69        Ok(Self::inputs(self))
70    }
71
72    fn if_not_exists(&self) -> bool {
73        self.create.if_not_exists
74    }
75
76    fn or_replace(&self) -> bool {
77        self.create.or_replace
78    }
79
80    fn __repr__(&self) -> PyResult<String> {
81        Ok(format!("CreateMemoryTable({})", self))
82    }
83
84    fn __name__(&self) -> PyResult<String> {
85        Ok("CreateMemoryTable".to_string())
86    }
87}
88
89impl LogicalNode for PyCreateMemoryTable {
90    fn inputs(&self) -> Vec<PyLogicalPlan> {
91        vec![PyLogicalPlan::from((*self.create.input).clone())]
92    }
93
94    fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>> {
95        self.clone().into_bound_py_any(py)
96    }
97}