datafusion_python/expr/
create_catalog_schema.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};
19use std::sync::Arc;
20
21use datafusion::logical_expr::CreateCatalogSchema;
22use pyo3::prelude::*;
23use pyo3::IntoPyObjectExt;
24
25use super::logical_node::LogicalNode;
26use crate::common::df_schema::PyDFSchema;
27use crate::sql::logical::PyLogicalPlan;
28
29#[pyclass(
30    frozen,
31    name = "CreateCatalogSchema",
32    module = "datafusion.expr",
33    subclass
34)]
35#[derive(Clone)]
36pub struct PyCreateCatalogSchema {
37    create: CreateCatalogSchema,
38}
39
40impl From<PyCreateCatalogSchema> for CreateCatalogSchema {
41    fn from(create: PyCreateCatalogSchema) -> Self {
42        create.create
43    }
44}
45
46impl From<CreateCatalogSchema> for PyCreateCatalogSchema {
47    fn from(create: CreateCatalogSchema) -> PyCreateCatalogSchema {
48        PyCreateCatalogSchema { create }
49    }
50}
51
52impl Display for PyCreateCatalogSchema {
53    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
54        write!(f, "CreateCatalogSchema: {:?}", self.create.schema_name)
55    }
56}
57
58#[pymethods]
59impl PyCreateCatalogSchema {
60    #[new]
61    pub fn new(
62        schema_name: String,
63        if_not_exists: bool,
64        schema: PyDFSchema,
65    ) -> PyResult<PyCreateCatalogSchema> {
66        Ok(PyCreateCatalogSchema {
67            create: CreateCatalogSchema {
68                schema_name,
69                if_not_exists,
70                schema: Arc::new(schema.into()),
71            },
72        })
73    }
74
75    pub fn schema_name(&self) -> String {
76        self.create.schema_name.clone()
77    }
78
79    pub fn if_not_exists(&self) -> bool {
80        self.create.if_not_exists
81    }
82
83    pub fn schema(&self) -> PyDFSchema {
84        (*self.create.schema).clone().into()
85    }
86
87    fn __repr__(&self) -> PyResult<String> {
88        Ok(format!("CreateCatalogSchema({self})"))
89    }
90
91    fn __name__(&self) -> PyResult<String> {
92        Ok("CreateCatalogSchema".to_string())
93    }
94}
95
96impl LogicalNode for PyCreateCatalogSchema {
97    fn inputs(&self) -> Vec<PyLogicalPlan> {
98        vec![]
99    }
100
101    fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>> {
102        self.clone().into_bound_py_any(py)
103    }
104}
datafusion_python/expr/create_catalog_schema.rs

datafusion_python/expr/
create_catalog_schema.rs
