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Copy pathcreate_catalog.rs
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100 lines (84 loc) · 2.68 KB
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// 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 std::{
fmt::{self, Display, Formatter},
sync::Arc,
};
use datafusion::logical_expr::CreateCatalog;
use pyo3::{prelude::*, IntoPyObjectExt};
use crate::{common::df_schema::PyDFSchema, sql::logical::PyLogicalPlan};
use super::logical_node::LogicalNode;
#[pyclass(name = "CreateCatalog", module = "datafusion.expr", subclass)]
#[derive(Clone)]
pub struct PyCreateCatalog {
create: CreateCatalog,
}
impl From<PyCreateCatalog> for CreateCatalog {
fn from(create: PyCreateCatalog) -> Self {
create.create
}
}
impl From<CreateCatalog> for PyCreateCatalog {
fn from(create: CreateCatalog) -> PyCreateCatalog {
PyCreateCatalog { create }
}
}
impl Display for PyCreateCatalog {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "CreateCatalog: {:?}", self.create.catalog_name)
}
}
#[pymethods]
impl PyCreateCatalog {
#[new]
pub fn new(
catalog_name: String,
if_not_exists: bool,
schema: PyDFSchema,
) -> PyResult<PyCreateCatalog> {
Ok(PyCreateCatalog {
create: CreateCatalog {
catalog_name,
if_not_exists,
schema: Arc::new(schema.into()),
},
})
}
pub fn catalog_name(&self) -> String {
self.create.catalog_name.clone()
}
pub fn if_not_exists(&self) -> bool {
self.create.if_not_exists
}
pub fn schema(&self) -> PyDFSchema {
(*self.create.schema).clone().into()
}
fn __repr__(&self) -> PyResult<String> {
Ok(format!("CreateCatalog({self})"))
}
fn __name__(&self) -> PyResult<String> {
Ok("CreateCatalog".to_string())
}
}
impl LogicalNode for PyCreateCatalog {
fn inputs(&self) -> Vec<PyLogicalPlan> {
vec![]
}
fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>> {
self.clone().into_bound_py_any(py)
}
}