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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 datafusion::logical_expr::Extension;
use pyo3::IntoPyObjectExt;
use pyo3::prelude::*;
use super::logical_node::LogicalNode;
use crate::sql::logical::PyLogicalPlan;
#[pyclass(
from_py_object,
frozen,
name = "Extension",
module = "datafusion.expr",
subclass
)]
#[derive(Clone)]
pub struct PyExtension {
pub node: Extension,
}
impl From<Extension> for PyExtension {
fn from(node: Extension) -> PyExtension {
PyExtension { node }
}
}
#[pymethods]
impl PyExtension {
fn name(&self) -> PyResult<String> {
Ok(self.node.node.name().to_string())
}
}
impl LogicalNode for PyExtension {
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)
}
}