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drop_table.rs
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89 lines (74 loc) · 2.33 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};
use datafusion::logical_expr::logical_plan::DropTable;
use pyo3::{prelude::*, IntoPyObjectExt};
use crate::sql::logical::PyLogicalPlan;
use super::logical_node::LogicalNode;
#[pyclass(name = "DropTable", module = "datafusion.expr", subclass)]
#[derive(Clone)]
pub struct PyDropTable {
drop: DropTable,
}
impl From<PyDropTable> for DropTable {
fn from(drop: PyDropTable) -> Self {
drop.drop
}
}
impl From<DropTable> for PyDropTable {
fn from(drop: DropTable) -> PyDropTable {
PyDropTable { drop }
}
}
impl Display for PyDropTable {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
write!(
f,
"DropTable
name: {:?}
if_exists: {:?}
schema: {:?}",
&self.drop.name, &self.drop.if_exists, &self.drop.schema,
)
}
}
#[pymethods]
impl PyDropTable {
fn name(&self) -> PyResult<String> {
Ok(self.drop.name.to_string())
}
fn input(&self) -> PyResult<Vec<PyLogicalPlan>> {
Ok(Self::inputs(self))
}
fn if_exists(&self) -> bool {
self.drop.if_exists
}
fn __repr__(&self) -> PyResult<String> {
Ok(format!("DropTable({self})"))
}
fn __name__(&self) -> PyResult<String> {
Ok("DropTable".to_string())
}
}
impl LogicalNode for PyDropTable {
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)
}
}