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create_memory_table.rs

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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::CreateMemoryTable;

use pyo3::prelude::*;

use crate::sql::logical::PyLogicalPlan;

use super::logical_node::LogicalNode;

#[pyclass(name = "CreateMemoryTable", module = "datafusion.expr", subclass)]

#[derive(Clone)]

pub struct PyCreateMemoryTable {

create: CreateMemoryTable,

}

impl From<PyCreateMemoryTable> for CreateMemoryTable {

fn from(create: PyCreateMemoryTable) -> Self {

create.create

}

}

impl From<CreateMemoryTable> for PyCreateMemoryTable {

fn from(create: CreateMemoryTable) -> PyCreateMemoryTable {

PyCreateMemoryTable { create }

}

}

impl Display for PyCreateMemoryTable {

fn fmt(&self, f: &mut Formatter) -> fmt::Result {

write!(

f,

"CreateMemoryTable

Name: {:?}

Input: {:?}

if_not_exists: {:?}

or_replace: {:?}",

&self.create.name,

&self.create.input,

&self.create.if_not_exists,

&self.create.or_replace,

)

}

}

#[pymethods]

impl PyCreateMemoryTable {

fn name(&self) -> PyResult<String> {

Ok(self.create.name.to_string())

}

fn input(&self) -> PyResult<Vec<PyLogicalPlan>> {

Ok(Self::inputs(self))

}

fn if_not_exists(&self) -> bool {

self.create.if_not_exists

}

fn or_replace(&self) -> bool {

self.create.or_replace

}

fn __repr__(&self) -> PyResult<String> {

Ok(format!("CreateMemoryTable({})", self))

}

fn __name__(&self) -> PyResult<String> {

Ok("CreateMemoryTable".to_string())

}

}

impl LogicalNode for PyCreateMemoryTable {

fn inputs(&self) -> Vec<PyLogicalPlan> {

vec![PyLogicalPlan::from((*self.create.input).clone())]

}

fn to_variant(&self, py: Python) -> PyResult<PyObject> {

Ok(self.clone().into_py(py))

}

}