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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 crate::errors::DataFusionError;

use datafusion_expr::Volatility;

use pyo3::prelude::*;

use std::future::Future;

use tokio::runtime::Runtime;

/// Utility to collect rust futures with GIL released

pub fn wait_for_future<F: Future>(py: Python, f: F) -> F::Output

where

F: Send,

F::Output: Send,

{

let rt = Runtime::new().unwrap();

py.allow_threads(|| rt.block_on(f))

}

pub(crate) fn parse_volatility(value: &str) -> Result<Volatility, DataFusionError> {

Ok(match value {

"immutable" => Volatility::Immutable,

"stable" => Volatility::Stable,

"volatile" => Volatility::Volatile,

value => {

return Err(DataFusionError::Common(format!(

"Unsupportad volatility type: `{value}`, supported \

values are: immutable, stable and volatile."

)))

}

})

}