// 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 pyo3::prelude::*;

mod context;
mod dataframe;
mod errors;
mod expression;
mod functions;
mod scalar;
mod to_py;
mod to_rust;
mod types;
mod udaf;
mod udf;

/// DataFusion.
#[pymodule]
fn datafusion(py: Python, m: &PyModule) -> PyResult<()> {
    m.add_class::<context::ExecutionContext>()?;
    m.add_class::<dataframe::DataFrame>()?;
    m.add_class::<expression::Expression>()?;

    let functions = PyModule::new(py, "functions")?;
    functions::init(functions)?;
    m.add_submodule(functions)?;

    Ok(())
}