// 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.pub},

//! A "prelude" for users of the datafusion crate.
//!
//! Like the standard library's prelude, this module simplifies importing of
//! common items. Unlike the standard prelude, the contents of this module must
//! be imported manually:
//!
//! ```
//! use datafusion::prelude::*;
//! ```

pub use crate::dataframe::DataFrame;
pub use crate::execution::context::{ExecutionConfig, ExecutionContext};
pub use crate::logical_plan::{
    array, avg, col, concat, count, create_udf, in_list, length, lit, lower, ltrim, max,
    md5, min, rtrim, sha224, sha256, sha384, sha512, sum, trim, upper, JoinType,
    Partitioning,
};
pub use crate::physical_plan::csv::CsvReadOptions;