datafusion/functions/src/encoding/mod.rs

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
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// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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use datafusion_expr::ScalarUDF;
use std::sync::Arc;

pub mod inner;

// create `encode` and `decode` UDFs
make_udf_function!(inner::EncodeFunc, encode);
make_udf_function!(inner::DecodeFunc, decode);

// Export the functions out of this package, both as expr_fn as well as a list of functions
pub mod expr_fn {
    export_functions!( (
        encode,
        "encode the `input`, using the `encoding`. encoding can be base64 or hex",
        input encoding
    ),(
        decode,
        "decode the `input`, using the `encoding`. encoding can be base64 or hex",
        input encoding
    ));
}

/// Returns all DataFusion functions defined in this package
pub fn functions() -> Vec<Arc<ScalarUDF>> {
    vec![encode(), decode()]
}