datafusion_spark/function/math/
mod.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18pub mod expm1;
19pub mod factorial;
20pub mod hex;
21
22use datafusion_expr::ScalarUDF;
23use datafusion_functions::make_udf_function;
24use std::sync::Arc;
25
26make_udf_function!(expm1::SparkExpm1, expm1);
27make_udf_function!(factorial::SparkFactorial, factorial);
28make_udf_function!(hex::SparkHex, hex);
29
30pub mod expr_fn {
31    use datafusion_functions::export_functions;
32
33    export_functions!((expm1, "Returns exp(expr) - 1 as a Float64.", arg1));
34    export_functions!((
35        factorial,
36        "Returns the factorial of expr. expr is [0..20]. Otherwise, null.",
37        arg1
38    ));
39    export_functions!((hex, "Computes hex value of the given column.", arg1));
40}
41
42pub fn functions() -> Vec<Arc<ScalarUDF>> {
43    vec![expm1(), factorial(), hex()]
44}
datafusion_spark/function/math/mod.rs

datafusion_spark/function/math/
mod.rs
