| // 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. |
| |
| #include "udf-sample.h" |
| |
| // In this sample we are declaring a UDF that adds two ints and returns an int. |
| IMPALA_UDF_EXPORT |
| IntVal AddUdf(FunctionContext* context, const IntVal& arg1, const IntVal& arg2) { |
| if (arg1.is_null || arg2.is_null) return IntVal::null(); |
| return IntVal(arg1.val + arg2.val); |
| } |
| |
| // Multiple UDFs can be defined in the same file |
| |
