| // 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. |
| |
| #pragma once |
| |
| #include <cstdint> |
| #include <string> |
| |
| #include "common/status.h" |
| #include "udf/udf.h" |
| |
| namespace impala { |
| |
| // Converts a variant (metadata + value blobs) to a JSON string. |
| Status VariantToJson(const uint8_t* metadata_data, uint32_t metadata_len, |
| const uint8_t* value_data, uint32_t value_len, std::string* json_out); |
| |
| // Converts a variant to JSON, writing the result directly into a StringVal |
| // allocated from 'ctx'. Avoids an intermediate std::string copy. |
| Status VariantToJson(impala_udf::FunctionContext* ctx, |
| const uint8_t* metadata_data, uint32_t metadata_len, |
| const uint8_t* value_data, uint32_t value_len, |
| impala_udf::StringVal* result); |
| |
| } // namespace impala |
