| // 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. | |
| namespace arrow { | |
| class DataType; | |
| class Schema; | |
| namespace json { | |
| enum class UnexpectedFieldBehavior : char { | |
| /// Unexpected JSON fields are ignored | |
| Ignore, | |
| /// Unexpected JSON fields error out | |
| Error, | |
| /// Unexpected JSON fields are type-inferred and included in the output | |
| InferType | |
| }; | |
| struct ARROW_EXPORT ParseOptions { | |
| // Parsing options | |
| /// Optional explicit schema (disables type inference on those fields) | |
| std::shared_ptr<Schema> explicit_schema; | |
| /// Whether objects may be printed across multiple lines (for example pretty-printed) | |
| /// | |
| /// If true, parsing may be slower. | |
| bool newlines_in_values = false; | |
| /// How JSON fields outside of explicit_schema (if given) are treated | |
| UnexpectedFieldBehavior unexpected_field_behavior = UnexpectedFieldBehavior::InferType; | |
| /// Create parsing options with default values | |
| static ParseOptions Defaults(); | |
| }; | |
| struct ARROW_EXPORT ReadOptions { | |
| // Reader options | |
| /// Whether to use the global CPU thread pool | |
| bool use_threads = true; | |
| /// Block size we request from the IO layer; also determines the size of | |
| /// chunks when use_threads is true | |
| int32_t block_size = 1 << 20; // 1 MB | |
| /// Create read options with default values | |
| static ReadOptions Defaults(); | |
| }; | |
| } // namespace json | |
| } // namespace arrow | |