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#pragma clang system_header
// 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 <memory>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/json/type_fwd.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/visibility.h"
namespace arrow20 {
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 arrow20
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