// 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 "format/table/iceberg/schema.h"

namespace doris::iceberg {

#include "common/compile_check_begin.h"

const std::string Schema::ALL_COLUMNS = "*";

const int Schema::DEFAULT_SCHEMA_ID = 0;

Schema::Schema(int schema_id, std::vector<NestedField> columns)

        : _schema_id(schema_id), _root_struct(std::move(columns)) {

    _id_to_field.reserve(_root_struct.fields().size());

    for (const auto& field : _root_struct.fields()) {

        int field_id = field.field_id();

        _id_to_field[field_id] = &field;

    }

}

Schema::Schema(std::vector<NestedField> columns) : Schema(DEFAULT_SCHEMA_ID, std::move(columns)) {}

Type* Schema::find_type(int id) const {

    auto it = _id_to_field.find(id);

    if (it != _id_to_field.end()) {

        return it->second->field_type();

    }

    return nullptr;

}

const NestedField* Schema::find_field(int id) const {

    auto it = _id_to_field.find(id);

    if (it != _id_to_field.end()) {

        return it->second;

    }

    return nullptr;

}

#include "common/compile_check_end.h"

} // namespace doris::iceberg