1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SCHEMA_MGR_H 17 #define SCHEMA_MGR_H 18 19 #include <string> 20 #include <vector> 21 22 #include "cloud/cloud_store_types.h" 23 #include "icloud_sync_storage_interface.h" 24 #include "relational_schema_object.h" 25 26 namespace DistributedDB { 27 class SchemaMgr { 28 public: 29 explicit SchemaMgr(); 30 ~SchemaMgr() =default; 31 void SetCloudDbSchema(const DataBaseSchema &schema); 32 std::shared_ptr<DataBaseSchema> GetCloudDbSchema(); 33 int GetCloudTableSchema(const TableName &tableName, TableSchema &retSchema); 34 int ChkSchema(const TableName &tableName, RelationalSchemaObject &localSchema); 35 36 private: 37 bool IsAssetPrimaryField(const Field &cloudField); 38 bool CompareType(const FieldInfo &localField, const Field &cloudField); 39 bool CompareNullable(const FieldInfo &localField, const Field &cloudField); 40 bool ComparePrimaryField(std::map<int, FieldName> &localPrimaryKeys, const Field &cloudField); 41 int CompareFieldSchema(std::map<int, FieldName> &primaryKeys, FieldInfoMap &localFields, 42 std::vector<Field> &cloudFields); 43 std::shared_ptr<DataBaseSchema> cloudSchema_ = nullptr; 44 }; 45 } // namespace DistributedDB 46 47 #endif // SCHEMA_MGR_H