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 CLOUD_DB_CONSTANT_H 17 #define CLOUD_DB_CONSTANT_H 18 19 #include "cloud/cloud_store_types.h" 20 #include <string> 21 22 namespace DistributedDB { 23 class CloudDbConstant { 24 public: 25 static constexpr const char *CLOUD_META_TABLE_PREFIX = "naturalbase_cloud_meta_"; 26 static constexpr const char *GID_FIELD = "#_gid"; 27 static constexpr const char *CREATE_FIELD = "#_createTime"; 28 static constexpr const char *MODIFY_FIELD = "#_modifyTime"; 29 static constexpr const char *DELETE_FIELD = "#_deleted"; 30 static constexpr const char *CURSOR_FIELD = "#_cursor"; 31 static constexpr const char *ROW_ID_FIELD_NAME = "rowid"; 32 static constexpr uint32_t MAX_UPLOAD_SIZE = 1024 * 512 * 3; // 1.5M 33 // cloud data timestamp is utc ms precision 34 // used for 100ns to ms when handle cloud data timestamp 35 static constexpr uint32_t TEN_THOUSAND = 10000; 36 }; 37 } // namespace DistributedDB 38 #endif // CLOUD_DB_CONSTANT_H