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 NATIVE_RDB_SQL_UTILS_H 17 #define NATIVE_RDB_SQL_UTILS_H 18 #include "abs_rdb_predicates.h" 19 20 namespace OHOS { 21 namespace NativeRdb { 22 class API_EXPORT RdbSqlUtils { 23 public: 24 /** 25 * @brief create data base directory. 26 */ 27 static int CreateDirectory(const std::string &databaseDir); 28 29 /** 30 * @brief get custom data base path. 31 */ 32 static std::pair<std::string, int> GetDefaultDatabasePath( 33 const std::string &baseDir, const std::string &name, const std::string &customDir = ""); 34 35 /** 36 * @brief get custom rootDir data base path. 37 */ 38 static std::pair<std::string, int> GetCustomDatabasePath(const std::string &rootDir, const std::string &name, 39 const std::string &customDir); 40 41 /** 42 * @brief get default data base path. 43 */ 44 static std::string GetDefaultDatabasePath(const std::string &baseDir, const std::string &name, int &errorCode); 45 46 /** 47 * @brief build query sql string. 48 */ 49 static std::string BuildQueryString(const AbsRdbPredicates &predicates, const std::vector<std::string> &columns); 50 }; 51 } // namespace NativeRdb 52 } // namespace OHOS 53 54 #endif 55