1 /* 2 * Copyright (c) 2024 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_RD_STATEMENT_H 17 #define NATIVE_RDB_RD_STATEMENT_H 18 19 #include <memory> 20 #include <vector> 21 22 #include "connection.h" 23 #include "rd_connection.h" 24 #include "rd_utils.h" 25 #include "rdb_store_config.h" 26 #include "statement.h" 27 #include "value_object.h" 28 29 namespace OHOS { 30 namespace NativeRdb { 31 class RdStatement final : public Statement { 32 public: 33 RdStatement(); 34 ~RdStatement(); 35 int Finalize() override; 36 int32_t Prepare(const std::string &sql) override; 37 int32_t Bind(const std::vector<ValueObject> &args) override; 38 std::pair<int32_t, int32_t> Count() override; 39 int32_t Step() override; 40 int32_t Reset() override; 41 int32_t Execute(const std::vector<ValueObject> &args) override; 42 int32_t Execute(const std::vector<std::reference_wrapper<ValueObject>> &args) override; 43 std::pair<int, ValueObject> ExecuteForValue(const std::vector<ValueObject> &args) override; 44 int32_t Changes() const override; 45 int64_t LastInsertRowId() const override; 46 int32_t GetColumnCount() const override; 47 std::pair<int32_t, std::string> GetColumnName(int32_t index) const override; 48 std::pair<int32_t, int32_t> GetColumnType(int32_t index) const override; 49 std::pair<int32_t, size_t> GetSize(int32_t index) const override; 50 std::pair<int32_t, ValueObject> GetColumn(int32_t index) const override; 51 bool ReadOnly() const override; 52 bool SupportBlockInfo() const override; 53 int32_t FillBlockInfo(SharedBlockInfo *info) const override; 54 void GetProperties(); 55 56 private: 57 friend class RdConnection; 58 int Prepare(GRD_DB *db, const std::string &sql); 59 int32_t Bind(const std::vector<std::reference_wrapper<ValueObject>> &args); 60 int InnerBindBlobTypeArgs(const ValueObject &bindArg, uint32_t index) const; 61 int IsValid(int index) const; 62 int PreGetColCount(); 63 64 bool readOnly_ = false; 65 bool isStepInPrepare_ = false; 66 int stepCnt_ = 0; 67 std::string sql_ = ""; 68 GRD_SqlStmt *stmtHandle_ = nullptr; 69 GRD_DB *dbHandle_ = nullptr; 70 std::shared_ptr<Connection> conn_; 71 int columnCount_ = 0; 72 73 std::map<std::string, std::function<int32_t(const int &value)>> setPragmas_; 74 std::map<std::string, std::function<int32_t(int &version)>> getPragmas_; 75 const RdbStoreConfig *config_ = nullptr; 76 }; 77 } // namespace NativeRdb 78 } // namespace OHOS 79 #endif // NATIVE_RDB_RD_STATEMENT_H 80