1 /*
2 * Copyright (c) 2021 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 #include "sqlite_storage_executor.h"
17
18 #include "db_errno.h"
19 #include "log_print.h"
20 #include "sqlite_utils.h"
21
22 namespace DistributedDB {
SQLiteStorageExecutor(sqlite3 * dbHandle,bool writable,bool isMemDb)23 SQLiteStorageExecutor::SQLiteStorageExecutor(sqlite3 *dbHandle, bool writable, bool isMemDb)
24 : StorageExecutor(writable),
25 dbHandle_(dbHandle),
26 isMemDb_(isMemDb)
27 {}
28
~SQLiteStorageExecutor()29 SQLiteStorageExecutor::~SQLiteStorageExecutor()
30 {
31 if (dbHandle_ != nullptr) {
32 (void)sqlite3_close_v2(dbHandle_);
33 dbHandle_ = nullptr;
34 }
35 }
36
Reset()37 int SQLiteStorageExecutor::Reset()
38 {
39 if (dbHandle_ != nullptr) {
40 // Set the handle to be valid, release the heap memory as much as possible.
41 sqlite3_db_release_memory(dbHandle_);
42 return E_OK;
43 }
44 return -E_INVALID_DB;
45 }
46
GetDbHandle(sqlite3 * & dbHandle) const47 int SQLiteStorageExecutor::GetDbHandle(sqlite3 *&dbHandle) const
48 {
49 if (dbHandle_ == nullptr) {
50 LOGE("Can not get dbhandle from executor!");
51 return -E_NOT_FOUND;
52 }
53 dbHandle = dbHandle_;
54 return E_OK;
55 }
56
IsMemory() const57 bool SQLiteStorageExecutor::IsMemory() const
58 {
59 return isMemDb_;
60 }
61 } // namespace DistributedDB
62