blob: 7f3973f87879c65fa87b88869761576644e1ef62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "sqliteglobal.h"
#include <utils/smallstringvector.h>
#include <chrono>
struct sqlite3;
namespace Sqlite {
class Database;
class SQLITE_EXPORT DatabaseBackend
{
public:
DatabaseBackend(Database &database);
~DatabaseBackend();
DatabaseBackend(const DatabaseBackend &) = delete;
DatabaseBackend &operator=(const DatabaseBackend &) = delete;
DatabaseBackend(DatabaseBackend &&) = delete;
DatabaseBackend &operator=(DatabaseBackend &&) = delete;
void setMmapSize(qint64 defaultSize, qint64 maximumSize);
void activateMultiThreading();
void activateLogging();
void initializeSqliteLibrary();
void shutdownSqliteLibrary();
void checkpointFullWalLog();
void open(Utils::SmallStringView databaseFilePath, OpenMode openMode);
void close();
void closeWithoutException();
sqlite3* sqliteDatabaseHandle() const;
void setJournalMode(JournalMode journalMode);
JournalMode journalMode();
void setTextEncoding(TextEncoding textEncoding);
TextEncoding textEncoding();
Utils::SmallStringVector columnNames(Utils::SmallStringView tableName);
int changesCount() const;
int totalChangesCount() const;
int64_t lastInsertedRowId() const;
void setLastInsertedRowId(int64_t rowId);
void execute(Utils::SmallStringView sqlStatement);
template <typename Type>
Type toValue(Utils::SmallStringView sqlStatement);
static int openMode(OpenMode);
void setBusyTimeout(std::chrono::milliseconds timeout);
void walCheckpointFull();
protected:
bool databaseIsOpen() const;
void setPragmaValue(Utils::SmallStringView pragma, Utils::SmallStringView value);
Utils::SmallString pragmaValue(Utils::SmallStringView pragma);
void registerBusyHandler();
void registerRankingFunction();
static int busyHandlerCallback(void*, int counter);
void cacheTextEncoding();
void checkForOpenDatabaseWhichCanBeClosed();
void checkDatabaseClosing(int resultCode);
void checkCanOpenDatabase(Utils::SmallStringView databaseFilePath);
void checkDatabaseCouldBeOpened(int resultCode);
void checkPragmaValue(Utils::SmallStringView databaseValue, Utils::SmallStringView expectedValue);
void checkDatabaseHandleIsNotNull() const;
void checkIfMultithreadingIsActivated(int resultCode);
void checkIfLoogingIsActivated(int resultCode);
void checkMmapSizeIsSet(int resultCode);
void checkInitializeSqliteLibraryWasSuccesful(int resultCode);
void checkShutdownSqliteLibraryWasSuccesful(int resultCode);
void checkIfLogCouldBeCheckpointed(int resultCode);
void checkIfBusyTimeoutWasSet(int resultCode);
static Utils::SmallStringView journalModeToPragma(JournalMode journalMode);
static JournalMode pragmaToJournalMode(Utils::SmallStringView pragma);
Utils::SmallStringView textEncodingToPragma(TextEncoding textEncoding);
static TextEncoding pragmaToTextEncoding(Utils::SmallStringView pragma);
Q_NORETURN static void throwExceptionStatic(const char *whatHasHappens);
[[noreturn]] void throwException(const char *whatHasHappens) const;
[[noreturn]] void throwUnknowError(const char *whatHasHappens) const;
[[noreturn]] void throwDatabaseIsNotOpen(const char *whatHasHappens) const;
private:
Database &m_database;
sqlite3 *m_databaseHandle;
TextEncoding m_cachedTextEncoding;
};
} // namespace Sqlite
|
