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
135
136
137
138
139
140
141
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSQLDRIVER_H
#define QSQLDRIVER_H
#include <QtCore/qobject.h>
#include <QtCore/qstring.h>
#include <QtCore/qstringlist.h>
#include <QtSql/qsql.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QSqlDatabase;
class QSqlDriverPrivate;
class QSqlError;
class QSqlField;
class QSqlIndex;
class QSqlRecord;
class QSqlResult;
class QVariant;
class Q_SQL_EXPORT QSqlDriver : public QObject
{
friend class QSqlDatabase;
Q_OBJECT
Q_DECLARE_PRIVATE(QSqlDriver)
public:
enum DriverFeature { Transactions, QuerySize, BLOB, Unicode, PreparedQueries,
NamedPlaceholders, PositionalPlaceholders, LastInsertId,
BatchOperations, SimpleLocking, LowPrecisionNumbers,
EventNotifications, FinishQuery, MultipleResultSets };
enum StatementType { WhereStatement, SelectStatement, UpdateStatement,
InsertStatement, DeleteStatement };
enum IdentifierType { FieldName, TableName };
enum NotificationSource { UnknownSource, SelfSource, OtherSource };
explicit QSqlDriver(QObject *parent=0);
~QSqlDriver();
virtual bool isOpen() const;
bool isOpenError() const;
virtual bool beginTransaction();
virtual bool commitTransaction();
virtual bool rollbackTransaction();
virtual QStringList tables(QSql::TableType tableType) const;
virtual QSqlIndex primaryIndex(const QString &tableName) const;
virtual QSqlRecord record(const QString &tableName) const;
virtual QString formatValue(const QSqlField& field, bool trimStrings = false) const;
virtual QString escapeIdentifier(const QString &identifier, IdentifierType type) const;
virtual QString sqlStatement(StatementType type, const QString &tableName,
const QSqlRecord &rec, bool preparedStatement) const;
QSqlError lastError() const;
virtual QVariant handle() const;
virtual bool hasFeature(DriverFeature f) const = 0;
virtual void close() = 0;
virtual QSqlResult *createResult() const = 0;
virtual bool open(const QString& db,
const QString& user = QString(),
const QString& password = QString(),
const QString& host = QString(),
int port = -1,
const QString& connOpts = QString()) = 0;
virtual bool subscribeToNotification(const QString &name);
virtual bool unsubscribeFromNotification(const QString &name);
virtual QStringList subscribedToNotifications() const;
virtual bool isIdentifierEscaped(const QString &identifier, IdentifierType type) const;
virtual QString stripDelimiters(const QString &identifier, IdentifierType type) const;
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
Q_SIGNALS:
void notification(const QString &name);
void notification(const QString &name, QSqlDriver::NotificationSource source, const QVariant &payload);
protected:
virtual void setOpen(bool o);
virtual void setOpenError(bool e);
virtual void setLastError(const QSqlError& e);
private:
Q_DISABLE_COPY(QSqlDriver)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSQLDRIVER_H
|
