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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSQLDRIVER_H
#define QSQLDRIVER_H
#include <QtCore/qobject.h>
#include <QtCore/qstring.h>
#include <QtCore/qstringlist.h>
#include <QtSql/qsql.h>
#ifdef QT3_SUPPORT
#include <QtSql/qsqlquery.h>
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Sql)
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 };
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;
#ifdef QT3_SUPPORT
inline QT3_SUPPORT QSqlRecord record(const QSqlQuery& query) const
{ return query.record(); }
inline QT3_SUPPORT QSqlRecord recordInfo(const QString& tablename) const
{ return record(tablename); }
inline QT3_SUPPORT QSqlRecord recordInfo(const QSqlQuery& query) const
{ return query.record(); }
inline QT3_SUPPORT QString nullText() const { return QLatin1String("NULL"); }
inline QT3_SUPPORT QString formatValue(const QSqlField *field, bool trimStrings = false) const
{ return field ? formatValue(*field, trimStrings) : QString(); }
#endif
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;
bool subscribeToNotification(const QString &name); // ### Qt 5: make virtual
bool unsubscribeFromNotification(const QString &name); // ### Qt 5: make virtual
QStringList subscribedToNotifications() const; // ### Qt 5: make virtual
bool isIdentifierEscaped(const QString &identifier, IdentifierType type) const; // ### Qt 5: make virtual
QString stripDelimiters(const QString &identifier, IdentifierType type) const; // ### Qt 5: make virtual
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
Q_SIGNALS:
void notification(const QString &name);
protected:
virtual void setOpen(bool o);
virtual void setOpenError(bool e);
virtual void setLastError(const QSqlError& e);
protected Q_SLOTS:
bool subscribeToNotificationImplementation(const QString &name); // ### Qt 5: eliminate, see subscribeToNotification()
bool unsubscribeFromNotificationImplementation(const QString &name); // ### Qt 5: eliminate, see unsubscribeFromNotification()
QStringList subscribedToNotificationsImplementation() const; // ### Qt 5: eliminate, see subscribedNotifications()
bool isIdentifierEscapedImplementation(const QString &identifier, IdentifierType type) const; // ### Qt 5: eliminate, see isIdentifierEscaped()
QString stripDelimitersImplementation(const QString &identifier, IdentifierType type) const; // ### Qt 5: eliminate, see stripDelimiters()
private:
Q_DISABLE_COPY(QSqlDriver)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSQLDRIVER_H
|
