source: trunk/src/sql/kernel/qsqldriver.h@ 345

Last change on this file since 345 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 5.7 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtSql module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QSQLDRIVER_H
43#define QSQLDRIVER_H
44
45#include <QtCore/qobject.h>
46#include <QtCore/qstring.h>
47#include <QtCore/qstringlist.h>
48#include <QtSql/qsql.h>
49#ifdef QT3_SUPPORT
50#include <QtSql/qsqlquery.h>
51#endif
52
53QT_BEGIN_HEADER
54
55QT_BEGIN_NAMESPACE
56
57QT_MODULE(Sql)
58
59class QSqlDatabase;
60class QSqlDriverPrivate;
61class QSqlError;
62class QSqlField;
63class QSqlIndex;
64class QSqlRecord;
65class QSqlResult;
66class QVariant;
67
68class Q_SQL_EXPORT QSqlDriver : public QObject
69{
70 friend class QSqlDatabase;
71 Q_OBJECT
72 Q_DECLARE_PRIVATE(QSqlDriver)
73
74public:
75 enum DriverFeature { Transactions, QuerySize, BLOB, Unicode, PreparedQueries,
76 NamedPlaceholders, PositionalPlaceholders, LastInsertId,
77 BatchOperations, SimpleLocking, LowPrecisionNumbers,
78 EventNotifications, FinishQuery, MultipleResultSets };
79
80 enum StatementType { WhereStatement, SelectStatement, UpdateStatement,
81 InsertStatement, DeleteStatement };
82
83 enum IdentifierType { FieldName, TableName };
84
85 explicit QSqlDriver(QObject *parent=0);
86 ~QSqlDriver();
87 virtual bool isOpen() const;
88 bool isOpenError() const;
89
90 virtual bool beginTransaction();
91 virtual bool commitTransaction();
92 virtual bool rollbackTransaction();
93 virtual QStringList tables(QSql::TableType tableType) const;
94 virtual QSqlIndex primaryIndex(const QString &tableName) const;
95 virtual QSqlRecord record(const QString &tableName) const;
96#ifdef QT3_SUPPORT
97 inline QT3_SUPPORT QSqlRecord record(const QSqlQuery& query) const
98 { return query.record(); }