/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** 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> | |
#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 |