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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSQLRESULT_H
#define QSQLRESULT_H
#include <QtCore/qvariant.h>
#include <QtCore/qvector.h>
#include <QtSql/qsql.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Sql)
class QString;
class QSqlRecord;
template <typename T> class QVector;
class QVariant;
class QSqlDriver;
class QSqlError;
class QSqlResultPrivate;
class Q_SQL_EXPORT QSqlResult
{
friend class QSqlQuery;
friend class QSqlTableModelPrivate;
friend class QSqlResultPrivate;
public:
virtual ~QSqlResult();
virtual QVariant handle() const;
protected:
enum BindingSyntax {
PositionalBinding,
NamedBinding
#ifdef QT3_SUPPORT
, BindByPosition = PositionalBinding,
BindByName = NamedBinding
#endif
};
explicit QSqlResult(const QSqlDriver * db);
int at() const;
QString lastQuery() const;
QSqlError lastError() const;
bool isValid() const;
bool isActive() const;
bool isSelect() const;
bool isForwardOnly() const;
const QSqlDriver* driver() const;
virtual void setAt(int at);
virtual void setActive(bool a);
virtual void setLastError(const QSqlError& e);
virtual void setQuery(const QString& query);
virtual void setSelect(bool s);
virtual void setForwardOnly(bool forward);
// prepared query support
virtual bool exec();
virtual bool prepare(const QString& query);
virtual bool savePrepare(const QString& sqlquery);
virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type);
virtual void bindValue(const QString& placeholder, const QVariant& val,
QSql::ParamType type);
void addBindValue(const QVariant& val, QSql::ParamType type);
QVariant boundValue(const QString& placeholder) const;
QVariant boundValue(int pos) const;
QSql::ParamType bindValueType(const QString& placeholder) const;
QSql::ParamType bindValueType(int pos) const;
int boundValueCount() const;
QVector<QVariant>& boundValues() const;
QString executedQuery() const;
QString boundValueName(int pos) const;
void clear();
bool hasOutValues() const;
BindingSyntax bindingSyntax() const;
virtual QVariant data(int i) = 0;
virtual bool isNull(int i) = 0;
virtual bool reset(const QString& sqlquery) = 0;
virtual bool fetch(int i) = 0;
virtual bool fetchNext();
virtual bool fetchPrevious();
virtual bool fetchFirst() = 0;
virtual bool fetchLast() = 0;
virtual int size() = 0;
virtual int numRowsAffected() = 0;
virtual QSqlRecord record() const;
virtual QVariant lastInsertId() const;
enum VirtualHookOperation { BatchOperation, DetachFromResultSet, SetNumericalPrecision, NextResult };
virtual void virtual_hook(int id, void *data);
bool execBatch(bool arrayBind = false);
void detachFromResultSet();
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);
bool nextResult();
private:
QSqlResultPrivate* d;
void resetBindCount(); // HACK
private:
Q_DISABLE_COPY(QSqlResult)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSQLRESULT_H
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