/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtSql module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 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 GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QSQLQUERY_H#define QSQLQUERY_H#include <QtSql/qsql.h>#include <QtSql/qsqldatabase.h>#include <QtCore/qstring.h>QT_BEGIN_HEADERQT_MODULE(Sql)class QVariant;class QSqlDriver;class QSqlError;class QSqlResult;class QSqlRecord;template <class Key, class T> class QMap;class QSqlQueryPrivate;class Q_SQL_EXPORT QSqlQuery{public:    QSqlQuery(QSqlResult *r);    QSqlQuery(const QString& query = QString(), QSqlDatabase db = QSqlDatabase());    explicit QSqlQuery(QSqlDatabase db);    QSqlQuery(const QSqlQuery& other);    QSqlQuery& operator=(const QSqlQuery& other);    ~QSqlQuery();    bool isValid() const;    bool isActive() const;    bool isNull(int field) const;    int at() const;    QString lastQuery() const;    int numRowsAffected() const;    QSqlError lastError() const;    bool isSelect() const;    int size() const;    const QSqlDriver* driver() const;    const QSqlResult* result() const;    bool isForwardOnly() const;    QSqlRecord record() const;    void setForwardOnly(bool forward);    bool exec(const QString& query);    QVariant value(int i) const;    bool seek(int i, bool relative = false);    bool next();    bool previous();#ifdef QT3_SUPPORT    inline QT3_SUPPORT bool prev() { return previous(); }#endif    bool first();    bool last();    void clear();    // prepared query support    bool exec();    enum BatchExecutionMode { ValuesAsRows, ValuesAsColumns };    bool execBatch(BatchExecutionMode mode = ValuesAsRows);    bool prepare(const QString& query);    void bindValue(const QString& placeholder, const QVariant& val,                   QSql::ParamType type = QSql::In);    void bindValue(int pos, const QVariant& val, QSql::ParamType type = QSql::In);    void addBindValue(const QVariant& val, QSql::ParamType type = QSql::In);    QVariant boundValue(const QString& placeholder) const;    QVariant boundValue(int pos) const;    QMap<QString, QVariant> boundValues() const;    QString executedQuery() const;    QVariant lastInsertId() const;private:    QSqlQueryPrivate* d;};QT_END_HEADER#endif // QSQLQUERY_H