/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtSql module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QSQLRESULT_H+
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#define QSQLRESULT_H+
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+
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#include <QtCore/qvariant.h>+
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#include <QtCore/qvector.h>+
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#include <QtSql/qsql.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Sql)+
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+
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class QString;+
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class QSqlRecord;+
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template <typename T> class QVector;+
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class QVariant;+
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class QSqlDriver;+
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class QSqlError;+
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class QSqlResultPrivate;+
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+
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class Q_SQL_EXPORT QSqlResult+
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{+
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    friend class QSqlQuery;+
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    friend class QSqlTableModelPrivate;+
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    friend class QSqlResultPrivate;+
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+
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public:+
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    virtual ~QSqlResult();+
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    virtual QVariant handle() const;+
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+
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protected:+
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    enum BindingSyntax {+
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        PositionalBinding,+
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        NamedBinding+
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#ifdef QT3_SUPPORT+
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        , BindByPosition = PositionalBinding,+
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        BindByName = NamedBinding+
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#endif+
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    };+
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+
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    explicit QSqlResult(const QSqlDriver * db);+
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    int at() const;+
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    QString lastQuery() const;+
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    QSqlError lastError() const;+
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    bool isValid() const;+
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    bool isActive() const;+
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    bool isSelect() const;+
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    bool isForwardOnly() const;+
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    const QSqlDriver* driver() const;+
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    virtual void setAt(int at);+
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    virtual void setActive(bool a);+
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    virtual void setLastError(const QSqlError& e);+
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    virtual void setQuery(const QString& query);+
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    virtual void setSelect(bool s);+
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    virtual void setForwardOnly(bool forward);+
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+
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    // prepared query support+
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    virtual bool exec();+
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    virtual bool prepare(const QString& query);+
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    virtual bool savePrepare(const QString& sqlquery);+
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    virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type);+
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    virtual void bindValue(const QString& placeholder, const QVariant& val,+
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                           QSql::ParamType type);+
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    void addBindValue(const QVariant& val, QSql::ParamType type);+
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    QVariant boundValue(const QString& placeholder) const;+
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    QVariant boundValue(int pos) const;+
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    QSql::ParamType bindValueType(const QString& placeholder) const;+
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    QSql::ParamType bindValueType(int pos) const;+
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    int boundValueCount() const;+
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    QVector<QVariant>& boundValues() const;+
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    QString executedQuery() const;+
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    QString boundValueName(int pos) const;+
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    void clear();+
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    bool hasOutValues() const;+
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+
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    BindingSyntax bindingSyntax() const;+
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+
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    virtual QVariant data(int i) = 0;+
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    virtual bool isNull(int i) = 0;+
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    virtual bool reset(const QString& sqlquery) = 0;+
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    virtual bool fetch(int i) = 0;+
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    virtual bool fetchNext();+
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    virtual bool fetchPrevious();+
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    virtual bool fetchFirst() = 0;+
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    virtual bool fetchLast() = 0;+
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    virtual int size() = 0;+
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    virtual int numRowsAffected() = 0;+
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    virtual QSqlRecord record() const;+
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    virtual QVariant lastInsertId() const;+
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+
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    enum VirtualHookOperation { BatchOperation, DetachFromResultSet, SetNumericalPrecision, NextResult };+
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    virtual void virtual_hook(int id, void *data);+
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    bool execBatch(bool arrayBind = false);+
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    void detachFromResultSet();+
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    void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);+
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    QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;+
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    bool nextResult();+
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+
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private:+
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    QSqlResultPrivate* d;+
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    void resetBindCount(); // HACK+
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+
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private:+
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    Q_DISABLE_COPY(QSqlResult)+
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};+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QSQLRESULT_H+
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