/****************************************************************************+
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**+
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** Copyright (C) 2010 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 QSQLQUERY_H+
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#define QSQLQUERY_H+
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+
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#include <QtSql/qsql.h>+
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#include <QtSql/qsqldatabase.h>+
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#include <QtCore/qstring.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 QVariant;+
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class QSqlDriver;+
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class QSqlError;+
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class QSqlResult;+
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class QSqlRecord;+
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template <class Key, class T> class QMap;+
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class QSqlQueryPrivate;+
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+
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class Q_SQL_EXPORT QSqlQuery+
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{+
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public:+
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    QSqlQuery(QSqlResult *r);+
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    QSqlQuery(const QString& query = QString(), QSqlDatabase db = QSqlDatabase());+
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    explicit QSqlQuery(QSqlDatabase db);+
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    QSqlQuery(const QSqlQuery& other);+
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    QSqlQuery& operator=(const QSqlQuery& other);+
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    ~QSqlQuery();+
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+
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    bool isValid() const;+
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    bool isActive() const;+
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    bool isNull(int field) const;+
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    int at() const;+
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    QString lastQuery() const;+
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    int numRowsAffected() const;+
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    QSqlError lastError() const;+
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    bool isSelect() const;+
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    int size() const;+
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    const QSqlDriver* driver() const;+
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    const QSqlResult* result() const;+
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    bool isForwardOnly() const;+
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    QSqlRecord record() const;+
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+
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    void setForwardOnly(bool forward);+
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    bool exec(const QString& query);+
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    QVariant value(int i) const;+
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+
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    void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);+
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    QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;+
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+
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    bool seek(int i, bool relative = false);+
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    bool next();+
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    bool previous();+
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#ifdef QT3_SUPPORT+
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    inline QT3_SUPPORT bool prev() { return previous(); }+
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#endif+
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    bool first();+
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    bool last();+
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+
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    void clear();+
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+
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    // prepared query support+
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    bool exec();+
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    enum BatchExecutionMode { ValuesAsRows, ValuesAsColumns };+
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    bool execBatch(BatchExecutionMode mode = ValuesAsRows);+
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    bool prepare(const QString& query);+
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    void bindValue(const QString& placeholder, const QVariant& val,+
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                   QSql::ParamType type = QSql::In);+
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    void bindValue(int pos, const QVariant& val, QSql::ParamType type = QSql::In);+
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    void addBindValue(const QVariant& val, QSql::ParamType type = QSql::In);+
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    QVariant boundValue(const QString& placeholder) const;+
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    QVariant boundValue(int pos) const;+
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    QMap<QString, QVariant> boundValues() const;+
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    QString executedQuery() const;+
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    QVariant lastInsertId() const;+
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    void finish();+
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    bool nextResult();+
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+
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private:+
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    QSqlQueryPrivate* d;+
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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 // QSQLQUERY_H+
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