/******************************************************************************** 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 QSQL_PSQL_H#define QSQL_PSQL_H#include <QtSql/qsqlresult.h>#include <QtSql/qsqldriver.h>#ifdef QT_PLUGIN#define Q_EXPORT_SQLDRIVER_PSQL#else#define Q_EXPORT_SQLDRIVER_PSQL Q_SQL_EXPORT#endifQT_BEGIN_HEADERtypedef struct pg_conn PGconn;typedef struct pg_result PGresult;class QPSQLResultPrivate;class QPSQLDriverPrivate;class QPSQLDriver;class QSqlRecordInfo;class QPSQLResult : public QSqlResult{    friend class QPSQLResultPrivate;public:    QPSQLResult(const QPSQLDriver* db, const QPSQLDriverPrivate* p);    ~QPSQLResult();    QVariant handle() const;protected:    void cleanup();    bool fetch(int i);    bool fetchFirst();    bool fetchLast();    QVariant data(int i);    bool isNull(int field);    bool reset (const QString& query);    int size();    int numRowsAffected();    QSqlRecord record() const;    QVariant lastInsertId() const;private:    QPSQLResultPrivate *d;};class Q_EXPORT_SQLDRIVER_PSQL QPSQLDriver : public QSqlDriver{    Q_OBJECTpublic:    enum Protocol {        Version6 = 6,        Version7 = 7,        Version71 = 8,        Version73 = 9    };    explicit QPSQLDriver(QObject *parent=0);    explicit QPSQLDriver(PGconn *conn, QObject *parent=0);    ~QPSQLDriver();    bool hasFeature(DriverFeature f) const;    bool open(const QString & db,              const QString & user,              const QString & password,              const QString & host,              int port,              const QString& connOpts);    bool isOpen() const;    void close();    QSqlResult *createResult() const;    QStringList tables(QSql::TableType) const;    QSqlIndex primaryIndex(const QString& tablename) const;    QSqlRecord record(const QString& tablename) const;    Protocol protocol() const;    QVariant handle() const;    QString escapeIdentifier(const QString &identifier, IdentifierType type) const;    QString formatValue(const QSqlField &field,                                     bool trimStrings) const;protected:    bool beginTransaction();    bool commitTransaction();    bool rollbackTransaction();private:    void init();    QPSQLDriverPrivate *d;};QT_END_HEADER#endif // QSQL_PSQL_H