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# qsql_psql.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtSql module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QSQL_PSQL_H
    00043 #define QSQL_PSQL_H
    00044
    00045 #include <QtSql/qsqlresult.h>
    00046 #include <QtSql/qsqldriver.h>
    00047
    00048 #ifdef QT_PLUGIN
    00049 #define Q_EXPORT_SQLDRIVER_PSQL
    00050 #else
    00051 #define Q_EXPORT_SQLDRIVER_PSQL Q_SQL_EXPORT
    00052 #endif
    00053
    00054 QT_BEGIN_HEADER
    00055
    00056 typedef struct pg_conn PGconn;
    00057 typedef struct pg_result PGresult;
    00058
    00059 QT_BEGIN_NAMESPACE
    00060
    00061 class QPSQLResultPrivate;
    00062 class QPSQLDriverPrivate;
    00063 class QPSQLDriver;
    00064 class QSqlRecordInfo;
    00065
    00066 class QPSQLResult : public QSqlResult
    00067 {
    00068     friend class QPSQLResultPrivate;
    00069 public:
    00070     QPSQLResult(const QPSQLDriver* db, const QPSQLDriverPrivate* p);
    00071     ~QPSQLResult();
    00072
    00073     QVariant handle() const;
    00074     void virtual_hook(int id, void *data);
    00075
    00076 protected:
    00077     void cleanup();
    00078     bool fetch(int i);
    00079     bool fetchFirst();
    00080     bool fetchLast();
    00081     QVariant data(int i);
    00082     bool isNull(int field);
    00083     bool reset (const QString& query);
    00084     int size();
    00085     int numRowsAffected();
    00086     QSqlRecord record() const;
    00087     QVariant lastInsertId() const;
    00088     bool prepare(const QString& query);
    00089     bool exec();
    00090
    00091 private:
    00092     QPSQLResultPrivate *d;
    00093 };
    00094
    00095 class Q_EXPORT_SQLDRIVER_PSQL QPSQLDriver : public QSqlDriver
    00096 {
    00097     Q_OBJECT
    00098 public:
    00099     enum Protocol {
    00100         Version6 = 6,
    00101         Version7 = 7,
    00102         Version71 = 8,
    00103         Version73 = 9,
    00104         Version74 = 10,
    00105         Version8 = 11,
    00106         Version81 = 12,
    00107         Version82 = 13
    00108     };
    00109
    00110     explicit QPSQLDriver(QObject *parent=0);
    00111     explicit QPSQLDriver(PGconn *conn, QObject *parent=0);
    00112     ~QPSQLDriver();
    00113     bool hasFeature(DriverFeature f) const;
    00114     bool open(const QString & db,
    00115               const QString & user,
    00116               const QString & password,
    00117               const QString & host,
    00118               int port,
    00119               const QString& connOpts);
    00120     bool isOpen() const;
    00121     void close();
    00122     QSqlResult *createResult() const;
    00123     QStringList tables(QSql::TableType) const;
    00124     QSqlIndex primaryIndex(const QString& tablename) const;
    00125     QSqlRecord record(const QString& tablename) const;
    00126
    00127     Protocol protocol() const;
    00128     QVariant handle() const;
    00129
    00130     QString escapeIdentifier(const QString &identifier, IdentifierType type) const;
    00131     QString formatValue(const QSqlField &field, bool trimStrings) const;
    00132
    00133 protected:
    00134     bool beginTransaction();
    00135     bool commitTransaction();
    00136     bool rollbackTransaction();
    00137
    00138 protected Q_SLOTS:
    00139     bool subscribeToNotificationImplementation(const QString &name);
    00140     bool unsubscribeFromNotificationImplementation(const QString &name);
    00141     QStringList subscribedToNotificationsImplementation() const;
    00142
    00143 private Q_SLOTS:
    00144     void _q_handleNotification(int);
    00145
    00146 private:
    00147     void init();
    00148     QPSQLDriverPrivate *d;
    00149 };
    00150
    00151 QT_END_NAMESPACE
    00152
    00153 QT_END_HEADER
    00154
    00155 #endif // QSQL_PSQL_H