kexi

pqxxcursor.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2003 Adam Pigg <adam@piggz.co.uk>
00003 
00004    This program is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This program is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this program; see the file COPYING.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef KEXIDB_CURSOR_PQXX_H
00021 #define KEXIDB_CURSOR_PQXX_H
00022 
00023 #include <kexidb/cursor.h>
00024 #include <kexidb/connection.h>
00025 
00026 #if 0
00027 #include <pqxx/all.h>
00028 #else
00029 #include <pqxx/pqxx>
00030 #endif
00031 
00032 #include <pqxx/binarystring>
00033 
00034 namespace KexiDB {
00035 
00036 class pqxxSqlCursor: public Cursor {
00037 public:
00038     virtual ~pqxxSqlCursor();
00039 
00040     virtual QVariant value(uint i);
00041     virtual const char** rowData() const;
00042     virtual void storeCurrentRow(RowData &data) const;
00043 
00044 //TODO      virtual const char *** bufferData()
00045         
00046 //TODO  virtual int serverResult() const;
00047         
00048 //TODO  virtual QString serverResultName() const;
00049 
00050 //TODO  virtual QString serverErrorMsg() const;
00051         
00052 protected:
00053     pqxxSqlCursor(Connection* conn, const QString& statement = QString::null, uint options = NoOptions );
00054     pqxxSqlCursor(Connection* conn, QuerySchema& query, uint options = NoOptions );
00055     virtual void drv_clearServerResult();
00056     virtual void drv_appendCurrentRecordToBuffer();
00057     virtual void drv_bufferMovePointerNext();
00058     virtual void drv_bufferMovePointerPrev();
00059     virtual void drv_bufferMovePointerTo(Q_LLONG to);
00060     virtual bool drv_open();
00061     virtual bool drv_close();
00062     virtual void drv_getNextRecord();
00063     virtual void drv_getPrevRecord();
00064 
00065 private:
00066     pqxx::result* m_res;
00067 //  pqxx::nontransaction* m_tran;
00068     pqxx::connection* my_conn;
00069     QVariant pValue(uint pos)const;
00070     bool m_implicityStarted : 1;
00071     //QByteArray processBinaryData(pqxx::binarystring*) const;
00072     friend class pqxxSqlConnection;
00073 };
00074 
00075 }
00076 
00077 #endif
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