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koffice/kexi/kexidb/drivers/pqxx/pqxxcursor.h

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/* This file is part of the KDE project
Copyright (C) 2003 Adam Pigg <adam@piggz.co.uk>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KEXIDB_CURSOR_PQXX_H
#define KEXIDB_CURSOR_PQXX_H
#include <kexidb/cursor.h>
#include <kexidb/connection.h>
#include <kexidb/utils.h>
#if 0
#include <pqxx/all.h>
#else
#include <pqxx/pqxx>
#endif
#include <pqxx/binarystring>
#include <migration/pqxx/pg_type.h>
namespace KexiDB {
class pqxxSqlCursor: public Cursor {
public:
virtual ~pqxxSqlCursor();
virtual QVariant value(uint i);
virtual const char** rowData() const;
virtual void storeCurrentRow(RowData &data) const;
//TODO virtual const char *** bufferData()
//TODO virtual int serverResult() const;
//TODO virtual QString serverResultName() const;
//TODO virtual QString serverErrorMsg() const;
protected:
pqxxSqlCursor(Connection* conn, const QString& statement = QString::null, uint options = NoOptions );
pqxxSqlCursor(Connection* conn, QuerySchema& query, uint options = NoOptions );
virtual void drv_clearServerResult();
virtual void drv_appendCurrentRecordToBuffer();
virtual void drv_bufferMovePointerNext();
virtual void drv_bufferMovePointerPrev();
virtual void drv_bufferMovePointerTo(Q_LLONG to);
virtual bool drv_open();
virtual bool drv_close();
virtual void drv_getNextRecord();
virtual void drv_getPrevRecord();
private:
pqxx::result* m_res;
// pqxx::nontransaction* m_tran;
pqxx::connection* my_conn;
QVariant pValue(uint pos)const;
bool m_implicityStarted : 1;
//QByteArray processBinaryData(pqxx::binarystring*) const;
friend class pqxxSqlConnection;
};
inline QVariant pgsqlCStrToVariant(const pqxx::result::field& r)
{
switch(r.type())
{
case BOOLOID:
return QString::fromLatin1(r.c_str(), r.size())=="true"; //TODO check formatting
case INT2OID:
case INT4OID:
case INT8OID:
return r.as(int());
case FLOAT4OID:
case FLOAT8OID:
case NUMERICOID:
return r.as(double());
case DATEOID:
return QString::fromUtf8(r.c_str(), r.size()); //TODO check formatting
case TIMEOID:
return QString::fromUtf8(r.c_str(), r.size()); //TODO check formatting
case TIMESTAMPOID:
return QString::fromUtf8(r.c_str(), r.size()); //TODO check formatting
case BYTEAOID:
return KexiDB::pgsqlByteaToByteArray(r.c_str(), r.size());
case BPCHAROID:
case VARCHAROID:
case TEXTOID:
return QString::fromUtf8(r.c_str(), r.size()); //utf8?
default:
return QString::fromUtf8(r.c_str(), r.size()); //utf8?
}
}
}
#endif