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/*
CVSNT Generic API
Copyright (C) 2004 Tony Hoyle and March-Hare Software Ltd
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#define vsnprintf _vsnprintf
#define snprintf _snprintf
#endif
#include <config.h>
#include "../lib/api_system.h"
#ifdef HAVE_LIBPQ_FE_H
#include <libpq-fe.h>
#else
// else what??
#endif
#include <string>
#include "../cvs_string.h"
#include "../ServerIO.h"
#include "PostgresRecordset.h"
CPostgresField::CPostgresField()
{
}
CPostgresField::~CPostgresField()
{
}
CPostgresField::operator int()
{
int r = 0;
sscanf(PQgetvalue(rs->m_pStmt,rs->m_current_row,field),"%d",&r);
return r;
}
CPostgresField::operator long()
{
long r = 0;
sscanf(PQgetvalue(rs->m_pStmt,rs->m_current_row,field),"%ld",&r);
return r;
}
CPostgresField::operator unsigned()
{
unsigned r = 0;
sscanf(PQgetvalue(rs->m_pStmt,rs->m_current_row,field),"%u",&r);
return r;
}
CPostgresField::operator unsigned long()
{
unsigned long r = 0;
sscanf(PQgetvalue(rs->m_pStmt,rs->m_current_row,field),"%lu",&r);
return r;
}
#if defined(_WIN32) || defined(_WIN64)
CPostgresField::operator __int64()
{
__int64 r = 0;
sscanf(PQgetvalue(rs->m_pStmt,rs->m_current_row,field),"%I64d",&r);
return r;
}
#else
CPostgresField::operator long long()
{
long long r = 0;
sscanf(PQgetvalue(rs->m_pStmt,rs->m_current_row,field),"%Ld",&r);
return r;
}
#endif
CPostgresField::operator const char *()
{
return PQgetvalue(rs->m_pStmt,rs->m_current_row,field);
}
CPostgresField::operator const wchar_t *()
{
wdata=cvs::wide(operator const char *());
return wdata.c_str();
}
/**********************************************************************/
CPostgresRecordset::CPostgresRecordset()
{
m_pStmt = NULL;
}
CPostgresRecordset::~CPostgresRecordset()
{
Close();
}
bool CPostgresRecordset::Init(PGconn *pDb, PGresult *pStmt)
{
m_pStmt = pStmt;
m_num_fields = PQnfields(m_pStmt);
m_sqlfields.resize(m_num_fields);
for(int n=0; n<m_num_fields; n++)
{
m_sqlfields[n].field = n;
m_sqlfields[n].rs = this;
m_sqlfields[n].name = PQfname(m_pStmt,n);
m_sqlfields[n].type = PQftype(m_pStmt,n);
}
m_num_rows = PQntuples(m_pStmt);
m_current_row = 0;
return true;
}
bool CPostgresRecordset::Close()
{
if(m_pStmt)
PQclear(m_pStmt);
m_pStmt = NULL;
return true;
}
bool CPostgresRecordset::Closed() const
{
if(m_pStmt)
return false;
return true;
}
bool CPostgresRecordset::Eof() const
{
return m_current_row>=m_num_rows;
}
bool CPostgresRecordset::Next()
{
if(m_current_row >= m_num_rows)
return false;
return (++m_current_row >= m_num_rows);
}
CSqlField* CPostgresRecordset::operator[](size_t item) const
{
if(item>=(size_t)m_num_fields)
return NULL;
return (CSqlField*)&m_sqlfields[item];
}
CSqlField* CPostgresRecordset::operator[](int item) const
{
if(item<0 || item>=m_num_fields)
return NULL;
return (CSqlField*)&m_sqlfields[item];
}
CSqlField* CPostgresRecordset::operator[](const char *item) const
{
for(size_t n=0; n<(size_t)m_num_fields; n++)
if(!strcasecmp(m_sqlfields[n].name.c_str(),item))
return (CSqlField*)&m_sqlfields[n];
CServerIo::error("Database error - field '%s' not found in recordset.",item);
return NULL;
}
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