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MyMySQLPPResult.cpp

Go to the documentation of this file.

/*
        MyMySQL++ - Another MySQL++ API providing basic and easy access to MySQL functionality.
    Copyright (C) 2003 Stefan Schadt

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "pch.h"
#include "MyMySQLPPResult.h"

CMyMySQLPPResult::CMyMySQLPPResult(void)
{
        m_res = NULL;
}

CMyMySQLPPResult::~CMyMySQLPPResult(void)
{
        Free();
}

void CMyMySQLPPResult::Free(void)
{
        if(m_res != NULL)
                mysql_free_result(m_res);
        m_res = NULL;
}

MYSQL_RES* CMyMySQLPPResult::Detach(void)
{
        return m_res;
        m_res = NULL;
}

void CMyMySQLPPResult::Attach(MYSQL_RES* Result)
{
        Free();
        m_res = Result;
}

MYSQL_ROW_OFFSET CMyMySQLPPResult::RowTell(void)
{
        if(m_res == NULL)
                return NULL;
        return mysql_row_tell(m_res);
}

MYSQL_ROW_OFFSET CMyMySQLPPResult::RowSeek(MYSQL_ROW_OFFSET Offset)
{
        if(m_res == NULL)
                return NULL;
        return mysql_row_seek(m_res, Offset);
}

void CMyMySQLPPResult::DataSeek(__int64 Offset)
{
        if(m_res != NULL)
                mysql_data_seek(m_res, Offset);
}

BOOL CMyMySQLPPResult::EndOfFile(void)
{
        if(m_res == NULL)
                return TRUE;
        return (mysql_eof(m_res) != 0);
}

unsigned int CMyMySQLPPResult::NumFields(void)
{
        if(m_res == NULL)
                return 0;
        return mysql_num_fields(m_res);
}

__int64 CMyMySQLPPResult::NumRows(void)
{
        if(m_res == NULL)
                return 0;
        return mysql_num_rows(m_res);
}

BOOL CMyMySQLPPResult::FetchRow(CMyMySQLPPRow* row)
{
        row->Free();
        if(m_res == NULL)
                return FALSE;
        MYSQL_ROW r = mysql_fetch_row(m_res);
        if(r == NULL)
                return FALSE;
        row->Attach(r, m_res);
        return TRUE;
}

CMyMySQLPPRow CMyMySQLPPResult::FetchRow(void)
{
        if(m_res == NULL)
                return CMyMySQLPPRow();
        MYSQL_ROW r = mysql_fetch_row(m_res);
        if(r == NULL)
                return CMyMySQLPPRow();
        return CMyMySQLPPRow(r, m_res);
}

BOOL CMyMySQLPPResult::FetchRow(CMyMySQLPPRow* row, __int64 offset)
{
        DataSeek(offset);
        return FetchRow(row);
}

CMyMySQLPPRow CMyMySQLPPResult::FetchRow(__int64 offset)
{
        DataSeek(offset);
        return FetchRow();
}

CMyMySQLPPRow CMyMySQLPPResult::operator[](__int64 offset)
{
        return FetchRow(offset);
}

unsigned long* CMyMySQLPPResult::FetchLengths(void)
{
        if(m_res == NULL)
                return NULL;
        return mysql_fetch_lengths(m_res);
}

BOOL CMyMySQLPPResult::FetchField(CMyMySQLPPField* field)
{
        field->Free();
        if(m_res == NULL)
                return FALSE;
        MYSQL_FIELD *f = mysql_fetch_field(m_res);
        if(f == NULL)
                return FALSE;
        field->Attach(f);
        return TRUE;
}

CMyMySQLPPField CMyMySQLPPResult::FetchField(void)
{
        if(m_res == NULL)
                return CMyMySQLPPField();
        MYSQL_FIELD *f = mysql_fetch_field(m_res);
        if(f == NULL)
                return CMyMySQLPPField();
        return CMyMySQLPPField(f);
}

BOOL CMyMySQLPPResult::FetchField(CMyMySQLPPField* field, unsigned int fieldnr)
{
        field->Free();
        if(m_res == NULL)
                return FALSE;
        MYSQL_FIELD *f = mysql_fetch_field_direct(m_res, fieldnr);
        if(f == NULL)
                return FALSE;
        field->Attach(f);
        return TRUE;
}

CMyMySQLPPField CMyMySQLPPResult::FetchField(unsigned int fieldnr)
{
        if(m_res == NULL)
                return CMyMySQLPPField();
        MYSQL_FIELD *f = mysql_fetch_field_direct(m_res, fieldnr);
        if(f == NULL)
                return CMyMySQLPPField();
        return CMyMySQLPPField(f);
}

MYSQL_FIELD_OFFSET CMyMySQLPPResult::FieldSeek(MYSQL_FIELD_OFFSET offset)
{
        if(m_res == NULL)
                return NULL;
        return mysql_field_seek(m_res, offset);
}

MYSQL_FIELD_OFFSET CMyMySQLPPResult::FieldTell(void)
{
        if(m_res == NULL)
                return NULL;
        return mysql_field_tell(m_res);
}

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