bool CMySQL_RowResult::Fetch()
{
m_CurrItem = -1;
m_Row = mysql_fetch_row(m_Result);
if ( m_Row ) {
m_Lengths = mysql_fetch_lengths(m_Result);
if ( !m_Lengths )
DATABASE_DRIVER_WARNING( "Failed: mysql_fetch_lengths", 800006 );
}
m_CurrItem = 0;
return m_Row != 0;
}
bool CMySQL_LangCmd::Send()
{
if (mysql_real_query
(&m_Connect->m_MySQL, GetQuery().data(), GetQuery().length()) != 0) {
DATABASE_DRIVER_WARNING( "Failed: mysql_real_query", 800003 );
}
GetBindParamsImpl().LockBinding();
my_ulonglong nof_Rows = mysql_affected_rows(&this->m_Connect->m_MySQL);
// There is not too much sence in comparing unsigned value with -1.
// m_HasMoreResults = nof_Rows == -1 || nof_Rows > 0;
m_HasMoreResults = nof_Rows > 0;
return true;
}
CMySQL_RowResult::CMySQL_RowResult(CMySQL_Connection& conn)
: m_Connect(&conn),
m_CurrItem(-1)
{
m_Result = mysql_use_result(&m_Connect->m_MySQL);
if ( !m_Result ) {
DATABASE_DRIVER_WARNING( "Failed: mysql_use_result", 800004 );
}
unsigned int col_num = mysql_num_fields(m_Result);
MYSQL_FIELD* fields = mysql_fetch_fields(m_Result);
for (unsigned int n = 0; n < col_num; n++) {
m_CachedRowInfo.Add(
fields[n].name,
fields[n].max_length,
s_GetDataType(fields[n].type)
);
}
}