DBType MyBoundResults::GetFieldType(unsigned int field)
{
if (field >= m_ColCount)
{
return DBType_Unknown;
}
MYSQL_FIELD *fld = mysql_fetch_field_direct(m_pRes, field);
return GetOurType(fld->type);
}
bool MyBoundResults::Initialize()
{
/* Check if we need to build our result binding information */
if (!m_Initialized)
{
for (unsigned int i = 0; i < m_ColCount; i++)
{
MYSQL_FIELD *field = mysql_fetch_field_direct(m_pRes, i);
DBType type = GetOurType(field->type);
m_bind[i].length = &(m_pull[i].my_length);
m_bind[i].is_null = &(m_pull[i].my_null);
if (type == DBType_Integer)
{
m_bind[i].buffer_type = MYSQL_TYPE_LONG;
m_bind[i].buffer = &(m_pull[i].data.ival);
}
else if (type == DBType_Float) {
m_bind[i].buffer_type = MYSQL_TYPE_FLOAT;
m_bind[i].buffer = &(m_pull[i].data.ival);
}
else if (type == DBType_String || type == DBType_Blob) {
m_bind[i].buffer_type = GetTheirType(type);
/* We bound this to 2048 bytes. Otherwise a MEDIUMBLOB
* or something could allocate horrible amounts of memory
* because MySQL is incompetent.
*/
size_t creat_length = (size_t)field->length;
if (!creat_length || creat_length > DEFAULT_BUFFER_SIZE)
{
creat_length = DEFAULT_BUFFER_SIZE;
}
m_pull[i].blob = new unsigned char[creat_length];
m_pull[i].length = creat_length;
m_bind[i].buffer = m_pull[i].blob;
m_bind[i].buffer_length = (unsigned long)creat_length;
}
else {
return false;
}
}
m_Initialized = true;
}
/* Do the actual bind */
return (mysql_stmt_bind_result(m_stmt, m_bind) == 0);
}
