void free_old_query(MYSQL *mysql)
{
  DBUG_ENTER("free_old_query");
  if (mysql->fields)
    free_root(&mysql->field_alloc,MYF(0));
  init_alloc_root(&mysql->field_alloc,8192,0); /* Assume rowlength < 8192 */
  mysql->fields= 0;
  mysql->field_count= 0;			/* For API */
  mysql->warning_count= 0;
  mysql->info= 0;
  DBUG_VOID_RETURN;
}
void free_old_query(MYSQL *mysql)
{
  DBUG_ENTER("free_old_query");
  if (mysql->fields)
    free_root(&mysql->field_alloc,MYF(0));
  init_alloc_root(&mysql->field_alloc,8192,0);  
  mysql->fields= 0;
  mysql->field_count= 0;			 
  mysql->warning_count= 0;
  mysql->info= 0;
  DBUG_VOID_RETURN;
}