$query->select([id, filename]);
$query->from(#__k2_attachments);
$query->where(‘id=’.$idattach);
#
$db->setQuery((string)$query);
#
$resultado = $db->loadAssocList();
$query->select([id, filename]);
$query->from(#__k2_attachments);
$query->where(‘id=’.$idattach);
#
$db->setQuery((string)$query);
#
$resultado = $db->loadAssocList();