private function fields($class)
{
if ($class == $this->_class)
{
return $this->_class . '.*';
}
else
{
$tree = Model::getISATree($class);
$fields = array();
foreach ($tree as $c)
{
foreach (Model::getFieldNamesFor($c) as $field)
{
// Fix duplicate columns problem (does not occur in SQLite, but does in MySQL)
if (! array_key_exists($field, $fields))
$fields[$field] = $c . '.'.$field;
}
}
return implode(', ', $fields);
}
}
