private function findAliasForField($field)
{
$components = $this->_getQueryComponents();
foreach (array_keys($components) as $alias) {
$meta = $components[$alias];
if ($meta['metadata']->hasField($field)) {
return array($alias, $meta['metadata']->name);
} else {
return array($field, $meta['metadata']->name);
}
}
return array($field, $components['metadata']->name);
}