yiisoft/yii2-mongodb — pull request #3 by vintik100 (2014-09-22 21:02:25+00:00)
Title: Adding posibility to use projection in query like $elemMatch,$slice,$meta...

Example:
```php
$projection['translations']=['$elemMatch'=>['lang'=>'ru']];
$q=new \yii\mongodb\Query();
$q->from('property')->select($projection);
$rows=$q->all();
```