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# Nested Query
> More info about nested query is in the [official elasticsearch docs][1]
Nested query allows to query nested objects / documents (see [nested mapping][2]). The query is executed against the nested
objects / documents as if they were indexed as separate documents (they are, internally) and resulting in the root
parent document (or parent nested mapping).
## Simple example
```JSON
{
"nested" : {
"path" : "obj1",
"score_mode" : "avg",
"query" : {
"bool" : {
"must" : [
{
"match" : {"obj1.name" : "blue"}
},
{
"range" : {"obj1.count" : {"gt" : 5}}
}
]
}
}
}
}
```
In DSL:
```php
$matchQuery = new MatchQuery('obj1.name', 'blue');
$rangeQuery = new RangeQuery('obj1.count', ['gt' => 5]);
$boolQuery = new BoolQuery();
$boolQuery->add($matchQuery);
$boolQuery->add($rangeQuery);
$nestedQuery = new NestedQuery(
'obj1',
$boolQuery
);
$nestedQuery->addParameter('score_mode', 'avg');
$search = new Search();
$search->addQuery($nestedQuery);
$queryArray = $search->toArray();
```
[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-nested-query.html
[2]: https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-nested-type.html
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