From 326016f8dd7c63c78a38b054209fdf698664707a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mantas=20Marcinkevi=C4=8Dius?= <marc.mantas@gmail.com>
Date: Thu, 1 Sep 2016 17:09:50 +0300
Subject: [PATCH] added docs for parent inner hit
---
docs/InnerHits/Parent.md | 39 +++++++++++++++++++++++++++++++++++++++
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+# Parent Inner Hits
+
+> More info about inner hits is in the [official elasticsearch docs][1]
+
+The `parent/child` inner_hits can be used to include parent or child.
+The usage of parent inner hits is very similar to that of nested [inner hits](Nested.md), the only
+difference is that in stead of passing the `path` to the nested object, the parent/child `type`
+needs to be passed to the `$path` variable.
+
+## Simple example
+
+```JSON
+{
+ "inner_hits" : {
+ "children" : {
+ "type" : {
+ "article" : {
+ "query" : {
+ "match" : {"title" : "[actual query]"}
+ }
+ }
+ }
+ }
+ }
+}
+```
+
+And now the query via DSL:
+
+```php
+$matchQuery = new MatchQuery('title', '[actual query]');
+$innerHit = new ParentInnerHit('children', 'article', $matchQuery);
+
+$search = new Search();
+$search->addInnerHit($innerHit);
+$search->toArray();
+```
+
+[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-request-inner-hits.html
--
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