From ec3c0ee57af7e70be887a11d682193674b6f187a Mon Sep 17 00:00:00 2001
From: Aivaras Gotovskis <aivaras.gotovskis@ongr.io>
Date: Wed, 8 Jul 2015 09:55:08 +0300
Subject: [PATCH] Add prefix filter doc.
---
docs/Filter/Prefix.md | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 docs/Filter/Prefix.md
diff --git a/docs/Filter/Prefix.md b/docs/Filter/Prefix.md
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+# Prefix Filter
+
+> More info about prefix filter is in the [official elasticsearch docs][1]
+
+Filters documents that have fields containing terms with a specified prefix.
+
+## Simple example
+
+```JSON
+{
+ "filter" : {
+ "prefix" : { "user" : "ki" }
+ }
+}
+```
+
+And now the query via DSL:
+
+```php
+$termFilter = new PrefixFilter('user', 'ki');
+
+$search = new Search();
+$search->addFilter($termFilter);
+
+$queryArray = $search->toArray();
+```
+
+[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-prefix-filter.html
--
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