From ac05db95f762fb2f2ef08076c6ade032efda4d16 Mon Sep 17 00:00:00 2001
From: Aivaras Gotovskis <aivaras.gotovskis@ongr.io>
Date: Tue, 7 Jul 2015 11:35:48 +0300
Subject: [PATCH] Add and filter doc.
---
docs/Filter/And.md | 51 ++++++++++++++++++++++++++++++++++++++++++++++
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+# And Filter
+
+> More info about and filter is in the [official elasticsearch docs][1]
+
+A filter that matches documents using the AND boolean operator on other filters.
+Can be placed within queries that accept a filter.
+
+## Simple example
+
+```JSON
+{
+ "filtered" : {
+ "query" : {
+ "term" : { "name.first" : "shay" }
+ },
+ "filter" : {
+ "and" : [
+ {
+ "range" : {
+ "postDate" : {
+ "from" : "2010-03-01",
+ "to" : "2010-04-01"
+ }
+ }
+ },
+ {
+ "prefix" : { "name.second" : "ba" }
+ }
+ ]
+ }
+ }
+}
+```
+
+And now the query via DSL:
+
+```php
+$rangeFilter = new RangeFilter('postDate', ['from' => '2010-03-01', 'to' => '2010-04-01']);
+$prefixFilter = new PrefixFilter('name.second', 'ba');
+$andFilter = new AndFilter([$rangeFilter, $prefixFilter]);
+
+$termQuery = new TermQuery('name.first', 'shay');
+
+$search = new Search();
+$search->addQuery($termQuery);
+$search->addFilter($andFilter);
+
+$queryArray = $search->toArray();
+```
+
+[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-and-filter.html
--
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