From 2b93ee9bc0dead2843e4a144e7b3edf8a296a6da Mon Sep 17 00:00:00 2001
From: Aivaras Gotovskis <aivaras.gotovskis@ongr.io>
Date: Wed, 1 Jul 2015 15:28:38 +0300
Subject: [PATCH] Make modifier argument optional.

In method addFieldValueFactorFunction.
Elasticsearch documentation says that it is optional.
---
 src/Query/FunctionScoreQuery.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Query/FunctionScoreQuery.php b/src/Query/FunctionScoreQuery.php
index 9e09a52..19522ed 100644
--- a/src/Query/FunctionScoreQuery.php
+++ b/src/Query/FunctionScoreQuery.php
@@ -81,7 +81,7 @@ class FunctionScoreQuery implements BuilderInterface
      *
      * @return $this
      */
-    public function addFieldValueFactorFunction($field, $factor, $modifier, BuilderInterface $filter = null)
+    public function addFieldValueFactorFunction($field, $factor, $modifier = 'none', BuilderInterface $filter = null)
     {
         $function = [
             'field_value_factor' => [
-- 
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