From aaa0a63db1318ee61b1f76bb3d0805ab06dc2e01 Mon Sep 17 00:00:00 2001
From: Maksym Perepelytsya <mperepelytsya@magecore.com>
Date: Wed, 29 Mar 2017 13:47:54 +0300
Subject: [PATCH] CRM-8025: Consumer is being interrupted with "Invalid filters
 structure" error (#9107)

- remove data-validation-optional
 - check empty filters in FilterProcessor
---
 .../Bundle/QueryDesignerBundle/QueryDesigner/FilterProcessor.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Oro/Bundle/QueryDesignerBundle/QueryDesigner/FilterProcessor.php b/src/Oro/Bundle/QueryDesignerBundle/QueryDesigner/FilterProcessor.php
index a53791b61fc..75e951d8faf 100644
--- a/src/Oro/Bundle/QueryDesignerBundle/QueryDesigner/FilterProcessor.php
+++ b/src/Oro/Bundle/QueryDesignerBundle/QueryDesigner/FilterProcessor.php
@@ -42,6 +42,7 @@ public function filter(QueryBuilder $queryBuilder, WidgetOptionBag $widgetOption
      */
     public function process(QueryBuilder $qb, $rootEntity, array $filters, $rootEntityAlias)
     {
+        $filters = array_filter($filters);
         if (!$filters) {
             // nothing to do
             return $qb;