From c31ad07de9c53386c0e7583ea9c431fdff25343b Mon Sep 17 00:00:00 2001
From: Mathieu Darse <mdarse@jolicode.com>
Date: Tue, 10 Nov 2015 12:29:14 +0100
Subject: [PATCH] Do not filter out falsy boolean values

---
 .../Elastic/Indexer/Record/Hydrator/MetadataHydrator.php        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/Record/Hydrator/MetadataHydrator.php b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/Record/Hydrator/MetadataHydrator.php
index e3b94e626d..34fe519718 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/Record/Hydrator/MetadataHydrator.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/Record/Hydrator/MetadataHydrator.php
@@ -61,7 +61,7 @@ SQL;
             $value = $metadata['value'];
 
             // Do not keep empty values
-            if (empty($key) || empty($value)) {
+            if ($key === '' || $value === '') {
                 continue;
             }