From e37b4ee9b13ebefd1ae05172bd42c0eac180bbc7 Mon Sep 17 00:00:00 2001
From: Curzio Della Santa <curzio.della.santa@detailnet.ch>
Date: Thu, 13 Jun 2019 09:29:53 +0200
Subject: [PATCH] Permit to use in operator with null as one of the items in
 array value

---
 .../ODM/Repository/BaseDocumentRepository.php      | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Doctrine/ODM/Repository/BaseDocumentRepository.php b/src/Doctrine/ODM/Repository/BaseDocumentRepository.php
index a5e5613..e02fd4b 100644
--- a/src/Doctrine/ODM/Repository/BaseDocumentRepository.php
+++ b/src/Doctrine/ODM/Repository/BaseDocumentRepository.php
@@ -185,7 +185,19 @@ protected function applyCriteriaToQueryBuilder(array $criteria, QueryBuilder $qu
                 );
             }
 
-            $queryBuilder->field($this->getField($field))->$operator($value);
+            $mappedField = $this->getField($field);
+
+            // Permit to filter IN values when null is present
+            if ($operator === 'in' && in_array(null, $value, true)) {
+                $queryBuilder
+                    ->field($mappedField) // Not necessary
+                    ->addOr($queryBuilder->expr()->field($mappedField)->in($value)) // No need to filter out the null
+                    ->addOr($queryBuilder->expr()->field($mappedField)->exists(false));
+
+                continue;
+            }
+
+            $queryBuilder->field($mappedField)->$operator($value);
         }
 
         return $queryBuilder;