From 6c96d63bd59a1895c1e7441068b4ced246880067 Mon Sep 17 00:00:00 2001
From: Olda Salek <mzk@mozektevidi.net>
Date: Tue, 27 Sep 2022 14:45:12 +0200
Subject: [PATCH 1/2] add failing testcase test enum Change sets

---
 .../Tests/ORM/Functional/EnumTest.php         | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/tests/Doctrine/Tests/ORM/Functional/EnumTest.php b/tests/Doctrine/Tests/ORM/Functional/EnumTest.php
index 9e53b856087..151067ef280 100644
--- a/tests/Doctrine/Tests/ORM/Functional/EnumTest.php
+++ b/tests/Doctrine/Tests/ORM/Functional/EnumTest.php
@@ -260,6 +260,46 @@ public function testEnumArrayInDtoHydration(): void
         self::assertEqualsCanonicalizing([Unit::Gram, Unit::Meter], $result[0]->supportedUnits);
     }
 
+    public function testEnumChangeSetsSimpleObjectHydrator(): void
+    {
+        $this->setUpEntitySchema([Card::class]);
+
+        $card       = new Card();
+        $card->suit = Suit::Clubs;
+
+        $this->_em->persist($card);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $result = $this->_em->find(Card::class, $card->id);
+
+        $this->_em->getUnitOfWork()->computeChangeSets();
+
+        self::assertFalse($this->_em->getUnitOfWork()->isScheduledForUpdate($result));
+    }
+
+    public function testEnumChangeSetsObjectHydrator(): void
+    {
+        $this->setUpEntitySchema([Card::class]);
+
+        $card       = new Card();
+        $card->suit = Suit::Clubs;
+
+        $this->_em->persist($card);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $result = $this->_em->createQueryBuilder()
+            ->from(Card::class, 'c')
+            ->select('c')
+            ->getQuery()
+            ->getResult();
+
+        $this->_em->getUnitOfWork()->computeChangeSets();
+
+        self::assertFalse($this->_em->getUnitOfWork()->isScheduledForUpdate($result[0]));
+    }
+
     public function testFindByEnum(): void
     {
         $this->setUpEntitySchema([Card::class]);

From a1ed32f697f66d33de42fe96b1ea90e873ba2d5f Mon Sep 17 00:00:00 2001
From: HypeMC <hypemc@gmail.com>
Date: Wed, 28 Sep 2022 00:02:02 +0200
Subject: [PATCH 2/2] Fix change set computation with enums

---
 lib/Doctrine/ORM/UnitOfWork.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index 3a157c404b8..a3f1794899b 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -4,6 +4,7 @@
 
 namespace Doctrine\ORM;
 
+use BackedEnum;
 use DateTimeInterface;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
@@ -743,6 +744,10 @@ public function computeChangeSet(ClassMetadata $class, $entity)
 
                 $orgValue = $originalData[$propName];
 
+                if ($orgValue instanceof BackedEnum) {
+                    $orgValue = $orgValue->value;
+                }
+
                 // skip if value haven't changed
                 if ($orgValue === $actualValue) {
                     continue;