fix and test

src/Metadata/Storage/TableMetadataStorage.php

@@ -276,8 +276,8 @@ private function updateMigratedVersionsFromV1orV2toV3(): void
 
     private function isAlreadyV3Format(AvailableMigration $availableMigration, ExecutedMigration $executedMigration): bool
     {
-        return $availableMigration->getVersion() !== $executedMigration->getVersion()
-            && strpos(
+        return (string) $availableMigration->getVersion() === (string) $executedMigration->getVersion()
+            || strpos(
                 (string) $availableMigration->getVersion(),
                 (string) $executedMigration->getVersion(),
             ) !== strlen((string) $availableMigration->getVersion()) -

tests/Metadata/Storage/TableMetadataStorageTest.php

@@ -18,7 +18,10 @@
 use Doctrine\DBAL\Types\IntegerType;
 use Doctrine\DBAL\Types\StringType;
 use Doctrine\DBAL\Types\Types;
+use Doctrine\Migrations\AbstractMigration;
 use Doctrine\Migrations\Exception\MetadataStorageError;
+use Doctrine\Migrations\Metadata\AvailableMigration;
+use Doctrine\Migrations\Metadata\ExecutedMigration;
 use Doctrine\Migrations\Metadata\Storage\TableMetadataStorage;
 use Doctrine\Migrations\Metadata\Storage\TableMetadataStorageConfiguration;
 use Doctrine\Migrations\Version\AlphabeticalComparator;
@@ -400,4 +403,21 @@ public function testGetSql(): void
 
         self::assertCount(0, $this->connection->fetchAllAssociative($sql));
     }
+
+    public function testIsAlreadyV3FormatDoesntMissTheSameVersions()
+    {
+        $availableMigration = new AvailableMigration(
+            new Version('Foo\\Version1234'),
+            $this->createMock(AbstractMigration::class)
+        );
+        $executedMigrationV3 = new ExecutedMigration(new Version('Foo\\Version1234'));
+        $executedMigrationOlder = new ExecutedMigration(new Version('Version1234'));
+
+        $reflection = new \ReflectionClass(TableMetadataStorage::class);
+        $method = $reflection->getMethod('isAlreadyV3Format');
+        $method->setAccessible(true);
+
+        self::assertTrue($method->invokeArgs($this->storage, [$availableMigration, $executedMigrationV3]));
+        self::assertFalse($method->invokeArgs($this->storage, [$availableMigration, $executedMigrationOlder]));
+    }
 }