- Added a new @PrimaryKey annotation to replace the too-specific property-wise @Id

src/Annotation/Property/Field/Id.php

@@ -2,15 +2,13 @@
 
 namespace Ulmus\Annotation\Property\Field;
 
-class Id extends \Ulmus\Annotation\Property\Field {
+class Id extends \Ulmus\Annotation\Property\Field\PrimaryKey {
 
     public function __construct()
     {
-        $this->nullable = false;
         $this->attributes['unsigned'] = true;
-        $this->attributes['primary_key'] = true;
         $this->attributes['auto_increment'] = true;
-        
+
         parent::__construct('bigint');
     }