deferred load

application/Espo/ORM/Relation/RDBRelations.php

@@ -30,7 +30,6 @@
 namespace Espo\ORM\Relation;
 
 use Espo\ORM\BaseEntity;
-use Espo\ORM\Defs\RelationDefs;
 use Espo\ORM\Entity;
 use Espo\ORM\EntityCollection;
 use Espo\ORM\EntityManager;
@@ -310,6 +309,10 @@ class RDBRelations implements Relations
             ->getEntity($this->entity->getEntityType())
             ->getRelation($relation);
 
+        if (!$defs->getParam('deferredLoad')) {
+            return null;
+        }
+
         $relationType = $defs->getType();
 
         $id = null;

schema/metadata/entityDefs.json

@@ -1330,6 +1330,26 @@
                             }
                         }
                     }
+                },
+                {
+                    "if": {
+                        "properties": {
+                            "type": {
+                                "anyOf": [
+                                    {"const": "belongsTo"},
+                                    {"const": "belongsToParent"}
+                                ]
+                            }
+                        }
+                    },
+                    "then": {
+                        "properties": {
+                            "deferredLoad": {
+                                "type": "boolean",
+                                "description": "When getting a related entity from an entity, it will be returned without loaded values. Values will be loaded on accessing. The downside is that it can return an entity even if it's deleted."
+                            }
+                        }
+                    }
                 }
             ]
         },