fix bug where result.Document.self != result

query.go

@@ -611,10 +611,18 @@ func (q *Query) Exec(result interface{}) {
 			imodel, ok := cur.Interface().(IDocument)
 			if ok {
 				imodel.setExists(true)
+				imodel.SetSelf(imodel)
 				doc.Elem().Index(i).Set(reflect.ValueOf(imodel))
 			}
 		}
 	}
+
+	if idoc, ok := q.doc.(IDocument); ok {
+		idoc.SetSelf(result)
+	}
+	if rdoc, ok2 := result.(IDocument); ok2 {
+		rdoc.SetSelf(result)
+	}
 	reflect.ValueOf(result).Elem().Set(reflect.ValueOf(q.doc).Elem())
 	q.done = true
 }