# extracted from: https://github.com/MongoEngine/mongoengine/blob/master/mongoengine/base/document.py#L1136
     else:
                ReferenceField = _import_class("ReferenceField")
                GenericReferenceField = _import_class("GenericReferenceField")

                # If previous field was a reference, throw an error (we
                # cannot look up fields that are on references).
                if isinstance(field, (ReferenceField, GenericReferenceField)):
                    raise LookUpError(
                        "Cannot perform join in mongoDB: %s" % "__".join(parts)
                    )

                # If the parent field has a "field" attribute which has a
                # lookup_member method, call it to find the field
                # corresponding to this iteration.
                if hasattr(getattr(field, "field", None), "lookup_member"):
                    new_field = field.field.lookup_member(field_name)

                #### NEXT ELIF IS GIVING PRIORITY TO DYNAMIC DOCUMENTS OVER EMBEDDED DOCUMENTS ####
                # If the parent field is a DynamicField or if it's part of
                # a DynamicDocument, mark current field as a DynamicField
                # with db_name equal to the field name.
                elif cls._dynamic and (
                    isinstance(field, DynamicField)
                    or getattr(getattr(field, "document_type", None), "_dynamic", None)
                ):
                    new_field = DynamicField(db_field=field_name)

                # Else, try to use the parent field's lookup_member method
                # to find the subfield.
                elif hasattr(field, "lookup_member"):
                    new_field = field.lookup_member(field_name)

                # Raise a LookUpError if all the other conditions failed.
                else:
                    raise LookUpError(
                        "Cannot resolve subfield or operator {} "
                        "on the field {}".format(field_name, field.name)
                    )

     else:
                ReferenceField = _import_class("ReferenceField")
                GenericReferenceField = _import_class("GenericReferenceField")

                # If previous field was a reference, throw an error (we
                # cannot look up fields that are on references).
                if isinstance(field, (ReferenceField, GenericReferenceField)):
                    raise LookUpError(
                        "Cannot perform join in mongoDB: %s" % "__".join(parts)
                    )

                #### THIS CHANGE GIVES PRIORITY TO EMBEDDED DOCUMENTS OVER DYNAMIC DOCUMENTS ####
                # If the parent field has a "field" attribute which has a
                # lookup_member method, call it to find the field
                # corresponding to this iteration.
                if hasattr(getattr(field, "field", None), "lookup_member"):
                    new_field = field.field.lookup_member(field_name)

                # Else, try to use the parent field's lookup_member method
                # to find the subfield.
                elif hasattr(field, "lookup_member"):
                    new_field = field.lookup_member(field_name)

                # If the parent field is a DynamicField or if it's part of
                # a DynamicDocument, mark current field as a DynamicField
                # with db_name equal to the field name.
                elif cls._dynamic and (
                    isinstance(field, DynamicField)
                    or getattr(getattr(field, "document_type", None), "_dynamic", None)
                ):
                    new_field = DynamicField(db_field=field_name)

                # Raise a LookUpError if all the other conditions failed.
                else:
                    raise LookUpError(
                        "Cannot resolve subfield or operator {} "
                        "on the field {}".format(field_name, field.name)
                    )