+ if (base->enum_
+ && ovsdb_datum_find_key(base->enum_, atom, base->type) == UINT_MAX) {
+ struct ovsdb_error *error;
+ struct ds actual = DS_EMPTY_INITIALIZER;
+ struct ds valid = DS_EMPTY_INITIALIZER;
+
+ ovsdb_atom_to_string(atom, base->type, &actual);
+ ovsdb_datum_to_string(base->enum_,
+ ovsdb_base_type_get_enum_type(base->type),
+ &valid);
+ error = ovsdb_error("constraint violation",
+ "%s is not one of the allowed values (%s)",
+ ds_cstr(&actual), ds_cstr(&valid));
+ ds_destroy(&actual);
+ ds_destroy(&valid);
+
+ return error;
+ }
+