presto-mongodb/src/main/java/io/prestosql/plugin/mongodb/ObjectIdFunctions.java/ObjectIdFunctions/indeterminate
class ObjectIdFunctions:    @ScalarOperator(INDETERMINATE)
    @SqlType(StandardTypes.BOOLEAN)
    public static boolean indeterminate(@SqlType("ObjectId") Slice value, @IsNull boolean isNull)
    {
        return isNull;
    }