presto-main/src/main/java/io/prestosql/sql/planner/Partitioning.java/Partitioning/translate
class Partitioning:    public Partitioning translate(Function<Symbol, Symbol> translator)
    {
        return new Partitioning(handle, arguments.stream()
                .map(argument -> argument.translate(translator))
                .collect(toImmutableList()));
    }