presto-main/src/main/java/io/prestosql/operator/scalar/RowEqualOperator.java/RowEqualOperator/resolveFieldEqualOperators
class RowEqualOperator:    public static List<MethodHandle> resolveFieldEqualOperators(RowType rowType, Metadata metadata)
    {
        return rowType.getTypeParameters().stream()
                .map(type -> resolveEqualOperator(type, metadata))
                .collect(toImmutableList());
    }