presto-parser/src/main/java/io/prestosql/sql/tree/Unnest.java/Unnest/equals
class Unnest:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        Unnest other = (Unnest) obj;
        return Objects.equals(expressions, other.expressions) && withOrdinality == other.withOrdinality;
    }