presto-kudu/src/main/java/io/prestosql/plugin/kudu/KuduColumnHandle.java/KuduColumnHandle/equals
class KuduColumnHandle:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        KuduColumnHandle other = (KuduColumnHandle) obj;
        return Objects.equals(this.name, other.name) &&
                Objects.equals(this.ordinalPosition, other.ordinalPosition) &&
                Objects.equals(this.type, other.type);
    }