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