It's worth noting, that the vectorized query execution, and many algorithms in Apache Doris are adopted from ClickHouse - the leading OLAP DBMS: https://github.

It's worth noting, that the vectorized query execution, and many algorithms in Apache Doris are adopted from ClickHouse - the leading OLAP DBMS: https://github.com/search?q=repo%3Aapache%2Fdoris%20clickhouse&type=code https://github.com/search?q=repo%3Aapache%2Fdoris%20clickhou... And it is totally alright because they give proper attributions in the code, and they notified me directly about the proper way of this usage. It is much better than the other forks of Apache Doris, which are promoted independently and don't give credit.