[Building Blocks] Implement, Integrate and Extend a Query Engine (Ruihang Xia)

Speaker:

Ruihang Xia

System:

GreptimeDB

Video:

YouTube

GreptimeDB uses Apache DataFusion and many other common building blocks in its implementation. This talk will focus on managing the query aspect of a (time-series) database across various parts. We have extended DataFusion to implemenet PromQL, add grammar candies to SQL, cooperate with external secondary indexes and write domain-specific optimizer rules etc. Each of above is extended in a different... Read More