Hi everyone,
I want to test calcite optimization of volcano planner with null cost factory.
To avoid implementing some RelNodes and ConvertRules, I use BindableConvention
trait set to transform converted RelNode. The QueryPlanner references to the
implementation of SamzaSQL:
https://github.com
Hello everyone:
Now I am learning calcite streamSQL. Samza is a stream system and uses calcite
very well. I have a question about planner. Anyone can help me. Thanks in
advance.
The question is following:
1、 I want to know what is the difference between HepPlanner and
VolcanoPlanner? For st