Join GitHub today
GitHub is home to over 31 million developers working together to host and review code, manage projects, and build software together.Sign up
planner/core: simple greedy join reorder based on CBO #8394
What problem does this PR solve?
Let the default join reorder by greedy use CBO.
What is changed and how it works?
Removed old one, add the new greedy algo.
Update for TPCH Q17:
New order is
You cannot say that the new order(don't care about the actual operator node below) is worse than before.
This can be optimized i think. But will leave it for future pr to do.