amaliujia commented on pull request #1991: URL: https://github.com/apache/calcite/pull/1991#issuecomment-658408913
@FatLittle thanks for your contribution. > related to #1950 > > 1. Introduce Top-Down rule applying strategy in VolcanoPlanner > 2. Implement tasks and state transformations according to the design of Columnbia Do you have a link to point to the design of Columnbia? > 3. Introduce a LowerBoundCost metadata to compute lower bound and used for pruning > 4. Using a flag to control whether to use new strategy or not ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
