🚀 TiDB Cascades Rule Evolution Project
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type/enhancement
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Description
## Enhancement
After 1.5 years of iterative development on Cascades TopDown Optimization, we're now at the final stretch to fully integrate and enable this framework into TiDB's query optimizer and show its capability. This issue serves as:
- The turning point for migration work of current logical rule to cascades format.
- The launchpad for expanding Cascades rule coverage to user valuable cases.
- A design detail dashboard for future epic rule introduction like new join-reorder.
## Current Status
🔧 Remaining work:
- [ ] Rule Migration
- [ ]
- [ ] Rule Adding
- [ ] https://github.com/pingcap/tidb/issues/61556, Agg Elimination Family
- [ ] Epic Rule Design
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Assessment
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