Almost exclusively performance improvements. Query speed is reduced by over 50% in tested workloads.
Features:
- Add a verbose mode (-v) that also prints debug logs (#218)
Performance:
- Refactor (#218)
- Add debug logs, including query plans (#218)
- opt1: Flatten trivial operations (#220)
- opt2: Inline suboperations (#221)
- opt3: Deduplicate primitives (#222)
- opt4: Simplify minof in some cases (#223)
- opt5: Propagate degenerate queries (#224)
- opt6: Reorder subqueries more optimally (#225)
- opt7: Prefetch disk reads (#226)
- opt8: Keep runs in compressed form for longer (#227)
Correctness:
Refactoring and maintenance:
- Create a simple framework for query optimizations (#217)