1.3. What’s New in 0.179-t.0.1
The following is notable functionality added in 0.179-t.0.1
Cost-Based Optimizer
- Cost-based join reordering
- Determine join distribution type based on statistics
- Show estimated statistics in
EXPLAIN
Spill to Disk
- Spill-to-disk for inner joins
- Improved spill-to-disk for aggregations
Performance
- Distributed merge sort
- Improve performance for selective filters
- Numerous other performance improvements, bug fixes, and other features
Release Notes
Also see release notes Release 0.179-t