This is a Swift implementation of the Kossmann and Stocker Iterative Dynamic Programming query planning algorithm. It is generic, and can be used with any system with types conforming to two protocols:
Costtype for a plan, and compare two cost values
Kossmann, Donald, and Konrad Stocker. "Iterative dynamic programming: a new class of query optimization algorithms." ACM Transactions on Database Systems (TODS) 25.1 (2000): 43-82.
|Last commit: 5 days ago|