Expand description
Window function trait with sliding-window support.
Window functions extend aggregate semantics with the ability to
efficiently process sliding window frames via the inverse method.
This enables O(1) per-row computation for frames like
ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING.
Structs§
- Window
Adapter - Type-erased adapter for
WindowFunction, analogous toAggregateAdapter.
Traits§
- Window
Function - A window SQL function (e.g.
SUM() OVER (...), custom moving averages).