Module window_executor 

Window function execution engine

Executes SQL-style window functions over datasets:

• Ranking functions: ROW_NUMBER, RANK, DENSE_RANK, NTILE
• Navigation functions: LAG, LEAD, FIRST_VALUE, LAST_VALUE, NTH_VALUE
• Aggregate functions: SUM, AVG, MIN, MAX, COUNT over window frames

Structs

WindowExecutor

Execute window functions over a dataset