# name: benchmark/micro/window/window_constant_count.benchmark
# description: Moving COUNT(*) performance, fixed 100 element window
# group: [window]

load
SELECT SETSEED(0.8675309);
CREATE TABLE arrow_001 AS
	SELECT date, item, ROUND(100 * exp(-random() ** 2))::INTEGER AS sale
	FROM
		(SELECT '1970-01-01'::DATE + INTERVAL (range) DAY AS date FROM range(0, 1000000)) dates,
		range(1, 5) items(item)
	ORDER BY 1, 2
;

run
SELECT sum(total)
FROM (
	SELECT date, item, COUNT(*) FILTER (WHERE item % 3 = 0) OVER (PARTITION BY "date") AS "total"
	FROM arrow_001
) df
;

result I
4000000