File: test_rank_orderby.test

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# name: test/sql/window/test_rank_orderby.test
# description: Test argument ordering for RANK and PERCENT_RANK
# group: [window]

statement ok
PRAGMA enable_verification

query IIII
SELECT 
	i,
	(i * 29) % 11 AS outside,
	rank(ORDER BY (i // 2) DESC) OVER w,
	percent_rank(ORDER BY (i // 2) DESC) OVER w,
FROM range(10) tbl(i)
WINDOW w AS (
	ORDER BY (i * 29) % 11
)
ORDER BY 2
----
0	0	1	0.0
8	1	1	0.0
5	2	2	0.5
2	3	3	0.6666666666666666
7	5	2	0.25
4	6	3	0.4
1	7	6	0.8333333333333334
9	8	1	0.0
6	9	3	0.25
3	10	7	0.6666666666666666

# Test parallel token construction (uses 4 threads)
query IIIII
WITH ranked AS (
	SELECT 
		i,
		i // 100 AS p,
		i % 50 AS o,
		100 - 2 * (i % 50) - 1 AS expected,
		rank(ORDER BY i % 50 DESC) OVER w AS actual,
	FROM range(100_000) tbl(i)
	WINDOW w AS (
		PARTITION BY i // 100
		ORDER BY i
		ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
	)
)
SELECT *
FROM ranked
WHERE expected <> actual
ORDER BY p, o DESC
LIMIT 20
----

# Test duplicate ORDER BY optimisation
query IIII
SELECT 
	i,
	i // 2 AS outside,
	rank(ORDER BY i // 2) OVER w,
	percent_rank(ORDER BY i // 2) OVER w,
FROM range(10) tbl(i)
WINDOW w AS (
	ORDER BY i // 2
	ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING
)
ORDER BY 1
----
0	0	1	0.0
1	0	1	0.0
2	1	3	0.4
3	1	3	0.3333333333333333
4	2	4	0.5
5	2	3	0.3333333333333333
6	3	4	0.5
7	3	3	0.4
8	4	4	0.75
9	4	3	0.6666666666666666