# name: test/sql/window/test_rank.test
# description: Test RANK state computations
# group: [window]

statement ok
PRAGMA enable_verification

# Multiple chunks, single partition
query IIIII
WITH t AS (
	SELECT i, RANK() OVER (ORDER BY i % 50) AS d
	FROM range(3000) tbl(i)
), w AS (
	SELECT d, COUNT(*) as c
	FROM t
	GROUP BY ALL
)
SELECT COUNT(*), MIN(d), MAX(d), MIN(c), MAX(c)
FROM w
----
50	1	2941	60	60

# Multiple chunks, multiple partitions
query IIIII
WITH t AS (
	SELECT i, RANK() OVER (PARTITION BY i // 3000 ORDER BY i % 50) AS d
	FROM range(9000) tbl(i)
), w AS (
	SELECT d, COUNT(*) as c
	FROM t
	GROUP BY ALL
)
SELECT COUNT(*), MIN(d), MAX(d), MIN(c), MAX(c)
FROM w
----
50	1	2941	180	180

# Different null ordering
query III
SELECT 
	*, 
	RANK() OVER (ORDER BY x NULLS FIRST) rank_nulls_first,
	RANK() OVER (ORDER BY x NULLS LAST) rank_nulls_last,
FROM VALUES (1), (1), (1), (NULL) as issue8315(x)
ORDER BY x
----
1.0	2	1
1.0	2	1
1.0	2	1
NULL	1	4