-- { echo }

-- Normal cases
select a, b, ntile(3) over (partition by a order by b rows between unbounded preceding and unbounded following) from(select intDiv(number,10) as a, number%10 as b from numbers(20));
0	0	1
0	1	1
0	2	1
0	3	1
0	4	2
0	5	2
0	6	2
0	7	3
0	8	3
0	9	3
1	0	1
1	1	1
1	2	1
1	3	1
1	4	2
1	5	2
1	6	2
1	7	3
1	8	3
1	9	3
select a, b, ntile(3) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20));
0	0	1
0	1	1
0	2	1
0	3	1
0	4	2
0	5	2
0	6	2
0	7	3
0	8	3
0	9	3
1	0	1
1	1	1
1	2	1
1	3	1
1	4	2
1	5	2
1	6	2
1	7	3
1	8	3
1	9	3
select a, b, ntile(2) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20));
0	0	1
0	1	1
0	2	1
0	3	1
0	4	1
0	5	2
0	6	2
0	7	2
0	8	2
0	9	2
1	0	1
1	1	1
1	2	1
1	3	1
1	4	1
1	5	2
1	6	2
1	7	2
1	8	2
1	9	2
select a, b, ntile(1) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20));
0	0	1
0	1	1
0	2	1
0	3	1
0	4	1
0	5	1
0	6	1
0	7	1
0	8	1
0	9	1
1	0	1
1	1	1
1	2	1
1	3	1
1	4	1
1	5	1
1	6	1
1	7	1
1	8	1
1	9	1
select a, b, ntile(100) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20));
0	0	1
0	1	2
0	2	3
0	3	4
0	4	5
0	5	6
0	6	7
0	7	8
0	8	9
0	9	10
1	0	1
1	1	2
1	2	3
1	3	4
1	4	5
1	5	6
1	6	7
1	7	8
1	8	9
1	9	10
select a, b, ntile(65535) over (partition by a order by b) from (select 1 as a, number as b from numbers(65535)) limit 100;
1	0	1
1	1	2
1	2	3
1	3	4
1	4	5
1	5	6
1	6	7
1	7	8
1	8	9
1	9	10
1	10	11
1	11	12
1	12	13
1	13	14
1	14	15
1	15	16
1	16	17
1	17	18
1	18	19
1	19	20
1	20	21
1	21	22
1	22	23
1	23	24
1	24	25
1	25	26
1	26	27
1	27	28
1	28	29
1	29	30
1	30	31
1	31	32
1	32	33
1	33	34
1	34	35
1	35	36
1	36	37
1	37	38
1	38	39
1	39	40
1	40	41
1	41	42
1	42	43
1	43	44
1	44	45
1	45	46
1	46	47
1	47	48
1	48	49
1	49	50
1	50	51
1	51	52
1	52	53
1	53	54
1	54	55
1	55	56
1	56	57
1	57	58
1	58	59
1	59	60
1	60	61
1	61	62
1	62	63
1	63	64
1	64	65
1	65	66
1	66	67
1	67	68
1	68	69
1	69	70
1	70	71
1	71	72
1	72	73
1	73	74
1	74	75
1	75	76
1	76	77
1	77	78
1	78	79
1	79	80
1	80	81
1	81	82
1	82	83
1	83	84
1	84	85
1	85	86
1	86	87
1	87	88
1	88	89
1	89	90
1	90	91
1	91	92
1	92	93
1	93	94
1	94	95
1	95	96
1	96	97
1	97	98
1	98	99
1	99	100
-- Bad arguments
select a, b, ntile(3.0) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile('2') over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile(0) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile(-2) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile(b + 1) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile() over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
select a, b, ntile(3, 2) over (partition by a order by b) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
-- Bad window type
select a, b, ntile(2) over (partition by a) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile(2) over (partition by a order by b rows between 4 preceding and unbounded following) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile(2) over (partition by a order by b rows between unbounded preceding and 4 following) from(select intDiv(number,10) as a, number%10 as b from numbers(20)); -- { serverError BAD_ARGUMENTS }
select a, b, ntile(2) over (partition by a order by b rows between 4 preceding and 4 following) from(select intDiv(number,10) as a, number%10 as b from numbers(20));; -- { serverError BAD_ARGUMENTS }
select a, b, ntile(2) over (partition by a order by b rows between current row and 4 following) from(select intDiv(number,10) as a, number%10 as b from numbers(20));; -- { serverError BAD_ARGUMENTS }
select a, b, ntile(2) over (partition by a order by b range unbounded preceding) from(select intDiv(number,10) as a, number%10 as b from numbers(20));; -- { serverError BAD_ARGUMENTS }