1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
# name: test/sql/optimizer/test_duplicate_groups_optimizer.test
# description: Test Duplicate Groups optimizer
# group: [optimizer]
statement ok
create table t1(col1 int, col2 int);
statement ok
create table t2(col3 int);
statement ok
insert into t1 values (1, 1);
statement ok
insert into t2 values (1);
statement ok
pragma enable_verification;
query III
select
col1,
col2,
col3
from t1
join t2
on t1.col1 = t2.col3
group by rollup(col1, col2, col3) order by 1, 2 ,3;
----
1 1 1
1 1 NULL
1 NULL NULL
NULL NULL NULL
query III
select
col1,
col2,
col3
from t1
join t2
on t1.col1 = t2.col3
group by cube(col1, col2, col3) order by 1, 2 ,3;
----
1 1 1
1 1 NULL
1 NULL 1
1 NULL NULL
NULL 1 1
NULL 1 NULL
NULL NULL 1
NULL NULL NULL
query III
select
col1,
col2,
col3
from t1
join t2
on t1.col1 = t2.col3
group by grouping sets (col1, col2, col3), (col1, col2), (col1) order by 1, 2 ,3;
----
1 1 1
1 1 NULL
1 1 NULL
statement ok
pragma explain_output='optimized_only';
statement ok
pragma disable_verification;
# make sure there is only one group and unused columns/duplicate groups still
# works.
# if unused columns/duplicate groups combo breaks, each group will be on a separate line
query II
explain select
col1,
col3
from t1
join t2
on t1.col1 = t2.col3
group by col1, col3;
----
logical_opt <REGEX>:.*Groups: col1.*
statement ok
create table t3 (a int, b int, c int);
statement ok
insert into t3 values
(1, 1, 1),
(1, 2, 2),
(1, 1, 1),
(1, 2, 1);
query III
select * from t3 group by cube(a, b, c) order by all;
----
1 1 1
1 1 NULL
1 2 1
1 2 2
1 2 NULL
1 NULL 1
1 NULL 2
1 NULL NULL
NULL 1 1
NULL 1 NULL
NULL 2 1
NULL 2 2
NULL 2 NULL
NULL NULL 1
NULL NULL 2
NULL NULL NULL
|
