summaryrefslogtreecommitdiff
path: root/mysql-test/r/func_group_innodb.result
blob: 908e85c16527fe1bfcc4fed91294a4e3e0300b0e (plain)
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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
insert into t1 values (1, 3);
select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ
1
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
Case When Count(*) < MAX_REQ Then 1 Else 0 End
1
drop table t1;
create table t1m (a int) engine=myisam;
create table t1i (a int) engine=innodb;
create table t2m (a int) engine=myisam;
create table t2i (a int) engine=innodb;
insert into t2m values (5);
insert into t2i values (5);
select min(a) from t1m;
min(a)
NULL
select min(7) from t1m;
min(7)
NULL
select min(7) from DUAL;
min(7)
7
explain select min(7) from t2m join t1m;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
select min(7) from t2m join t1m;
min(7)
NULL
select max(a) from t1m;
max(a)
NULL
select max(7) from t1m;
max(7)
NULL
select max(7) from DUAL;
max(7)
7
explain select max(7) from t2m join t1m;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
select max(7) from t2m join t1m;
max(7)
NULL
select 1, min(a) from t1m where a=99;
1	min(a)
1	NULL
select 1, min(a) from t1m where 1=99;
1	min(a)
1	NULL
select 1, min(1) from t1m where a=99;
1	min(1)
1	NULL
select 1, min(1) from t1m where 1=99;
1	min(1)
1	NULL
select 1, max(a) from t1m where a=99;
1	max(a)
1	NULL
select 1, max(a) from t1m where 1=99;
1	max(a)
1	NULL
select 1, max(1) from t1m where a=99;
1	max(1)
1	NULL
select 1, max(1) from t1m where 1=99;
1	max(1)
1	NULL
select min(a) from t1i;
min(a)
NULL
select min(7) from t1i;
min(7)
NULL
select min(7) from DUAL;
min(7)
7
explain select min(7) from t2i join t1i;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2i	ALL	NULL	NULL	NULL	NULL	1	
1	SIMPLE	t1i	ALL	NULL	NULL	NULL	NULL	1	Using join buffer
select min(7) from t2i join t1i;
min(7)
NULL
select max(a) from t1i;
max(a)
NULL
select max(7) from t1i;
max(7)
NULL
select max(7) from DUAL;
max(7)
7
explain select max(7) from t2i join t1i;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2i	ALL	NULL	NULL	NULL	NULL	1	
1	SIMPLE	t1i	ALL	NULL	NULL	NULL	NULL	1	Using join buffer
select max(7) from t2i join t1i;
max(7)
NULL
select 1, min(a) from t1i where a=99;
1	min(a)
1	NULL
select 1, min(a) from t1i where 1=99;
1	min(a)
1	NULL
select 1, min(1) from t1i where a=99;
1	min(1)
1	NULL
select 1, min(1) from t1i where 1=99;
1	min(1)
1	NULL
select 1, max(a) from t1i where a=99;
1	max(a)
1	NULL
select 1, max(a) from t1i where 1=99;
1	max(a)
1	NULL
select 1, max(1) from t1i where a=99;
1	max(1)
1	NULL
select 1, max(1) from t1i where 1=99;
1	max(1)
1	NULL
explain select count(*), min(7), max(7) from t1m, t1i;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1m	system	NULL	NULL	NULL	NULL	0	const row not found
1	SIMPLE	t1i	ALL	NULL	NULL	NULL	NULL	1	
select count(*), min(7), max(7) from t1m, t1i;
count(*)	min(7)	max(7)
0	NULL	NULL
explain select count(*), min(7), max(7) from t1m, t2i;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1m	system	NULL	NULL	NULL	NULL	0	const row not found
1	SIMPLE	t2i	ALL	NULL	NULL	NULL	NULL	1	
select count(*), min(7), max(7) from t1m, t2i;
count(*)	min(7)	max(7)
0	NULL	NULL
explain select count(*), min(7), max(7) from t2m, t1i;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2m	system	NULL	NULL	NULL	NULL	1	
1	SIMPLE	t1i	ALL	NULL	NULL	NULL	NULL	1	
select count(*), min(7), max(7) from t2m, t1i;
count(*)	min(7)	max(7)
0	NULL	NULL
drop table t1m, t1i, t2m, t2i;