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
|
SET @session_start_value = @@session.sql_big_selects;
SELECT @session_start_value;
@session_start_value
1
'#--------------------FN_DYNVARS_153_01------------------------#'
SET @@session.sql_big_selects = 0;
SET @@session.sql_big_selects = DEFAULT;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
'#---------------------FN_DYNVARS_153_02-------------------------#'
SET sql_big_selects = 1;
SELECT @@sql_big_selects;
@@sql_big_selects
1
SELECT session.sql_big_selects;
ERROR 42S02: Unknown table 'session' in SELECT
SELECT local.sql_big_selects;
ERROR 42S02: Unknown table 'local' in SELECT
SET session sql_big_selects = 0;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
0
'#--------------------FN_DYNVARS_153_03------------------------#'
SET @@session.sql_big_selects = 0;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
0
SET @@session.sql_big_selects = 1;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
'#--------------------FN_DYNVARS_153_04-------------------------#'
SET @@session.sql_big_selects = -1;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of '-1'
SET @@session.sql_big_selects = 2;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of '2'
SET @@session.sql_big_selects = "T";
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'T'
SET @@session.sql_big_selects = "Y";
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'Y'
SET @@session.sql_big_selects = TRE;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'TRE'
SET @@session.sql_big_selects = N;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'N'
SET @@session.sql_big_selects = OF;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'OF'
SET @@session.sql_big_selects = FF;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'FF'
SET @@session.sql_big_selects = '';
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of ''
SET @@session.sql_big_selects = NO;
ERROR 42000: Variable 'sql_big_selects' can't be set to the value of 'NO'
'#-------------------FN_DYNVARS_153_05----------------------------#'
SET @@global.sql_big_selects = 1-@@global.sql_big_selects;
SELECT @@global.sql_big_selects;
@@global.sql_big_selects
0
SET @@global.sql_big_selects = 1-@@global.sql_big_selects;
'#----------------------FN_DYNVARS_153_06------------------------#'
SELECT count(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='sql_big_selects';
count(VARIABLE_VALUE)
1
'#----------------------FN_DYNVARS_153_07------------------------#'
SELECT IF(@@session.sql_big_selects, "ON", "OFF") = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='sql_big_selects';
IF(@@session.sql_big_selects, "ON", "OFF") = VARIABLE_VALUE
1
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='sql_big_selects';
VARIABLE_VALUE
ON
'#---------------------FN_DYNVARS_153_08-------------------------#'
SET @@session.sql_big_selects = OFF;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
0
SET @@session.sql_big_selects = ON;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
'#---------------------FN_DYNVARS_153_09----------------------#'
SET @@session.sql_big_selects = TRUE;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
SET @@session.sql_big_selects = FALSE;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
0
SET @@session.sql_big_selects = @session_start_value;
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
|
