blob: 1e7636e831ea678d49db9b2e19e28c4d7187498d (
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
|
drop table if exists t1;
## Creating new table ##
CREATE TABLE t1
(
id INT NOT NULL auto_increment,
PRIMARY KEY (id),
name varchar(30)
) ENGINE = INNODB;
'#--------------------FN_DYNVARS_003_01-------------------------#'
## Setting variable's value to 0 i.e false ##
SET @@autocommit = 0;
'#--------------------FN_DYNVARS_003_02-------------------------#'
CONNECT test_con1,localhost,root,,;
connection test_con1;
## Checking value of variable after opening new connection ##
SELECT @@autocommit;
@@autocommit
1
## Setting value of variable to zero and inserting some rows ##
SET @@autocommit = 0;
INSERT into t1(name) values('Record_1');
INSERT into t1(name) values('Record_2');
SELECT * from t1;
id name
1 Record_1
2 Record_2
## Creating another connection and verifying records in table ##
CONNECT test_con2,localhost,root,,;
connection test_con2;
SELECT * from t1;
id name
'#--------------------FN_DYNVARS_003_03-------------------------#'
## Verifying behavior of variable by commiting rows in test_con1 ##
connection test_con1;
SELECT * from t1;
id name
1 Record_1
2 Record_2
COMMIT;
## Now verifying records in table from connection # 02 ##
connection test_con2;
SELECT * from t1;
id name
1 Record_1
2 Record_2
'#--------------------FN_DYNVARS_003_04-------------------------#'
connection test_con1;
SELECT * from t1;
id name
1 Record_1
2 Record_2
## Updating value of first row ##
UPDATE t1 set name = 'Record_12' where name = 'Record_1';
SELECT * from t1;
id name
1 Record_12
2 Record_2
## Connecting to connecting # 02 and verifying effect of update query ##
connection test_con2;
SELECT * from t1;
id name
1 Record_1
2 Record_2
## Now connecting with connection # 01 and using ROLLBACK after it ##
connection test_con1;
ROLLBACK;
SELECT * from t1;
id name
1 Record_1
2 Record_2
'#--------------------FN_DYNVARS_003_05-------------------------#'
connection test_con1;
INSERT into t1(name) values('Record_3');
## Now verifying records in table from connection # 02 and changing value ##
## of autocommit to true ##
connection test_con2;
SELECT * from t1;
id name
1 Record_1
2 Record_2
SET @@autocommit = 1;
INSERT into t1(name) values('Record_4');
INSERT into t1(name) values('Record_5');
SELECT * from t1;
id name
1 Record_1
2 Record_2
4 Record_4
5 Record_5
## Connecting with connection # 01 and inserting few records ##
connection test_con1;
SELECT * from t1;
id name
1 Record_1
2 Record_2
3 Record_3
INSERT into t1(name) values('Record_6');
SELECT * from t1;
id name
1 Record_1
2 Record_2
3 Record_3
6 Record_6
## Now verifying the effect of these new records in second connection ##
connection test_con2;
SELECT * from t1;
id name
1 Record_1
2 Record_2
4 Record_4
5 Record_5
## Commit changes
connection test_con1;
COMMIT;
## Dropping table t1 ##
DROP table t1;
disconnect test_con1;
disconnect test_con2;
|
