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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
CREATE TABLE tab1(c1 int,c2 varchar(30), c3 BLOB) ENGINE=InnoDB;
CREATE TABLE tab1u LIKE tab1;
CREATE TABLE tab1d LIKE tab1;
CREATE TABLE tab1i LIKE tab1;
CREATE TABLE tab3(c1 int,c2 varchar(30)) ENGINE=InnoDB;
CREATE TABLE tab4(c1 int,c2 varchar(30)) ENGINE=InnoDB;
CREATE TABLE tab5(c1 int,c2 varchar(30)) ENGINE=InnoDB;
INSERT INTO tab1u VALUES(1,'Testing the wl6658','Testing the wl6658');
INSERT INTO tab1d VALUES(1,'Updated','Updated');
INSERT INTO tab4 VALUES(1,'Test for Update');
INSERT INTO tab5 VALUES(1,'Test for Delete');
CREATE TRIGGER test_trig BEFORE INSERT ON tab1
FOR EACH ROW BEGIN
INSERT INTO tab3 VALUES(1,'Inserted From Trigger');
UPDATE tab4 SET c2='Updated from Trigger' WHERE c1=1;
DELETE FROM tab5;
END |
CREATE TABLE tab2(
id INT NOT NULL,
store_name VARCHAR(30),
parts VARCHAR(30),
store_id INT
) ENGINE=InnoDB
PARTITION BY LIST(store_id) (
PARTITION pNorth VALUES IN (10,20,30),
PARTITION pEast VALUES IN (40,50,60),
PARTITION pWest VALUES IN (70,80,100)
);
SELECT update_time
FROM information_schema.tables WHERE table_name='tab2';
update_time
NULL
CREATE PROCEDURE proc_wl6658()
BEGIN
INSERT INTO tab2 VALUES(1,'ORACLE','NUTT',10);
INSERT INTO tab2 VALUES(2,'HUAWEI','BOLT',40);
COMMIT;
END |
CALL proc_wl6658;
SELECT * FROM tab2 ORDER BY id,store_id;
id store_name parts store_id
1 ORACLE NUTT 10
2 HUAWEI BOLT 40
SELECT COUNT(update_time)
FROM information_schema.tables WHERE table_name='tab2';
COUNT(update_time)
1
TRUNCATE TABLE tab2;
SELECT COUNT(update_time)
FROM information_schema.tables WHERE table_name='tab2';
COUNT(update_time)
1
CREATE TABLE tab7(c1 INT NOT NULL, PRIMARY KEY (c1)) ENGINE=INNODB;
CREATE TABLE tab8(c1 INT PRIMARY KEY,c2 INT,
FOREIGN KEY (c2) REFERENCES tab7(c1) ON DELETE CASCADE )
ENGINE=INNODB;
SELECT table_name,update_time
FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
GROUP BY table_name ORDER BY table_name;
table_name update_time
tab7 NULL
tab8 NULL
INSERT INTO tab7 VALUES(1);
INSERT INTO tab8 VALUES(1,1);
SELECT table_name,COUNT(update_time)
FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
GROUP BY table_name ORDER BY table_name;
table_name COUNT(update_time)
tab7 1
tab8 1
#restart the server
# restart
SELECT table_name,update_time
FROM information_schema.tables
WHERE table_name IN ('tab1','tab2','tab3','tab4','tab5','tab7','tab8')
ORDER BY table_name;
table_name update_time
tab1 NULL
tab2 NULL
tab3 NULL
tab4 NULL
tab5 NULL
tab7 NULL
tab8 NULL
#case1:
BEGIN WORK;
INSERT INTO tab1
VALUES(1,'Testing the wl6658', 'Testing the wl6658');
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1';
update_time
NULL
COMMIT;
SELECT * FROM tab1;
c1 c2 c3
1 Testing the wl6658 Testing the wl6658
SELECT * FROM tab3;
c1 c2
1 Inserted From Trigger
SELECT * FROM tab4;
c1 c2
1 Updated from Trigger
SELECT * FROM tab5;
c1 c2
SELECT table_name,COUNT(update_time)
FROM information_schema.tables
WHERE table_name IN ('tab1','tab3','tab4','tab5')
GROUP BY table_name ORDER BY table_name;
table_name COUNT(update_time)
tab1 1
tab3 1
tab4 1
tab5 1
Testcase with UPDATE stmt and transaction
SELECT * FROM tab1u;
c1 c2 c3
1 Testing the wl6658 Testing the wl6658
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1u';
update_time
NULL
#case2:
START TRANSACTION;
UPDATE tab1u SET c2='Updated',c3='Updated' WHERE c1=1;
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1u';
update_time
NULL
COMMIT;
SELECT * FROM tab1u;
c1 c2 c3
1 Updated Updated
SELECT COUNT(update_time)
FROM information_schema.tables WHERE table_name='tab1u';
COUNT(update_time)
1
SELECT * FROM tab1d;
c1 c2 c3
1 Updated Updated
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1d';
update_time
NULL
#case3:
START TRANSACTION;
DELETE FROM tab1d;
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1d';
update_time
NULL
COMMIT;
SELECT * FROM tab1d;
c1 c2 c3
SELECT COUNT(update_time)
FROM information_schema.tables WHERE table_name='tab1d';
COUNT(update_time)
1
SELECT * FROM tab1i;
c1 c2 c3
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1i';
update_time
NULL
#case4:
START TRANSACTION;
INSERT INTO tab1i
VALUES(1,'Testing the wl6658', 'Testing the wl6658');
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1i';
update_time
NULL
ROLLBACK;
SELECT * FROM tab1i;
c1 c2 c3
SELECT update_time
FROM information_schema.tables WHERE table_name='tab1i';
update_time
NULL
BEGIN WORK;
DELETE FROM tab1i;
SAVEPOINT A;
INSERT INTO tab2 VALUES(1,'Oracle','NUTT',10);
INSERT INTO tab2 VALUES(2,'HUAWEI','BOLT',40);
SAVEPOINT B;
INSERT INTO tab2 VALUES(3,'IBM','NAIL',70);
SAVEPOINT C;
ROLLBACK to A;
SELECT * FROM tab2;
id store_name parts store_id
SELECT update_time
FROM information_schema.tables WHERE table_name='tab2';
update_time
NULL
#execute DDL instead of commit
create table tab6(c1 int);
SELECT update_time
FROM information_schema.tables WHERE table_name='tab2';
update_time
NULL
START TRANSACTION;
DELETE FROM tab7;
ROLLBACK;
SELECT * FROM tab7;
c1
1
SELECT * FROM tab8;
c1 c2
1 1
SELECT table_name,update_time
FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
GROUP BY table_name ORDER BY table_name;
table_name update_time
tab7 NULL
tab8 NULL
DELETE FROM tab7;
SELECT * FROM tab7;
c1
SELECT * FROM tab8;
c1 c2
SELECT table_name,COUNT(update_time)
FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
GROUP BY table_name ORDER BY table_name;
table_name COUNT(update_time)
tab7 1
tab8 1
#cleanup
DROP TRIGGER test_trig;
DROP TABLE tab1,tab1u,tab1d,tab1i,tab2,tab3,tab4,tab5,tab6,tab8,tab7;
DROP PROCEDURE proc_wl6658;
|
