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
|
** Setup **
SET @session_time_zone = @@SESSION.time_zone;
SET @global_time_zone = @@GLOBAL.time_zone;
CREATE TABLE t1 (a datetime);
CREATE TABLE t2 (a timestamp);
'#-----------------------------FN_DYNVARS_177_01--------------------#'
SET @@time_zone = DEFAULT;
SELECT @@time_zone;
@@time_zone
SYSTEM
SYSTEM Expected
'#-----------------------------FN_DYNVARS_177_02-------------------#'
SET @@time_zone = '+05:00';
SELECT @@time_zone;
@@time_zone
+05:00
+05:00 Expected
SET @@time_zone = '-01:00';
SELECT @@time_zone;
@@time_zone
-01:00
-01:00 Expected
SET @@time_zone = '+00:00';
SELECT @@time_zone;
@@time_zone
+00:00
+00:00 Expected
SET @@time_zone = '-00:00';
SELECT @@time_zone;
@@time_zone
+00:00
-00:00 Expected
'#-----------------------------FN_DYNVARS_177_03----------------#'
SET @@time_zone = '+00:00';
INSERT INTO t1 VALUES('2008-03-05 16:28:00');
INSERT INTO t1 VALUES('1970-01-01 00:05:00'),('1970-01-01 01:05:00');
INSERT INTO t2 VALUES(20080305162800);
INSERT INTO t2 VALUES(19730101235900);
INSERT INTO t2 VALUES('1970-01-01 00:05:00'),('1970-01-01 01:05:00');
INSERT INTO t2 VALUES(19700101000500);
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204734480
1970-01-01 00:05:00 300
1970-01-01 01:05:00 3900
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204734480
1973-01-01 23:59:00 94780740
1970-01-01 00:05:00 300
1970-01-01 01:05:00 3900
1970-01-01 00:05:00 300
SET @@time_zone = 'MET';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204730880
1970-01-01 00:05:00 NULL
1970-01-01 01:05:00 300
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 17:28:00 1204734480
1973-01-02 00:59:00 94780740
1970-01-01 01:05:00 300
1970-01-01 02:05:00 3900
1970-01-01 01:05:00 300
SET @@time_zone = '+05:00';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204716480
1970-01-01 00:05:00 NULL
1970-01-01 01:05:00 NULL
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 21:28:00 1204734480
1973-01-02 04:59:00 94780740
1970-01-01 05:05:00 300
1970-01-01 06:05:00 3900
1970-01-01 05:05:00 300
SET @@time_zone = '+06:00';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204712880
1970-01-01 00:05:00 NULL
1970-01-01 01:05:00 NULL
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 22:28:00 1204734480
1973-01-02 05:59:00 94780740
1970-01-01 06:05:00 300
1970-01-01 07:05:00 3900
1970-01-01 06:05:00 300
SET @@time_zone = '+01:00';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204730880
1970-01-01 00:05:00 NULL
1970-01-01 01:05:00 300
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 17:28:00 1204734480
1973-01-02 00:59:00 94780740
1970-01-01 01:05:00 300
1970-01-01 02:05:00 3900
1970-01-01 01:05:00 300
SET @@time_zone = '+02:00';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204727280
1970-01-01 00:05:00 NULL
1970-01-01 01:05:00 NULL
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 18:28:00 1204734480
1973-01-02 01:59:00 94780740
1970-01-01 02:05:00 300
1970-01-01 03:05:00 3900
1970-01-01 02:05:00 300
SET @@time_zone = '+00:00';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204734480
1970-01-01 00:05:00 300
1970-01-01 01:05:00 3900
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204734480
1973-01-01 23:59:00 94780740
1970-01-01 00:05:00 300
1970-01-01 01:05:00 3900
1970-01-01 00:05:00 300
SET @@time_zone = '+06:00';
SELECT a,UNIX_TIMESTAMP(a) FROM t1;
a UNIX_TIMESTAMP(a)
2008-03-05 16:28:00 1204712880
1970-01-01 00:05:00 NULL
1970-01-01 01:05:00 NULL
SELECT a,UNIX_TIMESTAMP(a) FROM t2;
a UNIX_TIMESTAMP(a)
2008-03-05 22:28:00 1204734480
1973-01-02 05:59:00 94780740
1970-01-01 06:05:00 300
1970-01-01 07:05:00 3900
1970-01-01 06:05:00 300
Potential Feature: upon recovery of timezone,
the original value of the timestamp should be recovered.
'#-----------------------------FN_DYNVARS_177_04--------------------#'
SET @@time_zone = '6';
ERROR HY000: Unknown or incorrect time zone: '6'
'#-----------------------------FN_DYNVARS_177_05---------------#'
SET GLOBAL time_zone = 'SYSTEM';
connect con_int1,localhost,root,,;
connection con_int1;
SELECT @@SESSION.time_zone;
@@SESSION.time_zone
SYSTEM
SYSTEM Expected
SET SESSION time_zone = '+05:00';
connect con_int2,localhost,root,,;
connection con_int2;
SELECT @@SESSION.time_zone;
@@SESSION.time_zone
SYSTEM
SYSTEM Expected
SET SESSION time_zone = '-10:00';
connection con_int2;
SELECT @@SESSION.time_zone;
@@SESSION.time_zone
-10:00
-10:00 Expected
connection con_int1;
SELECT @@SESSION.time_zone;
@@SESSION.time_zone
+05:00
+05:00 Expected
SELECT @@GLOBAL.time_zone;
@@GLOBAL.time_zone
SYSTEM
SYSTEM Expected
connection default;
disconnect con_int1;
disconnect con_int2;
SET @@SESSION.time_zone = @session_time_zone;
SET @@GLOBAL.time_zone = @global_time_zone;
DROP TABLE t1;
DROP TABLE t2;
|
