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
|
drop table if exists t1,t2;
create table t1 (a int, b varchar(200), c text not null) checksum=1;
create table t2 (a int, b varchar(200), c text not null) checksum=0;
insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, "");
insert t2 select * from t1;
checksum table t1, t2;
Table Checksum
test.t1 2948697075
test.t2 2948697075
checksum table t1, t2 quick;
Table Checksum
test.t1 NULL
test.t2 NULL
checksum table t1, t2 extended;
Table Checksum
test.t1 2948697075
test.t2 2948697075
drop table t1,t2;
SHOW PROCESSLIST;
Id User Host db Command Time State Info
<Id> root <Host> test Query <Time> <State> SHOW PROCESSLIST
#
# MDEV-5372 Make "CAST(time_expr AS DATETIME)" compatible with the SQL Standard)
#
set @@old_mode=zero_date_time_cast;
SELECT CAST(TIME'-10:30:30' AS DATETIME);
CAST(TIME'-10:30:30' AS DATETIME)
NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '-10:30:30'
SELECT CAST(TIME'10:20:30' AS DATETIME);
CAST(TIME'10:20:30' AS DATETIME)
0000-00-00 10:20:30
SELECT CAST(TIME'830:20:30' AS DATETIME);
CAST(TIME'830:20:30' AS DATETIME)
0000-01-03 14:20:30
CREATE TABLE t1 (a DATETIME);
INSERT INTO t1 VALUES (TIME'-10:20:30');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES (TIME'10:20:30');
INSERT INTO t1 VALUES (TIME'830:20:30');
SELECT * FROM t1;
a
0000-00-00 00:00:00
0000-00-00 10:20:30
0000-01-03 14:20:30
DROP TABLE t1;
CREATE TABLE t1 (a TIMESTAMP);
INSERT INTO t1 VALUES (TIME'-10:20:30');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES (TIME'10:20:30');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES (TIME'830:20:30');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
SELECT * FROM t1;
a
0000-00-00 00:00:00
0000-00-00 00:00:00
0000-00-00 00:00:00
DROP TABLE t1;
CREATE TABLE t1 (a TIME);
INSERT INTO t1 VALUES (TIME'-10:20:30');
INSERT INTO t1 VALUES (TIME'10:20:30');
INSERT INTO t1 VALUES (TIME'830:20:30');
SELECT a, CAST(a AS DATETIME), TO_DAYS(a) FROM t1;
a CAST(a AS DATETIME) TO_DAYS(a)
-10:20:30 NULL NULL
10:20:30 0000-00-00 10:20:30 NULL
830:20:30 0000-01-03 14:20:30 NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '-10:20:30'
Warning 1264 Out of range value for column 'a' at row 1
Warning 1264 Out of range value for column 'a' at row 2
Warning 1264 Out of range value for column 'a' at row 3
DROP TABLE t1;
SELECT TO_DAYS(TIME'-10:20:30');
TO_DAYS(TIME'-10:20:30')
NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '-10:20:30'
SELECT TO_DAYS(TIME'10:20:30');
TO_DAYS(TIME'10:20:30')
NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '10:20:30'
SELECT TO_DAYS(TIME'830:20:30');
TO_DAYS(TIME'830:20:30')
3
CREATE TABLE t1 (a DATETIME, b TIME);
INSERT INTO t1 VALUES (NULL, '00:20:12');
INSERT INTO t1 VALUES (NULL, '-00:20:12');
SELECT IF(1,ADDDATE(IFNULL(a,b),0),1) FROM t1;
IF(1,ADDDATE(IFNULL(a,b),0),1)
NULL
NULL
Warnings:
Warning 1292 Incorrect datetime value: '0000-00-00 00:20:12'
Warning 1292 Truncated incorrect datetime value: '-00:20:12'
DROP TABLE t1;
#
# MDEV-6649 Different warnings for TIME and TIME(N) when @@old_mode=zero_date_time_cast
#
SET @@global.mysql56_temporal_format=true;
SET @@old_mode=zero_date_time_cast;
CREATE TABLE t1 (a TIME,b TIME(1));
INSERT INTO t1 VALUES (TIME'830:20:30',TIME'830:20:30');
SELECT TO_DAYS(a), TO_DAYS(b) FROM t1;
TO_DAYS(a) TO_DAYS(b)
NULL NULL
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
Warning 1264 Out of range value for column 'b' at row 1
DROP TABLE t1;
SET @@global.mysql56_temporal_format=false;
SET @@old_mode=zero_date_time_cast;
CREATE TABLE t1 (a TIME,b TIME(1));
INSERT INTO t1 VALUES (TIME'830:20:30',TIME'830:20:30');
SELECT TO_DAYS(a), TO_DAYS(b) FROM t1;
TO_DAYS(a) TO_DAYS(b)
NULL NULL
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
Warning 1264 Out of range value for column 'b' at row 1
DROP TABLE t1;
SET @@global.mysql56_temporal_format=DEFAULT;
set time_zone='Europe/Moscow';
set global mysql56_temporal_format=false;
create table t1 (a timestamp);
set timestamp=1288477526;
insert t1 values (null);
set timestamp=1288481126;
insert t1 values (null);
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
set global mysql56_temporal_format=true;
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
alter table t1 modify a timestamp;
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
drop table t1;
set global mysql56_temporal_format=false;
create table t1 (a timestamp);
set timestamp=1288477526;
insert t1 values (null);
set timestamp=1288481126;
insert t1 values (null);
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
set global mysql56_temporal_format=true;
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
create table t2 (a timestamp);
insert t2 select a from t1;
select a, unix_timestamp(a) from t2;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
drop table t1, t2;
set time_zone=DEFAULT;
|
