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
|
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;
|
