285 lines
11 KiB
Plaintext
285 lines
11 KiB
Plaintext
|
drop table if exists t1, test;
|
||
|
|
select extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123");
|
||
|
|
extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123")
|
||
|
|
2101112000123
|
||
|
|
select extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123");
|
||
|
|
extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123")
|
||
|
|
101112000123
|
||
|
|
select extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123");
|
||
|
|
extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123")
|
||
|
|
1112000123
|
||
|
|
select extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123");
|
||
|
|
extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123")
|
||
|
|
12000123
|
||
|
|
select extract(MICROSECOND FROM "1999-01-02 10:11:12.000123");
|
||
|
|
extract(MICROSECOND FROM "1999-01-02 10:11:12.000123")
|
||
|
|
123
|
||
|
|
select date_format("1997-12-31 23:59:59.000002", "%f");
|
||
|
|
date_format("1997-12-31 23:59:59.000002", "%f")
|
||
|
|
000002
|
||
|
|
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND);
|
||
|
|
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND)
|
||
|
|
2025-05-23 04:40:39.000001
|
||
|
|
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND);
|
||
|
|
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND)
|
||
|
|
1999-02-21 17:40:39.000001
|
||
|
|
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND);
|
||
|
|
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND)
|
||
|
|
1998-01-07 22:41:39.000001
|
||
|
|
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND);
|
||
|
|
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND)
|
||
|
|
1998-01-01 02:46:40.000001
|
||
|
|
select date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND);
|
||
|
|
date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND)
|
||
|
|
1998-01-01 00:00:00.000001
|
||
|
|
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND);
|
||
|
|
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND)
|
||
|
|
1997-12-30 22:58:58.999999
|
||
|
|
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND);
|
||
|
|
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND)
|
||
|
|
1997-12-31 22:58:58.999999
|
||
|
|
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND);
|
||
|
|
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND)
|
||
|
|
1997-12-31 23:58:58.999999
|
||
|
|
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND);
|
||
|
|
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND)
|
||
|
|
1997-12-31 23:59:58.999999
|
||
|
|
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND);
|
||
|
|
date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND)
|
||
|
|
1997-12-31 23:59:59.999999
|
||
|
|
select adddate("1997-12-31 23:59:59.000001", 10);
|
||
|
|
adddate("1997-12-31 23:59:59.000001", 10)
|
||
|
|
1998-01-10 23:59:59.000001
|
||
|
|
select subdate("1997-12-31 23:59:59.000001", 10);
|
||
|
|
subdate("1997-12-31 23:59:59.000001", 10)
|
||
|
|
1997-12-21 23:59:59.000001
|
||
|
|
select datediff("1997-12-31 23:59:59.000001","1997-12-30");
|
||
|
|
datediff("1997-12-31 23:59:59.000001","1997-12-30")
|
||
|
|
1
|
||
|
|
select datediff("1997-11-30 23:59:59.000001","1997-12-31");
|
||
|
|
datediff("1997-11-30 23:59:59.000001","1997-12-31")
|
||
|
|
-31
|
||
|
|
SET @@SQL_MODE="ALLOW_INVALID_DATES";
|
||
|
|
select datediff("1997-11-31 23:59:59.000001","1997-12-31");
|
||
|
|
datediff("1997-11-31 23:59:59.000001","1997-12-31")
|
||
|
|
-30
|
||
|
|
SET @@SQL_MODE="";
|
||
|
|
select datediff("1997-11-31 23:59:59.000001","1997-12-31");
|
||
|
|
datediff("1997-11-31 23:59:59.000001","1997-12-31")
|
||
|
|
NULL
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Incorrect datetime value: '1997-11-31 23:59:59.000001'
|
||
|
|
select datediff("1997-11-30 23:59:59.000001",null);
|
||
|
|
datediff("1997-11-30 23:59:59.000001",null)
|
||
|
|
NULL
|
||
|
|
select weekofyear("1997-11-30 23:59:59.000001");
|
||
|
|
weekofyear("1997-11-30 23:59:59.000001")
|
||
|
|
48
|
||
|
|
select makedate(03,1);
|
||
|
|
makedate(03,1)
|
||
|
|
2003-01-01
|
||
|
|
select makedate('0003',1);
|
||
|
|
makedate('0003',1)
|
||
|
|
2003-01-01
|
||
|
|
select makedate(1997,1);
|
||
|
|
makedate(1997,1)
|
||
|
|
1997-01-01
|
||
|
|
select makedate(1997,0);
|
||
|
|
makedate(1997,0)
|
||
|
|
NULL
|
||
|
|
select makedate(9999,365);
|
||
|
|
makedate(9999,365)
|
||
|
|
9999-12-31
|
||
|
|
select makedate(9999,366);
|
||
|
|
makedate(9999,366)
|
||
|
|
NULL
|
||
|
|
select makedate(100,1);
|
||
|
|
makedate(100,1)
|
||
|
|
0100-01-01
|
||
|
|
select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
|
||
|
|
addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002")
|
||
|
|
1998-01-02 01:01:01.000001
|
||
|
|
select subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002");
|
||
|
|
subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002")
|
||
|
|
1997-12-30 22:58:57.999999
|
||
|
|
select addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
|
||
|
|
addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
|
||
|
|
NULL
|
||
|
|
select subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
|
||
|
|
subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
|
||
|
|
NULL
|
||
|
|
select subtime("01:00:00.999999", "02:00:00.999998");
|
||
|
|
subtime("01:00:00.999999", "02:00:00.999998")
|
||
|
|
-00:59:59.999999
|
||
|
|
select subtime("02:01:01.999999", "01:01:01.999999");
|
||
|
|
subtime("02:01:01.999999", "01:01:01.999999")
|
||
|
|
01:00:00.000000
|
||
|
|
select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
|
||
|
|
timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002")
|
||
|
|
838:59:59
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Truncated incorrect time value: '8807:59:59.999999'
|
||
|
|
select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
|
||
|
|
timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002")
|
||
|
|
46:58:57.999999
|
||
|
|
select timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002");
|
||
|
|
timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002")
|
||
|
|
-24:00:00.000001
|
||
|
|
select timediff("1997-12-31 23:59:59.000001","23:59:59.000001");
|
||
|
|
timediff("1997-12-31 23:59:59.000001","23:59:59.000001")
|
||
|
|
NULL
|
||
|
|
select timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001");
|
||
|
|
timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001")
|
||
|
|
-00:00:00.000001
|
||
|
|
select timediff("2005-01-11 15:48:49.999999", "2005-01-11 15:48:50");
|
||
|
|
timediff("2005-01-11 15:48:49.999999", "2005-01-11 15:48:50")
|
||
|
|
-00:00:00.000001
|
||
|
|
select maketime(10,11,12);
|
||
|
|
maketime(10,11,12)
|
||
|
|
10:11:12
|
||
|
|
select maketime(25,11,12);
|
||
|
|
maketime(25,11,12)
|
||
|
|
25:11:12
|
||
|
|
select maketime(-25,11,12);
|
||
|
|
maketime(-25,11,12)
|
||
|
|
-25:11:12
|
||
|
|
select timestamp("2001-12-01", "01:01:01.999999");
|
||
|
|
timestamp("2001-12-01", "01:01:01.999999")
|
||
|
|
2001-12-01 01:01:01.999999
|
||
|
|
select timestamp("2001-13-01", "01:01:01.000001");
|
||
|
|
timestamp("2001-13-01", "01:01:01.000001")
|
||
|
|
NULL
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Incorrect datetime value: '2001-13-01'
|
||
|
|
select timestamp("2001-12-01", "25:01:01");
|
||
|
|
timestamp("2001-12-01", "25:01:01")
|
||
|
|
2001-12-02 01:01:01
|
||
|
|
select timestamp("2001-12-01 01:01:01.000100");
|
||
|
|
timestamp("2001-12-01 01:01:01.000100")
|
||
|
|
2001-12-01 01:01:01.000100
|
||
|
|
select timestamp("2001-12-01");
|
||
|
|
timestamp("2001-12-01")
|
||
|
|
2001-12-01 00:00:00
|
||
|
|
select day("1997-12-31 23:59:59.000001");
|
||
|
|
day("1997-12-31 23:59:59.000001")
|
||
|
|
31
|
||
|
|
select date("1997-12-31 23:59:59.000001");
|
||
|
|
date("1997-12-31 23:59:59.000001")
|
||
|
|
1997-12-31
|
||
|
|
select date("1997-13-31 23:59:59.000001");
|
||
|
|
date("1997-13-31 23:59:59.000001")
|
||
|
|
NULL
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Incorrect datetime value: '1997-13-31 23:59:59.000001'
|
||
|
|
select time("1997-12-31 23:59:59.000001");
|
||
|
|
time("1997-12-31 23:59:59.000001")
|
||
|
|
23:59:59.000001
|
||
|
|
select time("1997-12-31 25:59:59.000001");
|
||
|
|
time("1997-12-31 25:59:59.000001")
|
||
|
|
NULL
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Truncated incorrect time value: '1997-12-31 25:59:59.000001'
|
||
|
|
select microsecond("1997-12-31 23:59:59.000001");
|
||
|
|
microsecond("1997-12-31 23:59:59.000001")
|
||
|
|
1
|
||
|
|
create table t1
|
||
|
|
select makedate(1997,1) as f1,
|
||
|
|
addtime(cast("1997-12-31 23:59:59.000001" as datetime), "1 1:1:1.000002") as f2,
|
||
|
|
addtime(cast("23:59:59.999999" as time) , "1 1:1:1.000002") as f3,
|
||
|
|
timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") as f4,
|
||
|
|
timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002") as f5,
|
||
|
|
maketime(10,11,12) as f6,
|
||
|
|
timestamp(cast("2001-12-01" as date), "01:01:01") as f7,
|
||
|
|
date("1997-12-31 23:59:59.000001") as f8,
|
||
|
|
time("1997-12-31 23:59:59.000001") as f9;
|
||
|
|
describe t1;
|
||
|
|
Field Type Null Key Default Extra
|
||
|
|
f1 date YES NULL
|
||
|
|
f2 datetime YES NULL
|
||
|
|
f3 time YES NULL
|
||
|
|
f4 time YES NULL
|
||
|
|
f5 time YES NULL
|
||
|
|
f6 time YES NULL
|
||
|
|
f7 datetime YES NULL
|
||
|
|
f8 date YES NULL
|
||
|
|
f9 time YES NULL
|
||
|
|
select * from t1;
|
||
|
|
f1 f2 f3 f4 f5 f6 f7 f8 f9
|
||
|
|
1997-01-01 1998-01-02 01:01:00 49:01:01 46:58:57 -24:00:00 10:11:12 2001-12-01 01:01:01 1997-12-31 23:59:59
|
||
|
|
create table test(t1 datetime, t2 time, t3 time, t4 datetime);
|
||
|
|
insert into test values
|
||
|
|
('2001-01-01 01:01:01', '01:01:01', null, '2001-02-01 01:01:01'),
|
||
|
|
('2001-01-01 01:01:01', '-01:01:01', '-23:59:59', "1997-12-31 23:59:59.000001"),
|
||
|
|
('1997-12-31 23:59:59.000001', '-23:59:59', '-01:01:01', '2001-01-01 01:01:01'),
|
||
|
|
('2001-01-01 01:01:01', '01:01:01', '-1 01:01:01', null),
|
||
|
|
('2001-01-01 01:01:01', '-01:01:01', '1 01:01:01', '2001-01-01 01:01:01'),
|
||
|
|
('2001-01-01 01:01:01', null, '-1 01:01:01', null),
|
||
|
|
(null, null, null, null),
|
||
|
|
('2001-01-01 01:01:01', '01:01:01', '1 01:01:01', '2001-01-01 01:01:01');
|
||
|
|
SELECT ADDTIME(t1,t2) As ttt, ADDTIME(t2, t3) As qqq from test;
|
||
|
|
ttt qqq
|
||
|
|
2001-01-01 02:02:02 NULL
|
||
|
|
2001-01-01 00:00:00 -25:01:00
|
||
|
|
1997-12-31 00:00:00 -25:01:00
|
||
|
|
2001-01-01 02:02:02 -24:00:00
|
||
|
|
2001-01-01 00:00:00 24:00:00
|
||
|
|
NULL NULL
|
||
|
|
NULL NULL
|
||
|
|
2001-01-01 02:02:02 26:02:02
|
||
|
|
SELECT TIMEDIFF(t1, t4) As ttt, TIMEDIFF(t2, t3) As qqq,
|
||
|
|
TIMEDIFF(t3, t2) As eee, TIMEDIFF(t2, t4) As rrr from test;
|
||
|
|
ttt qqq eee rrr
|
||
|
|
-744:00:00 NULL NULL NULL
|
||
|
|
838:59:59 22:58:58 -22:58:58 NULL
|
||
|
|
-838:59:59 -22:58:58 22:58:58 NULL
|
||
|
|
NULL 26:02:02 -26:02:02 NULL
|
||
|
|
00:00:00 -26:02:02 26:02:02 NULL
|
||
|
|
NULL NULL NULL NULL
|
||
|
|
NULL NULL NULL NULL
|
||
|
|
00:00:00 -24:00:00 24:00:00 NULL
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Truncated incorrect time value: '26305:01:02'
|
||
|
|
Warning 1292 Truncated incorrect time value: '-26305:01:02'
|
||
|
|
drop table t1, test;
|
||
|
|
select addtime("-01:01:01.01", "-23:59:59.1") as a;
|
||
|
|
a
|
||
|
|
-25:01:00.110000
|
||
|
|
select microsecond("1997-12-31 23:59:59.01") as a;
|
||
|
|
a
|
||
|
|
10000
|
||
|
|
select microsecond(19971231235959.01) as a;
|
||
|
|
a
|
||
|
|
10000
|
||
|
|
select date_add("1997-12-31",INTERVAL "10.09" SECOND_MICROSECOND) as a;
|
||
|
|
a
|
||
|
|
1997-12-31 00:00:10.090000
|
||
|
|
select str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S.%f");
|
||
|
|
str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S.%f")
|
||
|
|
2003-01-02 10:11:12.001200
|
||
|
|
select timediff('2008-09-29 20:10:10','2008-09-30 20:10:10'),time('00:00:00');
|
||
|
|
timediff('2008-09-29 20:10:10','2008-09-30 20:10:10') time('00:00:00')
|
||
|
|
-24:00:00 00:00:00
|
||
|
|
select timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')>time('00:00:00');
|
||
|
|
timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')>time('00:00:00')
|
||
|
|
0
|
||
|
|
select timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')<time('00:00:00');
|
||
|
|
timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')<time('00:00:00')
|
||
|
|
1
|
||
|
|
SELECT CAST(time('-73:42:12') AS DECIMAL);
|
||
|
|
CAST(time('-73:42:12') AS DECIMAL)
|
||
|
|
-734212
|
||
|
|
SELECT TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1Eq,
|
||
|
|
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq1,
|
||
|
|
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq2,
|
||
|
|
TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))= '00:00:00' AS 2Eq,
|
||
|
|
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))= '00:00:00' AS 2NEq1,
|
||
|
|
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))= '00:00:00' AS 2NEq2,
|
||
|
|
TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME(0) AS 3Eq,
|
||
|
|
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME(0) AS 3NEq1,
|
||
|
|
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME(0) AS 3NEq2,
|
||
|
|
TIME(0) AS Time0, TIME('00:00:00') AS Time00, '00:00:00' AS Literal0000,
|
||
|
|
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')),
|
||
|
|
TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'));
|
||
|
|
1Eq 1NEq1 1NEq2 2Eq 2NEq1 2NEq2 3Eq 3NEq1 3NEq2 Time0 Time00 Literal0000 TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')) TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'))
|
||
|
|
1 0 0 1 0 0 1 0 0 00:00:00 00:00:00 00:00:00 00:59:00 -00:59:00
|