mirror of
				https://github.com/MariaDB/server.git
				synced 2025-10-30 04:26:45 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			239 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			239 lines
		
	
	
		
			9.5 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	Truncated 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(1997,1);
 | |
| makedate(1997,1)
 | |
| 1997-01-01
 | |
| select makedate(1997,0);
 | |
| makedate(1997,0)
 | |
| NULL
 | |
| 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")
 | |
| 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	Truncated 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	Truncated 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	NO		0000-00-00	
 | |
| f2	datetime	YES		NULL	
 | |
| f3	time	YES		NULL	
 | |
| f4	time	NO		00:00:00	
 | |
| f5	time	NO		00:00:00	
 | |
| f6	time	NO		00:00:00	
 | |
| 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
 | |
| 26305:01:02	22:58:58	-22:58:58	NULL
 | |
| -26305:01:02	-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
 | |
| 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
 | 
