mirror of
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6d4224a31c
no_error handling for select (used by INSERT ... SELECT) still needs to be fixed, but I will do that in a separate commit
1673 lines
67 KiB
Text
1673 lines
67 KiB
Text
drop table if exists t1,t2,t3;
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set time_zone="+03:00";
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select from_days(to_days("960101")),to_days(960201)-to_days("19960101"),to_days(date_add(curdate(), interval 1 day))-to_days(curdate()),weekday("1997-11-29");
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from_days(to_days("960101")) to_days(960201)-to_days("19960101") to_days(date_add(curdate(), interval 1 day))-to_days(curdate()) weekday("1997-11-29")
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1996-01-01 31 1 5
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select period_add("9602",-12),period_diff(199505,"9404") ;
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period_add("9602",-12) period_diff(199505,"9404")
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199502 13
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select now()-now(),weekday(curdate())-weekday(now()),unix_timestamp()-unix_timestamp(now());
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now()-now() weekday(curdate())-weekday(now()) unix_timestamp()-unix_timestamp(now())
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0 0 0
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select from_unixtime(unix_timestamp("1994-03-02 10:11:12")),from_unixtime(unix_timestamp("1994-03-02 10:11:12"),"%Y-%m-%d %h:%i:%s"),from_unixtime(unix_timestamp("1994-03-02 10:11:12"))+0;
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from_unixtime(unix_timestamp("1994-03-02 10:11:12")) from_unixtime(unix_timestamp("1994-03-02 10:11:12"),"%Y-%m-%d %h:%i:%s") from_unixtime(unix_timestamp("1994-03-02 10:11:12"))+0
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1994-03-02 10:11:12.000000 1994-03-02 10:11:12 19940302101112.000000
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select sec_to_time(9001),sec_to_time(9001)+0,time_to_sec("15:12:22"),
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sec_to_time(time_to_sec("0:30:47")/6.21);
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sec_to_time(9001) sec_to_time(9001)+0 time_to_sec("15:12:22") sec_to_time(time_to_sec("0:30:47")/6.21)
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02:30:01 23001 54742.000000 00:04:57.423510
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select sec_to_time(9001.1), time_to_sec('15:12:22.123456'), time_to_sec(15.5566778899);
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sec_to_time(9001.1) time_to_sec('15:12:22.123456') time_to_sec(15.5566778899)
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02:30:01.1 54742.123456 15.556677
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select sec_to_time(time_to_sec('-838:59:59'));
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sec_to_time(time_to_sec('-838:59:59'))
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-838:59:59.000000
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select sec_to_time('9001.1'), sec_to_time('1234567890123.123');
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sec_to_time('9001.1') sec_to_time('1234567890123.123')
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02:30:01.100000 838:59:59.999999
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Warnings:
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Warning 1292 Truncated incorrect time value: '1234567890123.123'
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select sec_to_time(-9001.1), sec_to_time(-9001.1) / 1,
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sec_to_time(-9001.1) / 1e0, sec_to_time(-9001) div 1;
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sec_to_time(-9001.1) sec_to_time(-9001.1) / 1 sec_to_time(-9001.1) / 1e0 sec_to_time(-9001) div 1
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-02:30:01.1 -23001.10000 -23001.1 -23001
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select sec_to_time(90011e-1), sec_to_time(1234567890123e30);
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sec_to_time(90011e-1) sec_to_time(1234567890123e30)
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02:30:01.100000 838:59:59.999999
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Warnings:
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Warning 1292 Truncated incorrect time value: '1.234567890123e+42'
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select sec_to_time(1234567890123), sec_to_time('99999999999999999999999999999');
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sec_to_time(1234567890123) sec_to_time('99999999999999999999999999999')
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838:59:59 838:59:59.999999
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Warnings:
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Warning 1292 Truncated incorrect time value: '1234567890123'
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Warning 1292 Truncated incorrect time value: '99999999999999999999999999999'
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select now()-curdate()*1000000-curtime();
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now()-curdate()*1000000-curtime()
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0
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select strcmp(current_timestamp(),concat(current_date()," ",current_time()));
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strcmp(current_timestamp(),concat(current_date()," ",current_time()))
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0
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select strcmp(localtime(),concat(current_date()," ",current_time()));
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strcmp(localtime(),concat(current_date()," ",current_time()))
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0
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select strcmp(localtimestamp(),concat(current_date()," ",current_time()));
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strcmp(localtimestamp(),concat(current_date()," ",current_time()))
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0
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select date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w");
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date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")
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January Thursday 2nd 1997 97 01 02 03 04 05 4
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select date_format("1997-01-02", concat("%M %W %D ","%Y %y %m %d %h %i %s %w"));
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date_format("1997-01-02", concat("%M %W %D ","%Y %y %m %d %h %i %s %w"))
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January Thursday 2nd 1997 97 01 02 12 00 00 4
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select dayofmonth("1997-01-02"),dayofmonth(19970323);
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dayofmonth("1997-01-02") dayofmonth(19970323)
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2 23
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select month("1997-01-02"),year("98-02-03"),dayofyear("1997-12-31");
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month("1997-01-02") year("98-02-03") dayofyear("1997-12-31")
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1 1998 365
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select month("2001-02-00"),year("2001-00-00");
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month("2001-02-00") year("2001-00-00")
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2 2001
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select DAYOFYEAR("1997-03-03"), WEEK("1998-03-03"), QUARTER(980303);
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DAYOFYEAR("1997-03-03") WEEK("1998-03-03") QUARTER(980303)
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62 9 1
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select HOUR("1997-03-03 23:03:22"), MINUTE("23:03:22"), SECOND(230322);
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HOUR("1997-03-03 23:03:22") MINUTE("23:03:22") SECOND(230322)
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23 3 22
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select TIME(230322), TIME(230322.33), TIME("230322.33");
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TIME(230322) TIME(230322.33) TIME("230322.33")
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23:03:22 23:03:22.33 23:03:22.330000
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select week(19980101),week(19970101),week(19980101,1),week(19970101,1);
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week(19980101) week(19970101) week(19980101,1) week(19970101,1)
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0 0 1 1
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select week(19981231),week(19971231),week(19981231,1),week(19971231,1);
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week(19981231) week(19971231) week(19981231,1) week(19971231,1)
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52 52 53 53
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select week(19950101),week(19950101,1);
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week(19950101) week(19950101,1)
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1 0
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select yearweek('1981-12-31',1),yearweek('1982-01-01',1),yearweek('1982-12-31',1),yearweek('1983-01-01',1);
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yearweek('1981-12-31',1) yearweek('1982-01-01',1) yearweek('1982-12-31',1) yearweek('1983-01-01',1)
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198153 198153 198252 198252
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select yearweek('1987-01-01',1),yearweek('1987-01-01');
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yearweek('1987-01-01',1) yearweek('1987-01-01')
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198701 198652
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select week("2000-01-01",0) as '2000', week("2001-01-01",0) as '2001', week("2002-01-01",0) as '2002',week("2003-01-01",0) as '2003', week("2004-01-01",0) as '2004', week("2005-01-01",0) as '2005', week("2006-01-01",0) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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0 0 0 0 0 0 1
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select week("2000-01-06",0) as '2000', week("2001-01-06",0) as '2001', week("2002-01-06",0) as '2002',week("2003-01-06",0) as '2003', week("2004-01-06",0) as '2004', week("2005-01-06",0) as '2005', week("2006-01-06",0) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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1 0 1 1 1 1 1
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select week("2000-01-01",1) as '2000', week("2001-01-01",1) as '2001', week("2002-01-01",1) as '2002',week("2003-01-01",1) as '2003', week("2004-01-01",1) as '2004', week("2005-01-01",1) as '2005', week("2006-01-01",1) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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0 1 1 1 1 0 0
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select week("2000-01-06",1) as '2000', week("2001-01-06",1) as '2001', week("2002-01-06",1) as '2002',week("2003-01-06",1) as '2003', week("2004-01-06",1) as '2004', week("2005-01-06",1) as '2005', week("2006-01-06",1) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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1 1 1 2 2 1 1
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select yearweek("2000-01-01",0) as '2000', yearweek("2001-01-01",0) as '2001', yearweek("2002-01-01",0) as '2002',yearweek("2003-01-01",0) as '2003', yearweek("2004-01-01",0) as '2004', yearweek("2005-01-01",0) as '2005', yearweek("2006-01-01",0) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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199952 200053 200152 200252 200352 200452 200601
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select yearweek("2000-01-06",0) as '2000', yearweek("2001-01-06",0) as '2001', yearweek("2002-01-06",0) as '2002',yearweek("2003-01-06",0) as '2003', yearweek("2004-01-06",0) as '2004', yearweek("2005-01-06",0) as '2005', yearweek("2006-01-06",0) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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200001 200053 200201 200301 200401 200501 200601
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select yearweek("2000-01-01",1) as '2000', yearweek("2001-01-01",1) as '2001', yearweek("2002-01-01",1) as '2002',yearweek("2003-01-01",1) as '2003', yearweek("2004-01-01",1) as '2004', yearweek("2005-01-01",1) as '2005', yearweek("2006-01-01",1) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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199952 200101 200201 200301 200401 200453 200552
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select yearweek("2000-01-06",1) as '2000', yearweek("2001-01-06",1) as '2001', yearweek("2002-01-06",1) as '2002',yearweek("2003-01-06",1) as '2003', yearweek("2004-01-06",1) as '2004', yearweek("2005-01-06",1) as '2005', yearweek("2006-01-06",1) as '2006';
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2000 2001 2002 2003 2004 2005 2006
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200001 200101 200201 200302 200402 200501 200601
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select week(19981231,2), week(19981231,3), week(20000101,2), week(20000101,3);
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week(19981231,2) week(19981231,3) week(20000101,2) week(20000101,3)
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52 53 52 52
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select week(20001231,2),week(20001231,3);
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week(20001231,2) week(20001231,3)
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53 52
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select week(19981231,0) as '0', week(19981231,1) as '1', week(19981231,2) as '2', week(19981231,3) as '3', week(19981231,4) as '4', week(19981231,5) as '5', week(19981231,6) as '6', week(19981231,7) as '7';
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0 1 2 3 4 5 6 7
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52 53 52 53 52 52 52 52
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select week(20000101,0) as '0', week(20000101,1) as '1', week(20000101,2) as '2', week(20000101,3) as '3', week(20000101,4) as '4', week(20000101,5) as '5', week(20000101,6) as '6', week(20000101,7) as '7';
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0 1 2 3 4 5 6 7
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0 0 52 52 0 0 52 52
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select week(20000106,0) as '0', week(20000106,1) as '1', week(20000106,2) as '2', week(20000106,3) as '3', week(20000106,4) as '4', week(20000106,5) as '5', week(20000106,6) as '6', week(20000106,7) as '7';
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0 1 2 3 4 5 6 7
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1 1 1 1 1 1 1 1
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select week(20001231,0) as '0', week(20001231,1) as '1', week(20001231,2) as '2', week(20001231,3) as '3', week(20001231,4) as '4', week(20001231,5) as '5', week(20001231,6) as '6', week(20001231,7) as '7';
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0 1 2 3 4 5 6 7
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53 52 53 52 53 52 1 52
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select week(20010101,0) as '0', week(20010101,1) as '1', week(20010101,2) as '2', week(20010101,3) as '3', week(20010101,4) as '4', week(20010101,5) as '5', week(20010101,6) as '6', week(20010101,7) as '7';
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0 1 2 3 4 5 6 7
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0 1 53 1 1 1 1 1
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select yearweek(20001231,0), yearweek(20001231,1), yearweek(20001231,2), yearweek(20001231,3), yearweek(20001231,4), yearweek(20001231,5), yearweek(20001231,6), yearweek(20001231,7);
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yearweek(20001231,0) yearweek(20001231,1) yearweek(20001231,2) yearweek(20001231,3) yearweek(20001231,4) yearweek(20001231,5) yearweek(20001231,6) yearweek(20001231,7)
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200053 200052 200053 200052 200101 200052 200101 200052
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set default_week_format = 6;
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select week(20001231), week(20001231,6);
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week(20001231) week(20001231,6)
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1 1
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set default_week_format = 0;
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set default_week_format = 2;
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select week(20001231),week(20001231,2),week(20001231,0);
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week(20001231) week(20001231,2) week(20001231,0)
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53 53 53
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set default_week_format = 0;
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select date_format('1998-12-31','%x-%v'),date_format('1999-01-01','%x-%v');
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date_format('1998-12-31','%x-%v') date_format('1999-01-01','%x-%v')
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1998-53 1998-53
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select date_format('1999-12-31','%x-%v'),date_format('2000-01-01','%x-%v');
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date_format('1999-12-31','%x-%v') date_format('2000-01-01','%x-%v')
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1999-52 1999-52
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select dayname("1962-03-03"),dayname("1962-03-03")+0;
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dayname("1962-03-03") dayname("1962-03-03")+0
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Saturday 5
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select monthname("1972-03-04"),monthname("1972-03-04")+0;
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monthname("1972-03-04") monthname("1972-03-04")+0
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March 3
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select time_format(000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T'),date_format(19980131000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T');
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time_format(000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T') date_format(19980131000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
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00|12|0|12|00|AM|12:00:00 AM|00|00:00:00 00|12|0|12|00|AM|12:00:00 AM|00|00:00:00
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select time_format(010203,'%H|%I|%k|%l|%i|%p|%r|%S|%T'),date_format(19980131010203,'%H|%I|%k|%l|%i|%p|%r|%S|%T');
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time_format(010203,'%H|%I|%k|%l|%i|%p|%r|%S|%T') date_format(19980131010203,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
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01|01|1|1|02|AM|01:02:03 AM|03|01:02:03 01|01|1|1|02|AM|01:02:03 AM|03|01:02:03
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select time_format(131415,'%H|%I|%k|%l|%i|%p|%r|%S|%T'),date_format(19980131131415,'%H|%I|%k|%l|%i|%p|%r|%S|%T');
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time_format(131415,'%H|%I|%k|%l|%i|%p|%r|%S|%T') date_format(19980131131415,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
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13|01|13|1|14|PM|01:14:15 PM|15|13:14:15 13|01|13|1|14|PM|01:14:15 PM|15|13:14:15
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select time_format(010015,'%H|%I|%k|%l|%i|%p|%r|%S|%T'),date_format(19980131010015,'%H|%I|%k|%l|%i|%p|%r|%S|%T');
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time_format(010015,'%H|%I|%k|%l|%i|%p|%r|%S|%T') date_format(19980131010015,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
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01|01|1|1|00|AM|01:00:15 AM|15|01:00:15 01|01|1|1|00|AM|01:00:15 AM|15|01:00:15
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select date_format(concat('19980131',131415),'%H|%I|%k|%l|%i|%p|%r|%S|%T| %M|%W|%D|%Y|%y|%a|%b|%j|%m|%d|%h|%s|%w');
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date_format(concat('19980131',131415),'%H|%I|%k|%l|%i|%p|%r|%S|%T| %M|%W|%D|%Y|%y|%a|%b|%j|%m|%d|%h|%s|%w')
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13|01|13|1|14|PM|01:14:15 PM|15|13:14:15| January|Saturday|31st|1998|98|Sat|Jan|031|01|31|01|15|6
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select date_format(19980021000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T| %M|%W|%D|%Y|%y|%a|%b|%j|%m|%d|%h|%s|%w');
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date_format(19980021000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T| %M|%W|%D|%Y|%y|%a|%b|%j|%m|%d|%h|%s|%w')
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NULL
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select date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);
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date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND)
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1998-01-01 00:00:00
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select date_add("1997-12-31 23:59:59",INTERVAL 1 MINUTE);
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date_add("1997-12-31 23:59:59",INTERVAL 1 MINUTE)
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1998-01-01 00:00:59
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select date_add("1997-12-31 23:59:59",INTERVAL 1 HOUR);
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date_add("1997-12-31 23:59:59",INTERVAL 1 HOUR)
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1998-01-01 00:59:59
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select date_add("1997-12-31 23:59:59",INTERVAL 1 DAY);
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date_add("1997-12-31 23:59:59",INTERVAL 1 DAY)
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1998-01-01 23:59:59
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select date_add("1997-12-31 23:59:59",INTERVAL 1 MONTH);
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date_add("1997-12-31 23:59:59",INTERVAL 1 MONTH)
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1998-01-31 23:59:59
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select date_add("1997-12-31 23:59:59",INTERVAL 1 YEAR);
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date_add("1997-12-31 23:59:59",INTERVAL 1 YEAR)
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1998-12-31 23:59:59
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select date_add("1997-12-31 23:59:59",INTERVAL "1:1" MINUTE_SECOND);
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date_add("1997-12-31 23:59:59",INTERVAL "1:1" MINUTE_SECOND)
|
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1998-01-01 00:01:00
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select date_add("1997-12-31 23:59:59",INTERVAL "1:1" HOUR_MINUTE);
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date_add("1997-12-31 23:59:59",INTERVAL "1:1" HOUR_MINUTE)
|
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1998-01-01 01:00:59
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select date_add("1997-12-31 23:59:59",INTERVAL "1:1" DAY_HOUR);
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date_add("1997-12-31 23:59:59",INTERVAL "1:1" DAY_HOUR)
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1998-01-02 00:59:59
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select date_add("1997-12-31 23:59:59",INTERVAL "1 1" YEAR_MONTH);
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date_add("1997-12-31 23:59:59",INTERVAL "1 1" YEAR_MONTH)
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1999-01-31 23:59:59
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select date_add("1997-12-31 23:59:59",INTERVAL "1:1:1" HOUR_SECOND);
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date_add("1997-12-31 23:59:59",INTERVAL "1:1:1" HOUR_SECOND)
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1998-01-01 01:01:00
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select date_add("1997-12-31 23:59:59",INTERVAL "1 1:1" DAY_MINUTE);
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date_add("1997-12-31 23:59:59",INTERVAL "1 1:1" DAY_MINUTE)
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1998-01-02 01:00:59
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select date_add("1997-12-31 23:59:59",INTERVAL "1 1:1:1" DAY_SECOND);
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date_add("1997-12-31 23:59:59",INTERVAL "1 1:1:1" DAY_SECOND)
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1998-01-02 01:01:00
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select date_sub("1998-01-01 00:00:00",INTERVAL 1 SECOND);
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date_sub("1998-01-01 00:00:00",INTERVAL 1 SECOND)
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1997-12-31 23:59:59
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select date_sub("1998-01-01 00:00:00",INTERVAL 1 MINUTE);
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date_sub("1998-01-01 00:00:00",INTERVAL 1 MINUTE)
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1997-12-31 23:59:00
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select date_sub("1998-01-01 00:00:00",INTERVAL 1 HOUR);
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date_sub("1998-01-01 00:00:00",INTERVAL 1 HOUR)
|
|
1997-12-31 23:00:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL 1 DAY);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL 1 DAY)
|
|
1997-12-31 00:00:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL 1 MONTH);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL 1 MONTH)
|
|
1997-12-01 00:00:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL 1 YEAR);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL 1 YEAR)
|
|
1997-01-01 00:00:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1:1" MINUTE_SECOND);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1:1" MINUTE_SECOND)
|
|
1997-12-31 23:58:59
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1:1" HOUR_MINUTE);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1:1" HOUR_MINUTE)
|
|
1997-12-31 22:59:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1:1" DAY_HOUR);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1:1" DAY_HOUR)
|
|
1997-12-30 23:00:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1 1" YEAR_MONTH);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1 1" YEAR_MONTH)
|
|
1996-12-01 00:00:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1:1:1" HOUR_SECOND);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1:1:1" HOUR_SECOND)
|
|
1997-12-31 22:58:59
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1 1:1" DAY_MINUTE);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1 1:1" DAY_MINUTE)
|
|
1997-12-30 22:59:00
|
|
select date_sub("1998-01-01 00:00:00",INTERVAL "1 1:1:1" DAY_SECOND);
|
|
date_sub("1998-01-01 00:00:00",INTERVAL "1 1:1:1" DAY_SECOND)
|
|
1997-12-30 22:58:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL 100000 SECOND);
|
|
date_add("1997-12-31 23:59:59",INTERVAL 100000 SECOND)
|
|
1998-01-02 03:46:39
|
|
select date_add("1997-12-31 23:59:59",INTERVAL -100000 MINUTE);
|
|
date_add("1997-12-31 23:59:59",INTERVAL -100000 MINUTE)
|
|
1997-10-23 13:19:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL 100000 HOUR);
|
|
date_add("1997-12-31 23:59:59",INTERVAL 100000 HOUR)
|
|
2009-05-29 15:59:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL -100000 DAY);
|
|
date_add("1997-12-31 23:59:59",INTERVAL -100000 DAY)
|
|
1724-03-17 23:59:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL 100000 MONTH);
|
|
date_add("1997-12-31 23:59:59",INTERVAL 100000 MONTH)
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
select date_add("1997-12-31 23:59:59",INTERVAL -100000 YEAR);
|
|
date_add("1997-12-31 23:59:59",INTERVAL -100000 YEAR)
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
select date_add("1997-12-31 23:59:59",INTERVAL "10000:1" MINUTE_SECOND);
|
|
date_add("1997-12-31 23:59:59",INTERVAL "10000:1" MINUTE_SECOND)
|
|
1998-01-07 22:40:00
|
|
select date_add("1997-12-31 23:59:59",INTERVAL "-10000:1" HOUR_MINUTE);
|
|
date_add("1997-12-31 23:59:59",INTERVAL "-10000:1" HOUR_MINUTE)
|
|
1996-11-10 07:58:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL "10000:1" DAY_HOUR);
|
|
date_add("1997-12-31 23:59:59",INTERVAL "10000:1" DAY_HOUR)
|
|
2025-05-19 00:59:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL "-100 1" YEAR_MONTH);
|
|
date_add("1997-12-31 23:59:59",INTERVAL "-100 1" YEAR_MONTH)
|
|
1897-11-30 23:59:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL "10000:99:99" HOUR_SECOND);
|
|
date_add("1997-12-31 23:59:59",INTERVAL "10000:99:99" HOUR_SECOND)
|
|
1999-02-21 17:40:38
|
|
select date_add("1997-12-31 23:59:59",INTERVAL " -10000 99:99" DAY_MINUTE);
|
|
date_add("1997-12-31 23:59:59",INTERVAL " -10000 99:99" DAY_MINUTE)
|
|
1970-08-11 19:20:59
|
|
select date_add("1997-12-31 23:59:59",INTERVAL "10000 99:99:99" DAY_SECOND);
|
|
date_add("1997-12-31 23:59:59",INTERVAL "10000 99:99:99" DAY_SECOND)
|
|
2025-05-23 04:40:38
|
|
select "1997-12-31 23:59:59" + INTERVAL 1 SECOND;
|
|
"1997-12-31 23:59:59" + INTERVAL 1 SECOND
|
|
1998-01-01 00:00:00
|
|
select INTERVAL 1 DAY + "1997-12-31";
|
|
INTERVAL 1 DAY + "1997-12-31"
|
|
1998-01-01
|
|
select "1998-01-01 00:00:00" - INTERVAL 1 SECOND;
|
|
"1998-01-01 00:00:00" - INTERVAL 1 SECOND
|
|
1997-12-31 23:59:59
|
|
select date_sub("1998-01-02",INTERVAL 31 DAY);
|
|
date_sub("1998-01-02",INTERVAL 31 DAY)
|
|
1997-12-02
|
|
select date_add("1997-12-31",INTERVAL 1 SECOND);
|
|
date_add("1997-12-31",INTERVAL 1 SECOND)
|
|
1997-12-31 00:00:01
|
|
select date_add("1997-12-31",INTERVAL 1 DAY);
|
|
date_add("1997-12-31",INTERVAL 1 DAY)
|
|
1998-01-01
|
|
select date_add(NULL,INTERVAL 100000 SECOND);
|
|
date_add(NULL,INTERVAL 100000 SECOND)
|
|
NULL
|
|
select date_add("1997-12-31 23:59:59",INTERVAL NULL SECOND);
|
|
date_add("1997-12-31 23:59:59",INTERVAL NULL SECOND)
|
|
NULL
|
|
select date_add("1997-12-31 23:59:59",INTERVAL NULL MINUTE_SECOND);
|
|
date_add("1997-12-31 23:59:59",INTERVAL NULL MINUTE_SECOND)
|
|
NULL
|
|
select date_add("9999-12-31 23:59:59",INTERVAL 1 SECOND);
|
|
date_add("9999-12-31 23:59:59",INTERVAL 1 SECOND)
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
select date_sub("0000-00-00 00:00:00",INTERVAL 1 SECOND);
|
|
date_sub("0000-00-00 00:00:00",INTERVAL 1 SECOND)
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0000-00-00 00:00:00'
|
|
select date_add('1998-01-30',Interval 1 month);
|
|
date_add('1998-01-30',Interval 1 month)
|
|
1998-02-28
|
|
select date_add('1998-01-30',Interval '2:1' year_month);
|
|
date_add('1998-01-30',Interval '2:1' year_month)
|
|
2000-02-29
|
|
select date_add('1996-02-29',Interval '1' year);
|
|
date_add('1996-02-29',Interval '1' year)
|
|
1997-02-28
|
|
select extract(YEAR FROM "1999-01-02 10:11:12");
|
|
extract(YEAR FROM "1999-01-02 10:11:12")
|
|
1999
|
|
select extract(YEAR_MONTH FROM "1999-01-02");
|
|
extract(YEAR_MONTH FROM "1999-01-02")
|
|
199901
|
|
select extract(DAY FROM "1999-01-02");
|
|
extract(DAY FROM "1999-01-02")
|
|
2
|
|
select extract(DAY_HOUR FROM "1999-01-02 10:11:12");
|
|
extract(DAY_HOUR FROM "1999-01-02 10:11:12")
|
|
210
|
|
select extract(DAY_MINUTE FROM "02 10:11:12");
|
|
extract(DAY_MINUTE FROM "02 10:11:12")
|
|
21011
|
|
select extract(DAY_SECOND FROM "225 10:11:12");
|
|
extract(DAY_SECOND FROM "225 10:11:12")
|
|
8385959
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '225 10:11:12'
|
|
select extract(HOUR FROM "1999-01-02 10:11:12");
|
|
extract(HOUR FROM "1999-01-02 10:11:12")
|
|
10
|
|
select extract(HOUR_MINUTE FROM "10:11:12");
|
|
extract(HOUR_MINUTE FROM "10:11:12")
|
|
1011
|
|
select extract(HOUR_SECOND FROM "10:11:12");
|
|
extract(HOUR_SECOND FROM "10:11:12")
|
|
101112
|
|
select extract(MINUTE FROM "10:11:12");
|
|
extract(MINUTE FROM "10:11:12")
|
|
11
|
|
select extract(MINUTE_SECOND FROM "10:11:12");
|
|
extract(MINUTE_SECOND FROM "10:11:12")
|
|
1112
|
|
select extract(SECOND FROM "1999-01-02 10:11:12");
|
|
extract(SECOND FROM "1999-01-02 10:11:12")
|
|
12
|
|
select extract(MONTH FROM "2001-02-00");
|
|
extract(MONTH FROM "2001-02-00")
|
|
2
|
|
SELECT EXTRACT(QUARTER FROM '2004-01-15') AS quarter;
|
|
quarter
|
|
1
|
|
SELECT EXTRACT(QUARTER FROM '2004-02-15') AS quarter;
|
|
quarter
|
|
1
|
|
SELECT EXTRACT(QUARTER FROM '2004-03-15') AS quarter;
|
|
quarter
|
|
1
|
|
SELECT EXTRACT(QUARTER FROM '2004-04-15') AS quarter;
|
|
quarter
|
|
2
|
|
SELECT EXTRACT(QUARTER FROM '2004-05-15') AS quarter;
|
|
quarter
|
|
2
|
|
SELECT EXTRACT(QUARTER FROM '2004-06-15') AS quarter;
|
|
quarter
|
|
2
|
|
SELECT EXTRACT(QUARTER FROM '2004-07-15') AS quarter;
|
|
quarter
|
|
3
|
|
SELECT EXTRACT(QUARTER FROM '2004-08-15') AS quarter;
|
|
quarter
|
|
3
|
|
SELECT EXTRACT(QUARTER FROM '2004-09-15') AS quarter;
|
|
quarter
|
|
3
|
|
SELECT EXTRACT(QUARTER FROM '2004-10-15') AS quarter;
|
|
quarter
|
|
4
|
|
SELECT EXTRACT(QUARTER FROM '2004-11-15') AS quarter;
|
|
quarter
|
|
4
|
|
SELECT EXTRACT(QUARTER FROM '2004-12-15') AS quarter;
|
|
quarter
|
|
4
|
|
SELECT DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
|
|
DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE)
|
|
9999-12-31 00:00:00
|
|
SELECT DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
|
|
DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE)
|
|
9999-12-31 00:00:00
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 2147483648 SECOND;
|
|
"1900-01-01 00:00:00" + INTERVAL 2147483648 SECOND
|
|
1968-01-20 03:14:08
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL "1:2147483647" MINUTE_SECOND;
|
|
"1900-01-01 00:00:00" + INTERVAL "1:2147483647" MINUTE_SECOND
|
|
1968-01-20 03:15:07
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL "100000000:214748364700" MINUTE_SECOND;
|
|
"1900-01-01 00:00:00" + INTERVAL "100000000:214748364700" MINUTE_SECOND
|
|
8895-03-27 22:11:40
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 1<<37 SECOND;
|
|
"1900-01-01 00:00:00" + INTERVAL 1<<37 SECOND
|
|
6255-04-08 15:04:32
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 1<<31 MINUTE;
|
|
"1900-01-01 00:00:00" + INTERVAL 1<<31 MINUTE
|
|
5983-01-24 02:08:00
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 1<<20 HOUR;
|
|
"1900-01-01 00:00:00" + INTERVAL 1<<20 HOUR
|
|
2019-08-15 16:00:00
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 1<<38 SECOND;
|
|
"1900-01-01 00:00:00" + INTERVAL 1<<38 SECOND
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 1<<33 MINUTE;
|
|
"1900-01-01 00:00:00" + INTERVAL 1<<33 MINUTE
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL 1<<30 HOUR;
|
|
"1900-01-01 00:00:00" + INTERVAL 1<<30 HOUR
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
SELECT "1900-01-01 00:00:00" + INTERVAL "1000000000:214748364700" MINUTE_SECOND;
|
|
"1900-01-01 00:00:00" + INTERVAL "1000000000:214748364700" MINUTE_SECOND
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: datetime field overflow
|
|
create table t1 (ctime varchar(20));
|
|
insert into t1 values ('2001-01-12 12:23:40');
|
|
select ctime, hour(ctime) from t1;
|
|
ctime hour(ctime)
|
|
2001-01-12 12:23:40 12
|
|
select ctime from t1 where extract(MONTH FROM ctime) = 1 AND extract(YEAR FROM ctime) = 2001;
|
|
ctime
|
|
2001-01-12 12:23:40
|
|
drop table t1;
|
|
create table t1 (id int);
|
|
create table t2 (id int, date date);
|
|
insert into t1 values (1);
|
|
insert into t2 values (1, "0000-00-00");
|
|
insert into t1 values (2);
|
|
insert into t2 values (2, "2000-01-01");
|
|
select monthname(date) from t1 inner join t2 on t1.id = t2.id;
|
|
monthname(date)
|
|
NULL
|
|
January
|
|
select monthname(date) from t1 inner join t2 on t1.id = t2.id order by t1.id;
|
|
monthname(date)
|
|
NULL
|
|
January
|
|
drop table t1,t2;
|
|
CREATE TABLE t1 (updated text) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES ('');
|
|
SELECT month(updated) from t1;
|
|
month(updated)
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: ''
|
|
SELECT year(updated) from t1;
|
|
year(updated)
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: ''
|
|
drop table t1;
|
|
create table t1 (d date, dt datetime, t timestamp, c char(10));
|
|
insert into t1 values ("0000-00-00", "0000-00-00", "0000-00-00", "0000-00-00");
|
|
select dayofyear("0000-00-00"),dayofyear(d),dayofyear(dt),dayofyear(t),dayofyear(c) from t1;
|
|
dayofyear("0000-00-00") dayofyear(d) dayofyear(dt) dayofyear(t) dayofyear(c)
|
|
NULL NULL NULL NULL NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
select dayofmonth("0000-00-00"),dayofmonth(d),dayofmonth(dt),dayofmonth(t),dayofmonth(c) from t1;
|
|
dayofmonth("0000-00-00") dayofmonth(d) dayofmonth(dt) dayofmonth(t) dayofmonth(c)
|
|
0 0 0 0 0
|
|
select month("0000-00-00"),month(d),month(dt),month(t),month(c) from t1;
|
|
month("0000-00-00") month(d) month(dt) month(t) month(c)
|
|
0 0 0 0 0
|
|
select quarter("0000-00-00"),quarter(d),quarter(dt),quarter(t),quarter(c) from t1;
|
|
quarter("0000-00-00") quarter(d) quarter(dt) quarter(t) quarter(c)
|
|
0 0 0 0 0
|
|
select week("0000-00-00"),week(d),week(dt),week(t),week(c) from t1;
|
|
week("0000-00-00") week(d) week(dt) week(t) week(c)
|
|
NULL NULL NULL NULL NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
select year("0000-00-00"),year(d),year(dt),year(t),year(c) from t1;
|
|
year("0000-00-00") year(d) year(dt) year(t) year(c)
|
|
0 0 0 0 0
|
|
select yearweek("0000-00-00"),yearweek(d),yearweek(dt),yearweek(t),yearweek(c) from t1;
|
|
yearweek("0000-00-00") yearweek(d) yearweek(dt) yearweek(t) yearweek(c)
|
|
NULL NULL NULL NULL NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
select to_days("0000-00-00"),to_days(d),to_days(dt),to_days(t),to_days(c) from t1;
|
|
to_days("0000-00-00") to_days(d) to_days(dt) to_days(t) to_days(c)
|
|
NULL NULL NULL NULL NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
select extract(MONTH FROM "0000-00-00"),extract(MONTH FROM d),extract(MONTH FROM dt),extract(MONTH FROM t),extract(MONTH FROM c) from t1;
|
|
extract(MONTH FROM "0000-00-00") extract(MONTH FROM d) extract(MONTH FROM dt) extract(MONTH FROM t) extract(MONTH FROM c)
|
|
0 0 0 0 0
|
|
drop table t1;
|
|
CREATE TABLE t1 ( start datetime default NULL);
|
|
INSERT INTO t1 VALUES ('2002-10-21 00:00:00'),('2002-10-28 00:00:00'),('2002-11-04 00:00:00');
|
|
CREATE TABLE t2 ( ctime1 timestamp NOT NULL, ctime2 timestamp NOT NULL);
|
|
INSERT INTO t2 VALUES (20021029165106,20021105164731);
|
|
CREATE TABLE t3 (ctime1 char(19) NOT NULL, ctime2 char(19) NOT NULL);
|
|
INSERT INTO t3 VALUES ("2002-10-29 16:51:06","2002-11-05 16:47:31");
|
|
select * from t1, t2 where t1.start between t2.ctime1 and t2.ctime2;
|
|
start ctime1 ctime2
|
|
2002-11-04 00:00:00 2002-10-29 16:51:06 2002-11-05 16:47:31
|
|
select * from t1, t2 where t1.start >= t2.ctime1 and t1.start <= t2.ctime2;
|
|
start ctime1 ctime2
|
|
2002-11-04 00:00:00 2002-10-29 16:51:06 2002-11-05 16:47:31
|
|
select * from t1, t3 where t1.start between t3.ctime1 and t3.ctime2;
|
|
start ctime1 ctime2
|
|
2002-11-04 00:00:00 2002-10-29 16:51:06 2002-11-05 16:47:31
|
|
drop table t1,t2,t3;
|
|
select @a:=FROM_UNIXTIME(1);
|
|
@a:=FROM_UNIXTIME(1)
|
|
1970-01-01 03:00:01
|
|
select unix_timestamp(@a);
|
|
unix_timestamp(@a)
|
|
1.000000
|
|
select unix_timestamp('1969-12-01 19:00:01');
|
|
unix_timestamp('1969-12-01 19:00:01')
|
|
NULL
|
|
select from_unixtime(-1);
|
|
from_unixtime(-1)
|
|
NULL
|
|
select from_unixtime(2147483647);
|
|
from_unixtime(2147483647)
|
|
2038-01-19 06:14:07
|
|
select from_unixtime(2147483648);
|
|
from_unixtime(2147483648)
|
|
NULL
|
|
select from_unixtime(0);
|
|
from_unixtime(0)
|
|
1970-01-01 03:00:00
|
|
select unix_timestamp(from_unixtime(2147483647));
|
|
unix_timestamp(from_unixtime(2147483647))
|
|
2147483647
|
|
select unix_timestamp(from_unixtime(2147483648));
|
|
unix_timestamp(from_unixtime(2147483648))
|
|
NULL
|
|
select unix_timestamp('2039-01-20 01:00:00');
|
|
unix_timestamp('2039-01-20 01:00:00')
|
|
NULL
|
|
select unix_timestamp('1968-01-20 01:00:00');
|
|
unix_timestamp('1968-01-20 01:00:00')
|
|
NULL
|
|
select unix_timestamp('2038-02-10 01:00:00');
|
|
unix_timestamp('2038-02-10 01:00:00')
|
|
NULL
|
|
select unix_timestamp('1969-11-20 01:00:00');
|
|
unix_timestamp('1969-11-20 01:00:00')
|
|
NULL
|
|
select unix_timestamp('2038-01-20 01:00:00');
|
|
unix_timestamp('2038-01-20 01:00:00')
|
|
NULL
|
|
select unix_timestamp('1969-12-30 01:00:00');
|
|
unix_timestamp('1969-12-30 01:00:00')
|
|
NULL
|
|
select unix_timestamp('2038-01-17 12:00:00');
|
|
unix_timestamp('2038-01-17 12:00:00')
|
|
2147331600.000000
|
|
select unix_timestamp('1970-01-01 03:00:01');
|
|
unix_timestamp('1970-01-01 03:00:01')
|
|
1.000000
|
|
select unix_timestamp('2038-01-19 07:14:07');
|
|
unix_timestamp('2038-01-19 07:14:07')
|
|
NULL
|
|
SELECT CHARSET(DAYNAME(19700101));
|
|
CHARSET(DAYNAME(19700101))
|
|
latin1
|
|
SELECT CHARSET(MONTHNAME(19700101));
|
|
CHARSET(MONTHNAME(19700101))
|
|
latin1
|
|
SELECT LOWER(DAYNAME(19700101));
|
|
LOWER(DAYNAME(19700101))
|
|
thursday
|
|
SELECT LOWER(MONTHNAME(19700101));
|
|
LOWER(MONTHNAME(19700101))
|
|
january
|
|
SELECT COERCIBILITY(MONTHNAME('1970-01-01')),COERCIBILITY(DAYNAME('1970-01-01'));
|
|
COERCIBILITY(MONTHNAME('1970-01-01')) COERCIBILITY(DAYNAME('1970-01-01'))
|
|
4 4
|
|
CREATE TABLE t1 (datetime datetime, timestamp timestamp, date date, time time);
|
|
INSERT INTO t1 values ("2001-01-02 03:04:05", "2002-01-02 03:04:05", "2003-01-02", "06:07:08");
|
|
SELECT * from t1;
|
|
datetime timestamp date time
|
|
2001-01-02 03:04:05 2002-01-02 03:04:05 2003-01-02 06:07:08
|
|
select date_add("1997-12-31",INTERVAL 1 SECOND);
|
|
date_add("1997-12-31",INTERVAL 1 SECOND)
|
|
1997-12-31 00:00:01
|
|
select date_add("1997-12-31",INTERVAL "1 1" YEAR_MONTH);
|
|
date_add("1997-12-31",INTERVAL "1 1" YEAR_MONTH)
|
|
1999-01-31
|
|
select date_add(datetime, INTERVAL 1 SECOND) from t1;
|
|
date_add(datetime, INTERVAL 1 SECOND)
|
|
2001-01-02 03:04:06
|
|
select date_add(datetime, INTERVAL 1 YEAR) from t1;
|
|
date_add(datetime, INTERVAL 1 YEAR)
|
|
2002-01-02 03:04:05
|
|
select date_add(date,INTERVAL 1 SECOND) from t1;
|
|
date_add(date,INTERVAL 1 SECOND)
|
|
2003-01-02 00:00:01
|
|
select date_add(date,INTERVAL 1 MINUTE) from t1;
|
|
date_add(date,INTERVAL 1 MINUTE)
|
|
2003-01-02 00:01:00
|
|
select date_add(date,INTERVAL 1 HOUR) from t1;
|
|
date_add(date,INTERVAL 1 HOUR)
|
|
2003-01-02 01:00:00
|
|
select date_add(date,INTERVAL 1 DAY) from t1;
|
|
date_add(date,INTERVAL 1 DAY)
|
|
2003-01-03
|
|
select date_add(date,INTERVAL 1 MONTH) from t1;
|
|
date_add(date,INTERVAL 1 MONTH)
|
|
2003-02-02
|
|
select date_add(date,INTERVAL 1 YEAR) from t1;
|
|
date_add(date,INTERVAL 1 YEAR)
|
|
2004-01-02
|
|
select date_add(date,INTERVAL "1:1" MINUTE_SECOND) from t1;
|
|
date_add(date,INTERVAL "1:1" MINUTE_SECOND)
|
|
2003-01-02 00:01:01
|
|
select date_add(date,INTERVAL "1:1" HOUR_MINUTE) from t1;
|
|
date_add(date,INTERVAL "1:1" HOUR_MINUTE)
|
|
2003-01-02 01:01:00
|
|
select date_add(date,INTERVAL "1:1" DAY_HOUR) from t1;
|
|
date_add(date,INTERVAL "1:1" DAY_HOUR)
|
|
2003-01-03 01:00:00
|
|
select date_add(date,INTERVAL "1 1" YEAR_MONTH) from t1;
|
|
date_add(date,INTERVAL "1 1" YEAR_MONTH)
|
|
2004-02-02
|
|
select date_add(date,INTERVAL "1:1:1" HOUR_SECOND) from t1;
|
|
date_add(date,INTERVAL "1:1:1" HOUR_SECOND)
|
|
2003-01-02 01:01:01
|
|
select date_add(date,INTERVAL "1 1:1" DAY_MINUTE) from t1;
|
|
date_add(date,INTERVAL "1 1:1" DAY_MINUTE)
|
|
2003-01-03 01:01:00
|
|
select date_add(date,INTERVAL "1 1:1:1" DAY_SECOND) from t1;
|
|
date_add(date,INTERVAL "1 1:1:1" DAY_SECOND)
|
|
2003-01-03 01:01:01
|
|
select date_add(date,INTERVAL "1" WEEK) from t1;
|
|
date_add(date,INTERVAL "1" WEEK)
|
|
2003-01-09
|
|
select date_add(date,INTERVAL "1" QUARTER) from t1;
|
|
date_add(date,INTERVAL "1" QUARTER)
|
|
2003-04-02
|
|
select timestampadd(MINUTE, 1, date) from t1;
|
|
timestampadd(MINUTE, 1, date)
|
|
2003-01-02 00:01:00
|
|
select timestampadd(WEEK, 1, date) from t1;
|
|
timestampadd(WEEK, 1, date)
|
|
2003-01-09
|
|
select timestampadd(SQL_TSI_SECOND, 1, date) from t1;
|
|
timestampadd(SQL_TSI_SECOND, 1, date)
|
|
2003-01-02 00:00:01
|
|
select timestampadd(SQL_TSI_FRAC_SECOND, 1, date) from t1;
|
|
timestampadd(SQL_TSI_FRAC_SECOND, 1, date)
|
|
2003-01-02 00:00:00.000001
|
|
Warnings:
|
|
Warning 1287 'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
|
|
select timestampdiff(MONTH, '2001-02-01', '2001-05-01') as a;
|
|
a
|
|
3
|
|
select timestampdiff(YEAR, '2002-05-01', '2001-01-01') as a;
|
|
a
|
|
-1
|
|
select timestampdiff(QUARTER, '2002-05-01', '2001-01-01') as a;
|
|
a
|
|
-5
|
|
select timestampdiff(MONTH, '2000-03-28', '2000-02-29') as a;
|
|
a
|
|
0
|
|
select timestampdiff(MONTH, '1991-03-28', '2000-02-29') as a;
|
|
a
|
|
107
|
|
select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a;
|
|
a
|
|
12
|
|
select timestampdiff(SQL_TSI_HOUR, '2001-02-01', '2001-05-01') as a;
|
|
a
|
|
2136
|
|
select timestampdiff(SQL_TSI_DAY, '2001-02-01', '2001-05-01') as a;
|
|
a
|
|
89
|
|
select timestampdiff(SQL_TSI_MINUTE, '2001-02-01 12:59:59', '2001-05-01 12:58:59') as a;
|
|
a
|
|
128159
|
|
select timestampdiff(SQL_TSI_SECOND, '2001-02-01 12:59:59', '2001-05-01 12:58:58') as a;
|
|
a
|
|
7689539
|
|
select timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:58:58.119999') as a;
|
|
a
|
|
7689538999999
|
|
Warnings:
|
|
Warning 1287 'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
|
|
select timestampdiff(SQL_TSI_DAY, '1986-02-01', '1986-03-01') as a1,
|
|
timestampdiff(SQL_TSI_DAY, '1900-02-01', '1900-03-01') as a2,
|
|
timestampdiff(SQL_TSI_DAY, '1996-02-01', '1996-03-01') as a3,
|
|
timestampdiff(SQL_TSI_DAY, '2000-02-01', '2000-03-01') as a4;
|
|
a1 a2 a3 a4
|
|
28 28 29 29
|
|
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:27');
|
|
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:27')
|
|
0
|
|
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:28');
|
|
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:28')
|
|
1
|
|
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:29');
|
|
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:29')
|
|
1
|
|
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:27');
|
|
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:27')
|
|
1
|
|
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:28');
|
|
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:28')
|
|
2
|
|
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:29');
|
|
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:29')
|
|
2
|
|
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:27');
|
|
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:27')
|
|
0
|
|
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:28');
|
|
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:28')
|
|
1
|
|
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:29');
|
|
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:29')
|
|
1
|
|
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:27');
|
|
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:27')
|
|
1
|
|
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:28');
|
|
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:28')
|
|
2
|
|
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:29');
|
|
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:29')
|
|
2
|
|
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:27');
|
|
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:27')
|
|
0
|
|
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:28');
|
|
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:28')
|
|
1
|
|
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:29');
|
|
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:29')
|
|
1
|
|
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:27');
|
|
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:27')
|
|
1
|
|
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:28');
|
|
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:28')
|
|
2
|
|
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:29');
|
|
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:29')
|
|
2
|
|
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:27');
|
|
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:27')
|
|
0
|
|
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:28');
|
|
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:28')
|
|
1
|
|
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:29');
|
|
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:29')
|
|
1
|
|
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:27');
|
|
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:27')
|
|
1
|
|
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:28');
|
|
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:28')
|
|
2
|
|
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:29');
|
|
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:29')
|
|
2
|
|
select date_add(time,INTERVAL 1 SECOND) from t1;
|
|
date_add(time,INTERVAL 1 SECOND)
|
|
06:07:09
|
|
drop table t1;
|
|
select last_day('2000-02-05') as f1, last_day('2002-12-31') as f2,
|
|
last_day('2003-03-32') as f3, last_day('2003-04-01') as f4,
|
|
last_day('2001-01-01 01:01:01') as f5, last_day(NULL),
|
|
last_day('2001-02-12');
|
|
f1 f2 f3 f4 f5 last_day(NULL) last_day('2001-02-12')
|
|
2000-02-29 2002-12-31 NULL 2003-04-30 2001-01-31 NULL 2001-02-28
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '2003-03-32'
|
|
create table t1 select last_day('2000-02-05') as a,
|
|
from_days(to_days("960101")) as b;
|
|
describe t1;
|
|
Field Type Null Key Default Extra
|
|
a date YES NULL
|
|
b date YES NULL
|
|
select * from t1;
|
|
a b
|
|
2000-02-29 1996-01-01
|
|
drop table t1;
|
|
select last_day('2000-02-05') as a,
|
|
from_days(to_days("960101")) as b;
|
|
a b
|
|
2000-02-29 1996-01-01
|
|
select date_add(last_day("1997-12-1"), INTERVAL 1 DAY);
|
|
date_add(last_day("1997-12-1"), INTERVAL 1 DAY)
|
|
1998-01-01
|
|
select length(last_day("1997-12-1"));
|
|
length(last_day("1997-12-1"))
|
|
10
|
|
select last_day("1997-12-1")+0;
|
|
last_day("1997-12-1")+0
|
|
19971231
|
|
select last_day("1997-12-1")+0.0;
|
|
last_day("1997-12-1")+0.0
|
|
19971231.0
|
|
select strcmp(date_sub(localtimestamp(), interval 3 hour), utc_timestamp())=0;
|
|
strcmp(date_sub(localtimestamp(), interval 3 hour), utc_timestamp())=0
|
|
1
|
|
select strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%T"), utc_time())=0;
|
|
strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%T"), utc_time())=0
|
|
1
|
|
select strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%Y-%m-%d"), utc_date())=0;
|
|
strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%Y-%m-%d"), utc_date())=0
|
|
1
|
|
select strcmp(date_format(utc_timestamp(),"%T"), utc_time())=0;
|
|
strcmp(date_format(utc_timestamp(),"%T"), utc_time())=0
|
|
1
|
|
select strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0;
|
|
strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0
|
|
1
|
|
select strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0;
|
|
strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0
|
|
1
|
|
explain extended select period_add("9602",-12),period_diff(199505,"9404"),from_days(to_days("960101")),dayofmonth("1997-01-02"), month("1997-01-02"), monthname("1972-03-04"),dayofyear("0000-00-00"),HOUR("1997-03-03 23:03:22"),MINUTE("23:03:22"),SECOND(230322),QUARTER(980303),WEEK("1998-03-03"),yearweek("2000-01-01",1),week(19950101,1),year("98-02-03"),weekday(curdate())-weekday(now()),dayname("1962-03-03"),unix_timestamp(),sec_to_time(time_to_sec("0:30:47")/6.21),curtime(),utc_time(),curdate(),utc_date(),utc_timestamp(),date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w"),from_unixtime(unix_timestamp("1994-03-02 10:11:12")),"1997-12-31 23:59:59" + INTERVAL 1 SECOND,"1998-01-01 00:00:00" - INTERVAL 1 SECOND,INTERVAL 1 DAY + "1997-12-31", extract(YEAR FROM "1999-01-02 10:11:12"),date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
|
Warnings:
|
|
Note 1003 select period_add('9602',-(12)) AS `period_add("9602",-12)`,period_diff(199505,'9404') AS `period_diff(199505,"9404")`,from_days(to_days('960101')) AS `from_days(to_days("960101"))`,dayofmonth('1997-01-02') AS `dayofmonth("1997-01-02")`,month('1997-01-02') AS `month("1997-01-02")`,monthname('1972-03-04') AS `monthname("1972-03-04")`,dayofyear('0000-00-00') AS `dayofyear("0000-00-00")`,hour('1997-03-03 23:03:22') AS `HOUR("1997-03-03 23:03:22")`,minute('23:03:22') AS `MINUTE("23:03:22")`,second(230322) AS `SECOND(230322)`,quarter(980303) AS `QUARTER(980303)`,week('1998-03-03',0) AS `WEEK("1998-03-03")`,yearweek('2000-01-01',1) AS `yearweek("2000-01-01",1)`,week(19950101,1) AS `week(19950101,1)`,year('98-02-03') AS `year("98-02-03")`,(weekday(curdate()) - weekday(now())) AS `weekday(curdate())-weekday(now())`,dayname('1962-03-03') AS `dayname("1962-03-03")`,unix_timestamp() AS `unix_timestamp()`,sec_to_time((time_to_sec('0:30:47') / 6.21)) AS `sec_to_time(time_to_sec("0:30:47")/6.21)`,curtime() AS `curtime()`,utc_time() AS `utc_time()`,curdate() AS `curdate()`,utc_date() AS `utc_date()`,utc_timestamp() AS `utc_timestamp()`,date_format('1997-01-02 03:04:05','%M %W %D %Y %y %m %d %h %i %s %w') AS `date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")`,from_unixtime(unix_timestamp('1994-03-02 10:11:12')) AS `from_unixtime(unix_timestamp("1994-03-02 10:11:12"))`,('1997-12-31 23:59:59' + interval 1 second) AS `"1997-12-31 23:59:59" + INTERVAL 1 SECOND`,('1998-01-01 00:00:00' - interval 1 second) AS `"1998-01-01 00:00:00" - INTERVAL 1 SECOND`,('1997-12-31' + interval 1 day) AS `INTERVAL 1 DAY + "1997-12-31"`,extract(year from '1999-01-02 10:11:12') AS `extract(YEAR FROM "1999-01-02 10:11:12")`,('1997-12-31 23:59:59' + interval 1 second) AS `date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND)`
|
|
SET @TMP='2007-08-01 12:22:49';
|
|
CREATE TABLE t1 (d DATETIME);
|
|
INSERT INTO t1 VALUES ('2007-08-01 12:22:59');
|
|
INSERT INTO t1 VALUES ('2007-08-01 12:23:01');
|
|
INSERT INTO t1 VALUES ('2007-08-01 12:23:20');
|
|
SELECT count(*) FROM t1 WHERE d>FROM_DAYS(TO_DAYS(@TMP)) AND d<=FROM_DAYS(TO_DAYS(@TMP)+1);
|
|
count(*)
|
|
3
|
|
DROP TABLE t1;
|
|
select last_day('2005-00-00');
|
|
last_day('2005-00-00')
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '2005-00-00'
|
|
select last_day('2005-00-01');
|
|
last_day('2005-00-01')
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '2005-00-01'
|
|
select last_day('2005-01-00');
|
|
last_day('2005-01-00')
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '2005-01-00'
|
|
select monthname(str_to_date(null, '%m')), monthname(str_to_date(null, '%m')),
|
|
monthname(str_to_date(1, '%m')), monthname(str_to_date(0, '%m'));
|
|
monthname(str_to_date(null, '%m')) monthname(str_to_date(null, '%m')) monthname(str_to_date(1, '%m')) monthname(str_to_date(0, '%m'))
|
|
NULL NULL January NULL
|
|
set time_zone='-6:00';
|
|
create table t1(a timestamp);
|
|
insert into t1 values (19691231190001);
|
|
select * from t1;
|
|
a
|
|
1969-12-31 19:00:01
|
|
drop table t1;
|
|
create table t1(f1 date, f2 time, f3 datetime);
|
|
insert into t1 values ("2006-01-01", "12:01:01", "2006-01-01 12:01:01");
|
|
insert into t1 values ("2006-01-02", "12:01:02", "2006-01-02 12:01:02");
|
|
select f1 from t1 where f1 between CAST("2006-1-1" as date) and CAST(20060101 as date);
|
|
f1
|
|
2006-01-01
|
|
select f1 from t1 where f1 between cast("2006-1-1" as date) and cast("2006.1.1" as date);
|
|
f1
|
|
2006-01-01
|
|
select f1 from t1 where date(f1) between cast("2006-1-1" as date) and cast("2006.1.1" as date);
|
|
f1
|
|
2006-01-01
|
|
select f2 from t1 where f2 between cast("12:1:2" as time) and cast("12:2:2" as time);
|
|
f2
|
|
12:01:02
|
|
select f2 from t1 where time(f2) between cast("12:1:2" as time) and cast("12:2:2" as time);
|
|
f2
|
|
12:01:02
|
|
select f3 from t1 where f3 between cast("2006-1-1 12:1:1" as datetime) and cast("2006-1-1 12:1:2" as datetime);
|
|
f3
|
|
2006-01-01 12:01:01
|
|
select f3 from t1 where timestamp(f3) between cast("2006-1-1 12:1:1" as datetime) and cast("2006-1-1 12:1:2" as datetime);
|
|
f3
|
|
2006-01-01 12:01:01
|
|
select f1 from t1 where cast("2006-1-1" as date) between f1 and f3;
|
|
f1
|
|
2006-01-01
|
|
select f1 from t1 where cast("2006-1-1" as date) between date(f1) and date(f3);
|
|
f1
|
|
2006-01-01
|
|
select f1 from t1 where cast("2006-1-1" as date) between f1 and cast('zzz' as date);
|
|
f1
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: 'zzz'
|
|
Warning 1292 Incorrect datetime value: 'zzz'
|
|
select f1 from t1 where makedate(2006,1) between date(f1) and date(f3);
|
|
f1
|
|
2006-01-01
|
|
select f1 from t1 where makedate(2006,2) between date(f1) and date(f3);
|
|
f1
|
|
2006-01-02
|
|
drop table t1;
|
|
create table t1 select now() - now(), curtime() - curtime(),
|
|
sec_to_time(1) + 0, from_unixtime(1) + 0;
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`now() - now()` decimal(20,0) NOT NULL DEFAULT '0',
|
|
`curtime() - curtime()` decimal(11,0) NOT NULL DEFAULT '0',
|
|
`sec_to_time(1) + 0` decimal(11,0) DEFAULT NULL,
|
|
`from_unixtime(1) + 0` decimal(20,0) DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
|
drop table t1;
|
|
SELECT SEC_TO_TIME(3300000);
|
|
SEC_TO_TIME(3300000)
|
|
838:59:59
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '3300000'
|
|
SELECT SEC_TO_TIME(3300000)+0;
|
|
SEC_TO_TIME(3300000)+0
|
|
8385959
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '3300000'
|
|
SELECT SEC_TO_TIME(3600 * 4294967296);
|
|
SEC_TO_TIME(3600 * 4294967296)
|
|
838:59:59
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '15461882265600'
|
|
SELECT TIME_TO_SEC('916:40:00');
|
|
TIME_TO_SEC('916:40:00')
|
|
3020399.999999
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '916:40:00'
|
|
SELECT ADDTIME('500:00:00', '416:40:00');
|
|
ADDTIME('500:00:00', '416:40:00')
|
|
838:59:59.999999
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '916:40:00'
|
|
SELECT ADDTIME('916:40:00', '416:40:00');
|
|
ADDTIME('916:40:00', '416:40:00')
|
|
838:59:59.999999
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '916:40:00'
|
|
Warning 1292 Truncated incorrect time value: '1255:39:59.999999'
|
|
SELECT SUBTIME('916:40:00', '416:40:00');
|
|
SUBTIME('916:40:00', '416:40:00')
|
|
422:19:59.999999
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '916:40:00'
|
|
SELECT SUBTIME('-916:40:00', '416:40:00');
|
|
SUBTIME('-916:40:00', '416:40:00')
|
|
-838:59:59.999999
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '-916:40:00'
|
|
Warning 1292 Truncated incorrect time value: '-1255:39:59.999999'
|
|
SELECT MAKETIME(916,0,0);
|
|
MAKETIME(916,0,0)
|
|
838:59:59
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '916:00:00'
|
|
SELECT MAKETIME(4294967296, 0, 0);
|
|
MAKETIME(4294967296, 0, 0)
|
|
838:59:59
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '4294967296:00:00'
|
|
SELECT MAKETIME(-4294967296, 0, 0);
|
|
MAKETIME(-4294967296, 0, 0)
|
|
-838:59:59
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '-4294967296:00:00'
|
|
SELECT MAKETIME(0, 4294967296, 0);
|
|
MAKETIME(0, 4294967296, 0)
|
|
NULL
|
|
SELECT MAKETIME(0, 0, 4294967296);
|
|
MAKETIME(0, 0, 4294967296)
|
|
NULL
|
|
SELECT MAKETIME(CAST(-1 AS UNSIGNED), 0, 0);
|
|
MAKETIME(CAST(-1 AS UNSIGNED), 0, 0)
|
|
838:59:59
|
|
Warnings:
|
|
Warning 1105 Cast to unsigned converted negative integer to it's positive complement
|
|
Warning 1292 Truncated incorrect time value: '18446744073709551615:00:00'
|
|
SELECT EXTRACT(HOUR FROM '100000:02:03');
|
|
EXTRACT(HOUR FROM '100000:02:03')
|
|
838
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '100000:02:03'
|
|
CREATE TABLE t1(f1 TIME);
|
|
INSERT INTO t1 VALUES('916:00:00 a');
|
|
Warnings:
|
|
Warning 1265 Data truncated for column 'f1' at row 1
|
|
Warning 1264 Out of range value for column 'f1' at row 1
|
|
SELECT * FROM t1;
|
|
f1
|
|
838:59:59
|
|
DROP TABLE t1;
|
|
SELECT SEC_TO_TIME(CAST(-1 AS UNSIGNED));
|
|
SEC_TO_TIME(CAST(-1 AS UNSIGNED))
|
|
838:59:59
|
|
Warnings:
|
|
Warning 1105 Cast to unsigned converted negative integer to it's positive complement
|
|
Warning 1105 Cast to unsigned converted negative integer to it's positive complement
|
|
Warning 1292 Truncated incorrect time value: '18446744073709551615'
|
|
SET NAMES latin1;
|
|
SET character_set_results = NULL;
|
|
SHOW VARIABLES LIKE 'character_set_results';
|
|
Variable_name Value
|
|
character_set_results
|
|
CREATE TABLE testBug8868 (field1 DATE, field2 VARCHAR(32) CHARACTER SET BINARY);
|
|
INSERT INTO testBug8868 VALUES ('2006-09-04', 'abcd');
|
|
SELECT DATE_FORMAT(field1,'%b-%e %l:%i%p') as fmtddate, field2 FROM testBug8868;
|
|
fmtddate field2
|
|
Sep-4 12:00AM abcd
|
|
DROP TABLE testBug8868;
|
|
SET NAMES DEFAULT;
|
|
CREATE TABLE t1 (
|
|
a TIMESTAMP
|
|
);
|
|
INSERT INTO t1 VALUES (now()), (now());
|
|
SELECT 1 FROM t1 ORDER BY MAKETIME(1, 1, a);
|
|
1
|
|
1
|
|
1
|
|
DROP TABLE t1;
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 DAY)),'%H') As H)
|
|
union
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 DAY)),'%H') As H);
|
|
H
|
|
120
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 DAY)),'%k') As H)
|
|
union
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 DAY)),'%k') As H);
|
|
H
|
|
120
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%H') As H)
|
|
union
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%H') As H);
|
|
H
|
|
05
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H)
|
|
union
|
|
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H);
|
|
H
|
|
5
|
|
select last_day('0000-00-00');
|
|
last_day('0000-00-00')
|
|
NULL
|
|
select isnull(week(now() + 0)), isnull(week(now() + 0.2)),
|
|
week(20061108), week(20061108.01), week(20061108085411.000002);
|
|
isnull(week(now() + 0)) isnull(week(now() + 0.2)) week(20061108) week(20061108.01) week(20061108085411.000002)
|
|
0 0 45 NULL 45
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '20061108.01'
|
|
End of 4.1 tests
|
|
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1,
|
|
timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:58:58.119999') as a2;
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
|
Warnings:
|
|
Warning 1287 'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
|
|
Note 1003 select timestampdiff(WEEK,'2001-02-01','2001-05-01') AS `a1`,timestampdiff(SECOND_FRAC,'2001-02-01 12:59:59.120000','2001-05-01 12:58:58.119999') AS `a2`
|
|
select time_format('100:00:00', '%H %k %h %I %l');
|
|
time_format('100:00:00', '%H %k %h %I %l')
|
|
100 100 04 04 4
|
|
SET @old_log_bin_trust_function_creators= @@global.log_bin_trust_function_creators;
|
|
SET GLOBAL log_bin_trust_function_creators = 1;
|
|
create table t1 (a timestamp default '2005-05-05 01:01:01',
|
|
b timestamp default '2005-05-05 01:01:01');
|
|
drop function if exists t_slow_sysdate;
|
|
create function t_slow_sysdate() returns timestamp
|
|
begin
|
|
do sleep(2);
|
|
return sysdate();
|
|
end;
|
|
//
|
|
insert into t1 set a = sysdate(), b = t_slow_sysdate();//
|
|
create trigger t_before before insert on t1
|
|
for each row begin
|
|
set new.b = t_slow_sysdate();
|
|
end
|
|
//
|
|
insert into t1 set a = sysdate();
|
|
select a != b from t1;
|
|
a != b
|
|
1
|
|
1
|
|
drop trigger t_before;
|
|
drop function t_slow_sysdate;
|
|
drop table t1;
|
|
SET GLOBAL log_bin_trust_function_creators = 0;
|
|
create table t1 (a datetime, i int, b datetime);
|
|
insert into t1 select sysdate(), sleep(2), sysdate() from dual;
|
|
select a != b from t1;
|
|
a != b
|
|
1
|
|
drop table t1;
|
|
create procedure t_sysdate()
|
|
begin
|
|
select sysdate() into @a;
|
|
do sleep(2);
|
|
select sysdate() into @b;
|
|
select @a != @b;
|
|
end;
|
|
//
|
|
call t_sysdate();
|
|
@a != @b
|
|
1
|
|
drop procedure t_sysdate;
|
|
SET @@global.log_bin_trust_function_creators= @old_log_bin_trust_function_creators;
|
|
select timestampdiff(month,'2004-09-11','2004-09-11');
|
|
timestampdiff(month,'2004-09-11','2004-09-11')
|
|
0
|
|
select timestampdiff(month,'2004-09-11','2005-09-11');
|
|
timestampdiff(month,'2004-09-11','2005-09-11')
|
|
12
|
|
select timestampdiff(month,'2004-09-11','2006-09-11');
|
|
timestampdiff(month,'2004-09-11','2006-09-11')
|
|
24
|
|
select timestampdiff(month,'2004-09-11','2007-09-11');
|
|
timestampdiff(month,'2004-09-11','2007-09-11')
|
|
36
|
|
select timestampdiff(month,'2005-09-11','2004-09-11');
|
|
timestampdiff(month,'2005-09-11','2004-09-11')
|
|
-12
|
|
select timestampdiff(month,'2005-09-11','2003-09-11');
|
|
timestampdiff(month,'2005-09-11','2003-09-11')
|
|
-24
|
|
select timestampdiff(month,'2004-02-28','2005-02-28');
|
|
timestampdiff(month,'2004-02-28','2005-02-28')
|
|
12
|
|
select timestampdiff(month,'2004-02-29','2005-02-28');
|
|
timestampdiff(month,'2004-02-29','2005-02-28')
|
|
11
|
|
select timestampdiff(month,'2004-02-28','2005-02-28');
|
|
timestampdiff(month,'2004-02-28','2005-02-28')
|
|
12
|
|
select timestampdiff(month,'2004-03-29','2005-03-28');
|
|
timestampdiff(month,'2004-03-29','2005-03-28')
|
|
11
|
|
select timestampdiff(month,'2003-02-28','2004-02-29');
|
|
timestampdiff(month,'2003-02-28','2004-02-29')
|
|
12
|
|
select timestampdiff(month,'2003-02-28','2005-02-28');
|
|
timestampdiff(month,'2003-02-28','2005-02-28')
|
|
24
|
|
select timestampdiff(month,'1999-09-11','2001-10-10');
|
|
timestampdiff(month,'1999-09-11','2001-10-10')
|
|
24
|
|
select timestampdiff(month,'1999-09-11','2001-9-11');
|
|
timestampdiff(month,'1999-09-11','2001-9-11')
|
|
24
|
|
select timestampdiff(year,'1999-09-11','2001-9-11');
|
|
timestampdiff(year,'1999-09-11','2001-9-11')
|
|
2
|
|
select timestampdiff(year,'2004-02-28','2005-02-28');
|
|
timestampdiff(year,'2004-02-28','2005-02-28')
|
|
1
|
|
select timestampdiff(year,'2004-02-29','2005-02-28');
|
|
timestampdiff(year,'2004-02-29','2005-02-28')
|
|
0
|
|
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, day date);
|
|
CREATE TABLE t2 (id int NOT NULL PRIMARY KEY, day date);
|
|
INSERT INTO t1 VALUES
|
|
(1, '2005-06-01'), (2, '2005-02-01'), (3, '2005-07-01');
|
|
INSERT INTO t2 VALUES
|
|
(1, '2005-08-01'), (2, '2005-06-15'), (3, '2005-07-15');
|
|
SELECT * FROM t1, t2
|
|
WHERE t1.day BETWEEN
|
|
'2005.09.01' - INTERVAL 6 MONTH AND t2.day;
|
|
id day id day
|
|
1 2005-06-01 1 2005-08-01
|
|
3 2005-07-01 1 2005-08-01
|
|
1 2005-06-01 2 2005-06-15
|
|
1 2005-06-01 3 2005-07-15
|
|
3 2005-07-01 3 2005-07-15
|
|
SELECT * FROM t1, t2
|
|
WHERE CAST(t1.day AS DATE) BETWEEN
|
|
'2005.09.01' - INTERVAL 6 MONTH AND t2.day;
|
|
id day id day
|
|
1 2005-06-01 1 2005-08-01
|
|
3 2005-07-01 1 2005-08-01
|
|
1 2005-06-01 2 2005-06-15
|
|
1 2005-06-01 3 2005-07-15
|
|
3 2005-07-01 3 2005-07-15
|
|
DROP TABLE t1,t2;
|
|
set time_zone= @@global.time_zone;
|
|
select str_to_date('10:00 PM', '%h:%i %p') + INTERVAL 10 MINUTE;
|
|
str_to_date('10:00 PM', '%h:%i %p') + INTERVAL 10 MINUTE
|
|
NULL
|
|
Warnings:
|
|
Error 1411 Incorrect datetime value: '10:00 PM' for function str_to_date
|
|
select str_to_date("1997-00-04 22:23:00","%Y-%m-%D") + interval 10 minute;
|
|
str_to_date("1997-00-04 22:23:00","%Y-%m-%D") + interval 10 minute
|
|
NULL
|
|
Warnings:
|
|
Error 1411 Incorrect datetime value: '1997-00-04 22:23:00' for function str_to_date
|
|
create table t1 (field DATE);
|
|
insert into t1 values ('2006-11-06');
|
|
select * from t1 where field < '2006-11-06 04:08:36.0';
|
|
field
|
|
2006-11-06
|
|
select * from t1 where field = '2006-11-06 04:08:36.0';
|
|
field
|
|
select * from t1 where field = '2006-11-06';
|
|
field
|
|
2006-11-06
|
|
select * from t1 where CAST(field as DATETIME) < '2006-11-06 04:08:36.0';
|
|
field
|
|
2006-11-06
|
|
select * from t1 where CAST(field as DATE) < '2006-11-06 04:08:36.0';
|
|
field
|
|
2006-11-06
|
|
drop table t1;
|
|
CREATE TABLE t1 (a int, t1 time, t2 time, d date, PRIMARY KEY (a));
|
|
INSERT INTO t1 VALUES (1, '10:00:00', NULL, NULL),
|
|
(2, '11:00:00', '11:15:00', '1972-02-06');
|
|
SELECT t1, t2, SEC_TO_TIME( TIME_TO_SEC( t2 ) - TIME_TO_SEC( t1 ) ), QUARTER(d)
|
|
FROM t1;
|
|
t1 t2 SEC_TO_TIME( TIME_TO_SEC( t2 ) - TIME_TO_SEC( t1 ) ) QUARTER(d)
|
|
10:00:00 NULL NULL NULL
|
|
11:00:00 11:15:00 00:15:00 1
|
|
SELECT t1, t2, SEC_TO_TIME( TIME_TO_SEC( t2 ) - TIME_TO_SEC( t1 ) ), QUARTER(d)
|
|
FROM t1 ORDER BY a DESC;
|
|
t1 t2 SEC_TO_TIME( TIME_TO_SEC( t2 ) - TIME_TO_SEC( t1 ) ) QUARTER(d)
|
|
11:00:00 11:15:00 00:15:00 1
|
|
10:00:00 NULL NULL NULL
|
|
DROP TABLE t1;
|
|
SELECT TIME_FORMAT(SEC_TO_TIME(a),"%H:%i:%s") FROM (SELECT 3020399 AS a UNION SELECT 3020398 ) x GROUP BY 1;
|
|
TIME_FORMAT(SEC_TO_TIME(a),"%H:%i:%s")
|
|
838:59:58
|
|
838:59:59
|
|
set names latin1;
|
|
create table t1 (a varchar(15) character set ascii not null);
|
|
insert into t1 values ('070514-000000');
|
|
select concat(a,ifnull(min(date_format(now(), '%Y-%m-%d')),' ull')) from t1;
|
|
concat(a,ifnull(min(date_format(now(), '%Y-%m-%d')),' ull'))
|
|
#
|
|
set names swe7;
|
|
select concat(a,ifnull(min(date_format(now(), '%Y-%m-%d')),' ull')) from t1;
|
|
ERROR HY000: Illegal mix of collations (ascii_general_ci,IMPLICIT) and (swe7_swedish_ci,COERCIBLE) for operation 'concat'
|
|
set names latin1;
|
|
set lc_time_names=fr_FR;
|
|
select concat(a,ifnull(min(date_format(now(), '%Y-%m-%d')),' ull')) from t1;
|
|
ERROR HY000: Illegal mix of collations (ascii_general_ci,IMPLICIT) and (latin1_swedish_ci,COERCIBLE) for operation 'concat'
|
|
set lc_time_names=en_US;
|
|
drop table t1;
|
|
select DATE_ADD('20071108181000', INTERVAL 1 DAY);
|
|
DATE_ADD('20071108181000', INTERVAL 1 DAY)
|
|
2007-11-09 18:10:00
|
|
select DATE_ADD(20071108181000, INTERVAL 1 DAY);
|
|
DATE_ADD(20071108181000, INTERVAL 1 DAY)
|
|
2007-11-09 18:10:00
|
|
select DATE_ADD('20071108', INTERVAL 1 DAY);
|
|
DATE_ADD('20071108', INTERVAL 1 DAY)
|
|
2007-11-09
|
|
select DATE_ADD(20071108, INTERVAL 1 DAY);
|
|
DATE_ADD(20071108, INTERVAL 1 DAY)
|
|
2007-11-09
|
|
select LAST_DAY('2007-12-06 08:59:19.05') - INTERVAL 1 SECOND;
|
|
LAST_DAY('2007-12-06 08:59:19.05') - INTERVAL 1 SECOND
|
|
2007-12-30 23:59:59
|
|
SELECT TIMESTAMPADD(FRAC_SECOND, 1, '2008-02-18');
|
|
TIMESTAMPADD(FRAC_SECOND, 1, '2008-02-18')
|
|
2008-02-18 00:00:00.000001
|
|
Warnings:
|
|
Warning 1287 'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
|
|
SELECT TIMESTAMPDIFF(FRAC_SECOND, '2008-02-17', '2008-02-18');
|
|
TIMESTAMPDIFF(FRAC_SECOND, '2008-02-17', '2008-02-18')
|
|
86400000000
|
|
Warnings:
|
|
Warning 1287 'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
|
|
SELECT DATE_ADD('2008-02-18', INTERVAL 1 FRAC_SECOND);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FRAC_SECOND)' at line 1
|
|
SELECT DATE_SUB('2008-02-18', INTERVAL 1 FRAC_SECOND);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FRAC_SECOND)' at line 1
|
|
SELECT '2008-02-18' + INTERVAL 1 FRAC_SECOND;
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FRAC_SECOND' at line 1
|
|
SELECT '2008-02-18' - INTERVAL 1 FRAC_SECOND;
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FRAC_SECOND' at line 1
|
|
#
|
|
# Bug #52315 part 2 : utc_date() crashes when system time > year 2037
|
|
#
|
|
SET TIMESTAMP=-147490000;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=2147483648;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=2147483646;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=2147483647;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=0;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=-1;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=1;
|
|
SELECT UTC_TIMESTAMP();
|
|
SET TIMESTAMP=0;
|
|
End of 5.0 tests
|
|
select date_sub("0050-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("0050-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
0049-12-31 23:59:59
|
|
select date_sub("0199-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("0199-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
0198-12-31 23:59:59
|
|
select date_add("0199-12-31 23:59:59",INTERVAL 2 SECOND);
|
|
date_add("0199-12-31 23:59:59",INTERVAL 2 SECOND)
|
|
0200-01-01 00:00:01
|
|
select date_sub("0200-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("0200-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
0199-12-31 23:59:59
|
|
select date_sub("0200-01-01 00:00:01",INTERVAL 1 SECOND);
|
|
date_sub("0200-01-01 00:00:01",INTERVAL 1 SECOND)
|
|
0200-01-01 00:00:00
|
|
select date_sub("0200-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("0200-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
0199-12-31 23:59:59
|
|
select date_add("2001-01-01 23:59:59",INTERVAL -2000 YEAR);
|
|
date_add("2001-01-01 23:59:59",INTERVAL -2000 YEAR)
|
|
0001-01-01 23:59:59
|
|
select date_sub("50-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("50-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
2049-12-31 23:59:59
|
|
select date_sub("90-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("90-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
1989-12-31 23:59:59
|
|
select date_sub("0069-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("0069-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
0068-12-31 23:59:59
|
|
select date_sub("0169-01-01 00:00:01",INTERVAL 2 SECOND);
|
|
date_sub("0169-01-01 00:00:01",INTERVAL 2 SECOND)
|
|
0168-12-31 23:59:59
|
|
CREATE TABLE t1(a DOUBLE NOT NULL);
|
|
INSERT INTO t1 VALUES (0),(9.216e-096);
|
|
# should not crash
|
|
SELECT 1 FROM t1 ORDER BY @x:=makedate(a,a);
|
|
1
|
|
1
|
|
1
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug #52160: crash and inconsistent results when grouping
|
|
# by a function and column
|
|
#
|
|
CREATE TABLE t1(a CHAR(10) NOT NULL);
|
|
INSERT INTO t1 VALUES (''),('');
|
|
SELECT COUNT(*) FROM t1 GROUP BY TIME_TO_SEC(a);
|
|
COUNT(*)
|
|
2
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: ''
|
|
Warning 1292 Truncated incorrect time value: ''
|
|
Warning 1292 Truncated incorrect time value: ''
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#11766112 59151:UNINITIALIZED VALUES IN EXTRACT_DATE_TIME WITH STR_TO_DATE(SPACE(..) ...
|
|
#
|
|
SELECT STR_TO_DATE(SPACE(2),'1');
|
|
STR_TO_DATE(SPACE(2),'1')
|
|
0000-00-00
|
|
#
|
|
# Bug#11765216 58154: UNINITIALIZED VARIABLE FORMAT IN STR_TO_DATE FUNCTION
|
|
#
|
|
SET GLOBAL SQL_MODE='';
|
|
DO STR_TO_DATE((''), FROM_DAYS(@@GLOBAL.SQL_MODE));
|
|
SET GLOBAL SQL_MODE=DEFAULT;
|
|
#
|
|
# Bug#11766087 59125: VALGRIND UNINITIALISED VALUE WARNING IN ULL2DEC, LONGLONG2DECIMAL
|
|
#
|
|
SELECT FORMAT(YEAR(STR_TO_DATE('',GET_FORMAT(TIME,''))),1);
|
|
FORMAT(YEAR(STR_TO_DATE('',GET_FORMAT(TIME,''))),1)
|
|
NULL
|
|
#
|
|
# Bug#11766126 59166: ANOTHER DATETIME VALGRIND UNINITIALIZED WARNING
|
|
#
|
|
SELECT CAST((MONTH(FROM_UNIXTIME(@@GLOBAL.SQL_MODE))) AS BINARY(1025));
|
|
#
|
|
# Bug#11766124 59164: VALGRIND: UNINITIALIZED VALUE IN NUMBER_TO_DATETIME
|
|
#
|
|
SELECT ADDDATE(MONTH(FROM_UNIXTIME(NULL)),INTERVAL 1 HOUR);
|
|
ADDDATE(MONTH(FROM_UNIXTIME(NULL)),INTERVAL 1 HOUR)
|
|
NULL
|
|
#
|
|
# Bug#11889186 60503: CRASH IN MAKE_DATE_TIME WITH DATE_FORMAT / STR_TO_DATE COMBINATION
|
|
#
|
|
SELECT DATE_FORMAT('0000-00-11', '%W');
|
|
DATE_FORMAT('0000-00-11', '%W')
|
|
NULL
|
|
SELECT DATE_FORMAT('0000-00-11', '%a');
|
|
DATE_FORMAT('0000-00-11', '%a')
|
|
NULL
|
|
SELECT DATE_FORMAT('0000-00-11', '%w');
|
|
DATE_FORMAT('0000-00-11', '%w')
|
|
NULL
|
|
#
|
|
# Bug#12403504 AFTER FIX FOR #11889186 : ASSERTION FAILED: DELSUM+(INT) Y/4-TEMP > 0
|
|
#
|
|
SELECT MAKEDATE(11111111,1);
|
|
MAKEDATE(11111111,1)
|
|
NULL
|
|
SELECT WEEK(DATE_ADD(FROM_DAYS(1),INTERVAL 1 MONTH), 1);
|
|
WEEK(DATE_ADD(FROM_DAYS(1),INTERVAL 1 MONTH), 1)
|
|
NULL
|
|
#
|
|
# Bug#12584302 AFTER FIX FOR #12403504: ASSERTION FAILED: DELSUM+(INT) Y/4-TEMP > 0,
|
|
#
|
|
DO WEEK((DATE_ADD((CAST(0 AS DATE)), INTERVAL 1 YEAR_MONTH)), 5);
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
End of 5.1 tests
|
|
select time('10:10:10') > 10;
|
|
time('10:10:10') > 10
|
|
1
|
|
select time('10:10:10') > 1010;
|
|
time('10:10:10') > 1010
|
|
1
|
|
select time('10:10:09') > 101010;
|
|
time('10:10:09') > 101010
|
|
0
|
|
select time('10:10:10') > 101010;
|
|
time('10:10:10') > 101010
|
|
0
|
|
select time('10:10:11') > 101010;
|
|
time('10:10:11') > 101010
|
|
1
|
|
select time(' 1 02:03:04') + interval 9 microsecond;
|
|
time(' 1 02:03:04') + interval 9 microsecond
|
|
26:03:04.000009
|
|
select time(' 1 02:03:04') - interval 9 microsecond;
|
|
time(' 1 02:03:04') - interval 9 microsecond
|
|
26:03:03.999991
|
|
select time('-1 02:03:04') + interval 9 microsecond;
|
|
time('-1 02:03:04') + interval 9 microsecond
|
|
-26:03:03.999991
|
|
select time('-1 02:03:04') - interval 9 microsecond;
|
|
time('-1 02:03:04') - interval 9 microsecond
|
|
-26:03:04.000009
|
|
select time(' 1 02:03:04') + interval '4:4:4' hour_second;
|
|
time(' 1 02:03:04') + interval '4:4:4' hour_second
|
|
30:07:08
|
|
select time(' 1 02:03:04') - interval '4:4:4' hour_second;
|
|
time(' 1 02:03:04') - interval '4:4:4' hour_second
|
|
21:59:00
|
|
select time('-1 02:03:04') + interval '4:4:4' hour_second;
|
|
time('-1 02:03:04') + interval '4:4:4' hour_second
|
|
-21:59:00
|
|
select time('-1 02:03:04') - interval '4:4:4' hour_second;
|
|
time('-1 02:03:04') - interval '4:4:4' hour_second
|
|
-30:07:08
|
|
select time(' 1 02:03:04') + interval 2 day;
|
|
time(' 1 02:03:04') + interval 2 day
|
|
74:03:04
|
|
select time(' 1 02:03:04') - interval 2 day;
|
|
time(' 1 02:03:04') - interval 2 day
|
|
-21:56:56
|
|
select time('-1 02:03:04') + interval 2 day;
|
|
time('-1 02:03:04') + interval 2 day
|
|
21:56:56
|
|
select time('-1 02:03:04') - interval 2 day;
|
|
time('-1 02:03:04') - interval 2 day
|
|
-74:03:04
|
|
select time('10 02:03:04') + interval 30 day;
|
|
time('10 02:03:04') + interval 30 day
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: time field overflow
|
|
select time('10 02:03:04') + interval 1 year;
|
|
time('10 02:03:04') + interval 1 year
|
|
NULL
|
|
Warnings:
|
|
Warning 1441 Datetime function: time field overflow
|
|
select cast('131415.123e0' as time);
|
|
cast('131415.123e0' as time)
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect time value: '131415.123e0'
|
|
select cast('2010-01-02 03:04:05' as datetime) between null and '2010-01-02 03:04:04';
|
|
cast('2010-01-02 03:04:05' as datetime) between null and '2010-01-02 03:04:04'
|
|
0
|
|
select least(time('1:2:3'), '01:02:04', null) div 1;
|
|
least(time('1:2:3'), '01:02:04', null) div 1
|
|
NULL
|
|
select truncate(least(time('1:2:3'), '01:02:04', null), 6);
|
|
truncate(least(time('1:2:3'), '01:02:04', null), 6)
|
|
NULL
|
|
select cast(least(time('1:2:3'), '01:02:04', null) as decimal(3,1));
|
|
cast(least(time('1:2:3'), '01:02:04', null) as decimal(3,1))
|
|
NULL
|
|
select unix_timestamp(null);
|
|
unix_timestamp(null)
|
|
NULL
|
|
select truncate(date('2010-40-10'), 6);
|
|
truncate(date('2010-40-10'), 6)
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '2010-40-10'
|
|
select extract(month from '2010-40-50');
|
|
extract(month from '2010-40-50')
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '2010-40-50'
|
|
select subtime('0000-00-10 10:10:10', '30 10:00:00');
|
|
subtime('0000-00-10 10:10:10', '30 10:00:00')
|
|
NULL
|
|
select cast(str_to_date(NULL, '%H:%i:%s') as time);
|
|
cast(str_to_date(NULL, '%H:%i:%s') as time)
|
|
NULL
|
|
create table t1 (f1 datetime, key (f1));
|
|
insert into t1 values ('2000-09-12 00:00:00'), ('2007-04-25 05:08:49');
|
|
select * from t1 where f1 > time('-23:00:06');
|
|
f1
|
|
2000-09-12 00:00:00
|
|
2007-04-25 05:08:49
|
|
drop table t1;
|
|
select maketime(20,61,10)+0;
|
|
maketime(20,61,10)+0
|
|
NULL
|
|
create table t1 (f2 int not null) ;
|
|
insert into t1 values (0),(0);
|
|
select last_day(f2) from t1;
|
|
last_day(f2)
|
|
NULL
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
select last_day(f2) from t1 where last_day(f2) is null;
|
|
last_day(f2)
|
|
NULL
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
select * from t1 order by last_day (f2);
|
|
f2
|
|
0
|
|
0
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
drop table t1;
|
|
select convert_tz(timediff('0000-00-00 00:00:00', cast('2008-03-26 07:09:06' as datetime)), 'UTC', 'Europe/Moscow');
|
|
convert_tz(timediff('0000-00-00 00:00:00', cast('2008-03-26 07:09:06' as datetime)), 'UTC', 'Europe/Moscow')
|
|
NULL
|
|
create table t1 (f1 integer, f2 date);
|
|
insert into t1 values (1,'2011-05-05'),(2,'2011-05-05'),(3,'2011-05-05'),(4,'2011-05-05'),(5,'2011-05-05'),(6, '2011-05-06');
|
|
select * from t1 where 1 and concat(f2)=MAKEDATE(2011, 125);
|
|
f1 f2
|
|
1 2011-05-05
|
|
2 2011-05-05
|
|
3 2011-05-05
|
|
4 2011-05-05
|
|
5 2011-05-05
|
|
drop table t1;
|
|
create table t1 (f1 timestamp);
|
|
insert into t1 values ('0000-00-00 00:00:00');
|
|
select least(1, f1) from t1;
|
|
least(1, f1)
|
|
0000-00-00 00:00:00
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '1'
|
|
drop table t1;
|
|
select now() > coalesce(time('21:43:24'), date('2010-05-03'));
|
|
now() > coalesce(time('21:43:24'), date('2010-05-03'))
|
|
1
|
|
create table t1 (f1 timestamp);
|
|
select * from t1 where f1 > f1 and f1 <=> timestampadd(hour, 9 , '2010-01-01 16:55:35');
|
|
f1
|
|
drop table t1;
|
|
create table t1 (f1 date);
|
|
insert into t1 values ('0000-00-00');
|
|
select timestampadd(week, 1, f1) from t1;
|
|
timestampadd(week, 1, f1)
|
|
NULL
|
|
select timestampadd(week, 1, date("0000-00-00"));
|
|
timestampadd(week, 1, date("0000-00-00"))
|
|
NULL
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0000-00-00'
|
|
drop table t1;
|
|
create table t1 (f2 time not null, f3 datetime, f4 int not null, f5 timestamp);
|
|
insert ignore t1 values ('04:38:11','0000-00-00 00:00:00',0,'0000-00-00 00:00:00');
|
|
select least(greatest(f3, f2, f4), f5) from t1;
|
|
least(greatest(f3, f2, f4), f5)
|
|
0000-00-00 00:00:00
|
|
Warnings:
|
|
Warning 1292 Incorrect datetime value: '0'
|
|
drop table t1;
|
|
select day(coalesce(null));
|
|
day(coalesce(null))
|
|
NULL
|
|
select timestamp(greatest('2002-08-20', '0000-00-00 00:00:00'));
|
|
timestamp(greatest('2002-08-20', '0000-00-00 00:00:00'))
|
|
2002-08-20 00:00:00
|
|
create table t1 (f1 datetime);
|
|
insert into t1 values ('0000-00-00 00:00:00');
|
|
select cast(f1 AS time) from t1;
|
|
cast(f1 AS time)
|
|
00:00:00
|
|
drop table t1;
|
|
select greatest(cast("0-0-0" as date), cast("10:20:05" as time));
|
|
greatest(cast("0-0-0" as date), cast("10:20:05" as time))
|
|
0000-00-00
|
|
select greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '0000-00-00';
|
|
greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '0000-00-00'
|
|
1
|
|
select cast(greatest(cast("0-0-0" as date), cast("10:20:05" as time)) as datetime(6));
|
|
cast(greatest(cast("0-0-0" as date), cast("10:20:05" as time)) as datetime(6))
|
|
0000-00-00 00:00:00.000000
|
|
select microsecond('12:00:00.123456'), microsecond('2009-12-31 23:59:59.000010');
|
|
microsecond('12:00:00.123456') microsecond('2009-12-31 23:59:59.000010')
|
|
123456 10
|