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WL#1175: more default_week_formats for iso compatibility

New formats added for 'week()' function and 'default_week_format' option(4 - 7).
Next formats is supported now:
*Value* *Meaning*
  `0'     Week starts on Sunday; First Sunday of the year starts week 1.
  	  Week() returns 0-53.
  `1'     Week starts on Monday; Weeks numbered according to ISO 8601:1988.
	  Week() returns 0-53.
  `2'     Week starts on Sunday; First Sunday of the year starts week 1.
  	  Week() returns 1-53.
  `3'     Week starts on Monday; Weeks numbered according to ISO 8601:1988.
	  Week() returns 1-53.
  `4'     Week starts on Sunday; Weeks numbered according to ISO 8601:1988.
	  Week() returns 0-53.
  `5'     Week starts on Monday;  First Monday of the year starts week 1.
  	  Week() returns 0-53.
  `6'     Week starts on Sunday; Weeks numbered according to ISO 8601:1988.
	  Week() returns 1-53.
  `7'     Week starts on Monday;  First Monday of the year starts week 1.
  	  Week() returns 1-53.
This commit is contained in:
gluh@gluh.mysql.r18.ru
2003-12-07 15:10:21 +04:00
parent 0b7ccfa882
commit 4831778587
6 changed files with 145 additions and 40 deletions

View File

@ -95,11 +95,34 @@ week(19981231,2) week(19981231,3) week(20000101,2) week(20000101,3)
52 53 52 52
select week(20001231,2),week(20001231,3);
week(20001231,2) week(20001231,3)
1 52
53 52
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';
0 1 2 3 4 5 6 7
52 53 52 53 52 52 52 52
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';
0 1 2 3 4 5 6 7
0 0 52 52 0 0 52 52
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';
0 1 2 3 4 5 6 7
1 1 1 1 1 1 1 1
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';
0 1 2 3 4 5 6 7
53 52 53 52 53 52 1 52
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';
0 1 2 3 4 5 6 7
0 1 53 1 1 1 1 1
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);
yearweek(20001231,0) yearweek(20001231,1) yearweek(20001231,2) yearweek(20001231,3) yearweek(20001231,4) yearweek(20001231,5) yearweek(20001231,6) yearweek(20001231,7)
200053 200052 200053 200052 200101 200052 200101 200052
set default_week_format = 6;
select week(20001231), week(20001231,6);
week(20001231) week(20001231,6)
1 1
set default_week_format = 0;
set default_week_format = 2;
select week(20001231),week(20001231,2),week(20001231,0);
week(20001231) week(20001231,2) week(20001231,0)
1 1 53
53 53 53
set default_week_format = 0;
select date_format('1998-12-31','%x-%v'),date_format('1999-01-01','%x-%v');
date_format('1998-12-31','%x-%v') date_format('1999-01-01','%x-%v')

View File

@ -39,6 +39,18 @@ select yearweek("2000-01-06",1) as '2000', yearweek("2001-01-06",1) as '2001', y
select week(19981231,2), week(19981231,3), week(20000101,2), week(20000101,3);
select week(20001231,2),week(20001231,3);
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';
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';
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';
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';
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';
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);
set default_week_format = 6;
select week(20001231), week(20001231,6);
set default_week_format = 0;
set default_week_format = 2;
select week(20001231),week(20001231,2),week(20001231,0);
set default_week_format = 0;