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WL#1175: more default_week_formats for iso compatibility

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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
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8
sql/mysql_priv.h
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@ -247,6 +247,11 @@ void debug_sync_point(const char* lock_name, uint lock_timeout);
#define tmp_file_prefix "#sql" /* Prefix for tmp tables */
#define tmp_file_prefix_length 4
/* Flags for calc_week() function. */
#define WEEK_MONDAY_FIRST 1
#define WEEK_YEAR 2
#define WEEK_FIRST_WEEKDAY 4
struct st_table;
class THD;
@ -806,8 +811,7 @@ ha_rows filesort(TABLE *form,struct st_sort_field *sortorder, uint s_length,
void change_double_for_sort(double nr,byte *to);
int get_quick_record(SQL_SELECT *select);
int calc_weekday(long daynr,bool sunday_first_day_of_week);
uint calc_week(TIME *ltime, bool with_year, bool sunday_first_day_of_week,
uint *year);
uint calc_week(TIME *l_time, uint week_behaviour, uint *year);
void find_date(char *pos,uint *vek,uint flag);
TYPELIB *convert_strings_to_array_type(my_string *typelibs, my_string *end);
TYPELIB *typelib(List<String> &strings);