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Fix "Y-2K" problem with two-digit BC dates being corrected by two millenia.

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They are not corrected now.
Allow the date type to accept BC dates.
Share more date/time validation declarations through dt.h.
This commit is contained in:
Thomas G. Lockhart
1999-01-20 16:29:39 +00:00
parent 791822e3a7
commit 1ace93c46c
2 changed files with 88 additions and 16 deletions
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7
src/backend/utils/adt/datetime.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.26 1998/12/31 16:30:56 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.27 1999/01/20 16:29:39 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -27,12 +27,13 @@
static int date2tm(DateADT dateVal, int *tzp, struct tm * tm, double *fsec, char **tzn);
#if 0
static int day_tab[2][12] = {
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
#define isleap(y) (((y % 4) == 0 && (y % 100) != 0) || (y % 400) == 0)
#endif
#define UTIME_MINYEAR (1901)
#define UTIME_MINMONTH (12)
@ -99,10 +100,12 @@ date_in(char *str)
elog(ERROR, "Unrecognized date external representation %s", str);
}
#if 0
if (tm->tm_year < 0 || tm->tm_year > 32767)
elog(ERROR, "date_in: year must be limited to values 0 through 32767 in '%s'", str);
if (tm->tm_mon < 1 || tm->tm_mon > 12)
elog(ERROR, "date_in: month must be limited to values 1 through 12 in '%s'", str);
#endif
if (tm->tm_mday < 1 || tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1])
elog(ERROR, "date_in: day must be limited to values 1 through %d in '%s'",
day_tab[isleap(tm->tm_year)][tm->tm_mon - 1], str);