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| author | Bruce Momjian <bruce@momjian.us> | 2005-07-22 05:08:26 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2005-07-22 05:08:26 +0000 |
| commit | 75e5aba7fef5372178cae43fdf18418ae2757279 (patch) | |
| tree | d84003f2b153b95b6b7523a76e77cfc9173011d2 /src/interfaces/ecpg/pgtypeslib | |
| parent | a07628b0706cf17635b1bac9160647cf49335ec1 (diff) | |
| download | postgresql-75e5aba7fef5372178cae43fdf18418ae2757279.tar.gz postgresql-75e5aba7fef5372178cae43fdf18418ae2757279.zip | |
Update date/time comments.
Diffstat (limited to 'src/interfaces/ecpg/pgtypeslib')
| -rw-r--r-- | src/interfaces/ecpg/pgtypeslib/dt.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/interfaces/ecpg/pgtypeslib/dt.h b/src/interfaces/ecpg/pgtypeslib/dt.h index baf0e0a3183..abdc3c272b9 100644 --- a/src/interfaces/ecpg/pgtypeslib/dt.h +++ b/src/interfaces/ecpg/pgtypeslib/dt.h @@ -223,14 +223,16 @@ do { \ * DAYS_PER_MONTH is very imprecise. The more accurate value is * 365.2425/12 = 30.436875, or '30 days 10:29:06'. Right now we only * return an integral number of days, but someday perhaps we should - * also return a 'time' value to be used as well. + * also return a 'time' value to be used as well. ISO 8601 suggests + * 30 days. */ #define DAYS_PER_MONTH 30 /* assumes exactly 30 days per month */ #define HOURS_PER_DAY 24 /* assume no daylight savings time changes */ /* * This doesn't adjust for uneven daylight savings time intervals or leap - * seconds, and it crudely estimates leap years. + * seconds, and it crudely estimates leap years. A more accurate value + * for days per years is 365.2422. */ #define SECS_PER_YEAR (36525 * 864) /* avoid floating-point computation */ #define SECS_PER_DAY 86400 |