diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/pgtime.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/include/pgtime.h b/src/include/pgtime.h index 28bd27e7f79..92350527f65 100644 --- a/src/include/pgtime.h +++ b/src/include/pgtime.h @@ -22,14 +22,21 @@ typedef int64 pg_time_t; +/* + * CAUTION: the IANA timezone library (src/timezone/) follows the POSIX + * convention that tm_mon counts from 0 and tm_year is relative to 1900. + * However, Postgres' datetime functions generally treat tm_mon as counting + * from 1 and tm_year as relative to 1 BC. Be sure to make the appropriate + * adjustments when moving from one code domain to the other. + */ struct pg_tm { int tm_sec; int tm_min; int tm_hour; int tm_mday; - int tm_mon; /* origin 1, not 0! */ - int tm_year; /* relative to 1900 */ + int tm_mon; /* see above */ + int tm_year; /* see above */ int tm_wday; int tm_yday; int tm_isdst; |