diff options
Diffstat (limited to 'src/backend/utils/adt/timestamp.c')
| -rw-r--r-- | src/backend/utils/adt/timestamp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c index 632c97ef2fd..8b64711e635 100644 --- a/src/backend/utils/adt/timestamp.c +++ b/src/backend/utils/adt/timestamp.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.128 2005/06/30 03:48:58 neilc Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.129 2005/07/04 14:38:31 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -2793,9 +2793,12 @@ timestamp_trunc(PG_FUNCTION_ARGS) /* * If it is week 52/53 and the month is January, * then the week must belong to the previous year. + * Also, some December dates belong to the next year. */ if (woy >= 52 && tm->tm_mon == 1) --tm->tm_year; + if (woy <= 1 && tm->tm_mon == 12) + ++tm->tm_year; isoweek2date(woy, &(tm->tm_year), &(tm->tm_mon), &(tm->tm_mday)); tm->tm_hour = 0; tm->tm_min = 0; @@ -2924,9 +2927,12 @@ timestamptz_trunc(PG_FUNCTION_ARGS) /* * If it is week 52/53 and the month is January, * then the week must belong to the previous year. + * Also, some December dates belong to the next year. */ if (woy >= 52 && tm->tm_mon == 1) --tm->tm_year; + if (woy <= 1 && tm->tm_mon == 12) + ++tm->tm_year; isoweek2date(woy, &(tm->tm_year), &(tm->tm_mon), &(tm->tm_mday)); tm->tm_hour = 0; tm->tm_min = 0; |