diff options
Diffstat (limited to 'src/backend/access/brin/brin_minmax_multi.c')
| -rw-r--r-- | src/backend/access/brin/brin_minmax_multi.c | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/src/backend/access/brin/brin_minmax_multi.c b/src/backend/access/brin/brin_minmax_multi.c index 37706e5bf28..9811451b542 100644 --- a/src/backend/access/brin/brin_minmax_multi.c +++ b/src/backend/access/brin/brin_minmax_multi.c @@ -2160,45 +2160,20 @@ brin_minmax_multi_distance_interval(PG_FUNCTION_ARGS) Interval *ia = PG_GETARG_INTERVAL_P(0); Interval *ib = PG_GETARG_INTERVAL_P(1); - Interval *result; int64 dayfraction; int64 days; - result = (Interval *) palloc(sizeof(Interval)); - - result->month = ib->month - ia->month; - /* overflow check copied from int4mi */ - if (!SAMESIGN(ib->month, ia->month) && - !SAMESIGN(result->month, ib->month)) - ereport(ERROR, - (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE), - errmsg("interval out of range"))); - - result->day = ib->day - ia->day; - if (!SAMESIGN(ib->day, ia->day) && - !SAMESIGN(result->day, ib->day)) - ereport(ERROR, - (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE), - errmsg("interval out of range"))); - - result->time = ib->time - ia->time; - if (!SAMESIGN(ib->time, ia->time) && - !SAMESIGN(result->time, ib->time)) - ereport(ERROR, - (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE), - errmsg("interval out of range"))); - /* * Delta is (fractional) number of days between the intervals. Assume * months have 30 days for consistency with interval_cmp_internal. We * don't need to be exact, in the worst case we'll build a bit less * efficient ranges. But we should not contradict interval_cmp. */ - dayfraction = result->time % USECS_PER_DAY; - days = result->time / USECS_PER_DAY; - days += result->month * INT64CONST(30); - days += result->day; + dayfraction = (ib->time % USECS_PER_DAY) - (ia->time % USECS_PER_DAY); + days = (ib->time / USECS_PER_DAY) - (ia->time / USECS_PER_DAY); + days += (int64) ib->day - (int64) ia->day; + days += ((int64) ib->month - (int64) ia->month) * INT64CONST(30); /* convert to double precision */ delta = (double) days + dayfraction / (double) USECS_PER_DAY; |