diff options
Diffstat (limited to 'src/backend/utils/adt/selfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/selfuncs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c index c4fcd0076ea..4ea5415f204 100644 --- a/src/backend/utils/adt/selfuncs.c +++ b/src/backend/utils/adt/selfuncs.c @@ -4802,6 +4802,10 @@ convert_timevalue_to_scalar(Datum value, Oid typid, bool *failure) * Convert the month part of Interval to days using assumed * average month length of 365.25/12.0 days. Not too * accurate, but plenty good enough for our purposes. + * + * This also works for infinite intervals, which just have all + * fields set to INT_MIN/INT_MAX, and so will produce a result + * smaller/larger than any finite interval. */ return interval->time + interval->day * (double) USECS_PER_DAY + interval->month * ((DAYS_PER_YEAR / (double) MONTHS_PER_YEAR) * USECS_PER_DAY); |