From ac5091b6ac744cb186c527c50078709fab1d13f9 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Sun, 16 Sep 2007 15:56:39 +0000 Subject: [PATCH] Fix overflow in extract(epoch from interval) for intervals exceeding 68 years. Seems to have been introduced in 8.1 by careless SECS_PER_DAY search-and-replace. --- src/backend/utils/adt/timestamp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c index 2cf4f5878b9..b00caeee93c 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 1.157.2.1 2005/11/22 18:23:22 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.157.2.2 2007/09/16 15:56:39 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -3979,9 +3979,9 @@ interval_part(PG_FUNCTION_ARGS) #else result = interval->time; #endif - result += (DAYS_PER_YEAR * SECS_PER_DAY) * (interval->month / MONTHS_PER_YEAR); + result += ((double) DAYS_PER_YEAR * SECS_PER_DAY) * (interval->month / MONTHS_PER_YEAR); result += ((double) DAYS_PER_MONTH * SECS_PER_DAY) * (interval->month % MONTHS_PER_YEAR); - result += interval->day * SECS_PER_DAY; + result += ((double) SECS_PER_DAY) * interval->day; } else {