From 72d109d6e438271cd9b8258ed2a3695b3472ca7c Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Fri, 7 Jun 2002 23:41:53 +0000 Subject: [PATCH] Fix for factorial(0::int2) returning 1, from sugita@sra.co.jp. --- src/backend/utils/adt/int.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c index 408677d41f..83dd162804 100644 --- a/src/backend/utils/adt/int.c +++ b/src/backend/utils/adt/int.c @@ -800,7 +800,9 @@ int2fac(PG_FUNCTION_ARGS) int16 arg1 = PG_GETARG_INT16(0); int32 result; - if (arg1 < 1) + if (arg1 == 0) + result = 1; + else if (arg1 < 1) result = 0; else for (result = 1; arg1 > 0; --arg1) -- 2.39.5