From 6b458351cc1912961949349fd1d78e13bddebe9c Mon Sep 17 00:00:00 2001
From: Michael P
Date: Thu, 5 Jan 2012 10:24:37 +0900
Subject: Correct float8 collection

Bug reported by sch19831106 and patch by the same person
---
 src/backend/utils/adt/float.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index b7389cdad0..771665b028 100644
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -2761,7 +2761,7 @@ float8_collect(PG_FUNCTION_ARGS)
 	N += transvalues[0];
 	sumX += transvalues[1];
 	CHECKFLOATVAL(sumX, isinf(collectvalues[1]) || isinf(transvalues[1]), true);
-	sumX2 += transvalues[2] * transvalues[2];
+	sumX2 += transvalues[2];
 	CHECKFLOATVAL(sumX2, isinf(collectvalues[2]) || isinf(transvalues[2]), true);
 
 	/*
-- 
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