From c0ba036b774b8e35567dccce421890d2199f30ce Mon Sep 17 00:00:00 2001 From: Sergey Vojtovich Date: Sat, 23 Mar 2019 17:12:23 +0400 Subject: [PATCH] Fixed build failure --- sql/item_sum.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sql/item_sum.cc b/sql/item_sum.cc index f10fd61bd18..9fa146593d8 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -2042,7 +2042,7 @@ double Item_sum_std::val_real() { DBUG_ASSERT(fixed == 1); double nr= Item_sum_variance::val_real(); - if (isnan(nr)) + if (std::isnan(nr)) { /* variance_fp_recurrence_next() can overflow in some cases and return "nan":