1From 383b1dda4800c2514cb31446cd7478692d7d26cf Mon Sep 17 00:00:00 2001 2From: Khem Raj <raj.khem@gmail.com> 3Date: Wed, 3 Mar 2021 12:43:16 -0800 4Subject: [PATCH] include needed c++ header 5 6Fixes 7plan_stats.h:214:10: error: 'optional' in namespace 'std' does not name a template type 8 9Upstream-Status: Pending 10Signed-off-by: Khem Raj <raj.khem@gmail.com> 11--- 12 src/mongo/db/exec/plan_stats.h | 1 + 13 1 file changed, 1 insertion(+) 14 15diff --git a/src/mongo/db/exec/plan_stats.h b/src/mongo/db/exec/plan_stats.h 16index ea75f673b8..0cc9b4636d 100644 17--- a/src/mongo/db/exec/plan_stats.h 18+++ b/src/mongo/db/exec/plan_stats.h 19@@ -31,6 +31,7 @@ 20 21 #include <cstdint> 22 #include <cstdlib> 23+#include <optional> 24 #include <string> 25 #include <vector> 26 27-- 282.30.1 29 30