From 041197fb4ca1cd7cf18dc426ce38647267823668 Mon Sep 17 00:00:00 2001
From: dblythy <daniel-blyth@live.com.au>
Date: Sun, 27 Mar 2022 01:29:39 +1100
Subject: [PATCH] perf: reduce database operations when using the constant
 parameter in Cloud Function validation (#7892)

---
 src/triggers.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/triggers.js b/src/triggers.js
index 8320b5fb74..360166d0aa 100644
--- a/src/triggers.js
+++ b/src/triggers.js
@@ -738,7 +738,7 @@ async function builtInTriggerValidator(options, request, auth) {
         }
         if (opt.constant && request.object) {
           if (request.original) {
-            request.object.set(key, request.original.get(key));
+            request.object.revert(key);
           } else if (opt.default != null) {
             request.object.set(key, opt.default);
           }