From 3cb499a3c2aac549e0dc04f7949083f5519761c8 Mon Sep 17 00:00:00 2001
From: Tim Alby <timothee.alby@gmail.com>
Date: Wed, 6 Jun 2018 15:46:41 +0200
Subject: [PATCH] add comment

---
 services/web/app/coffee/Features/User/UserGetter.coffee | 1 +
 1 file changed, 1 insertion(+)

diff --git a/services/web/app/coffee/Features/User/UserGetter.coffee b/services/web/app/coffee/Features/User/UserGetter.coffee
index 3160258b24..2e6d4eada6 100644
--- a/services/web/app/coffee/Features/User/UserGetter.coffee
+++ b/services/web/app/coffee/Features/User/UserGetter.coffee
@@ -37,6 +37,7 @@ module.exports = UserGetter =
 		if arguments.length == 2
 			callback = projection
 			projection = {}
+		# $exists: true MUST be set to use the partial index
 		query = emails: { $exists: true }, 'emails.email': email
 		db.users.findOne query, projection, (error, user) =>
 			return callback(error, user) if error? or user?