From 217133137bc353b5d9950d2db186e3592f0e3ae1 Mon Sep 17 00:00:00 2001
From: Stefan Zermatten <stefanzermatten@gmail.com>
Date: Thu, 29 Apr 2021 11:34:58 +0200
Subject: [PATCH] Added note to improve query performance with root ancestor
 targeting

---
 app/imports/api/parenting/ChildSchema.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/imports/api/parenting/ChildSchema.js b/app/imports/api/parenting/ChildSchema.js
index e5dac848..98bc4ae9 100644
--- a/app/imports/api/parenting/ChildSchema.js
+++ b/app/imports/api/parenting/ChildSchema.js
@@ -4,6 +4,11 @@ const RefSchema = new SimpleSchema({
   id: {
     type: String,
     regEx: SimpleSchema.RegEx.Id,
+    // TODO: Rather than indexing this field, index `ancestors.0.id` to only
+    // index the root of the ancestor heirarchy to significantly reduce
+    // index size and improve performance
+    // All queries on an ancestor document need to target `ancestors.0.id` first
+    // before targeting a younger ancestor
     index: 1
   },
   collection: {