From 91ba19efdc4713903584c6161cfdd7b91b0e61f9 Mon Sep 17 00:00:00 2001
From: Eric Adum <eric.adum@mongodb.com>
Date: Thu, 25 Mar 2021 18:30:08 -0400
Subject: [PATCH] fix: ensure cursor readPreference is applied to find
 operations (#2751)

---
 lib/operations/find.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/operations/find.js b/lib/operations/find.js
index 4cf697f5f5..97ecdb8d2b 100644
--- a/lib/operations/find.js
+++ b/lib/operations/find.js
@@ -20,6 +20,9 @@ class FindOperation extends OperationBase {
     // copied from `CommandOperationV2`, to be subclassed in the future
     this.server = server;
 
+    // updates readPreference if setReadPreference was called on the cursor
+    this.readPreference = ReadPreference.resolve(this, this.options);
+
     if (typeof this.cmd.allowDiskUse !== 'undefined' && maxWireVersion(server) < 4) {
       callback(new MongoError('The `allowDiskUse` option is not supported on MongoDB < 3.2'));
       return;