From 6272d059e76836d7e4700b5320683d262bf5ec0b Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Mon, 10 Jun 2024 13:50:03 -0400
Subject: [PATCH] fix: guard against infinite loop during topic purge batch
 call

---
 src/topics/delete.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/topics/delete.js b/src/topics/delete.js
index 4e7f5d1400..267190b75b 100644
--- a/src/topics/delete.js
+++ b/src/topics/delete.js
@@ -64,6 +64,7 @@ module.exports = function (Topics) {
 		const mainPid = await Topics.getTopicField(tid, 'mainPid');
 		await batch.processSortedSet(`tid:${tid}:posts`, async (pids) => {
 			await posts.purge(pids, uid);
+			await db.sortedSetRemove(`tid:${tid}:posts`, pids); // Guard against infinite loop if pid already does not exist in db
 		}, { alwaysStartAt: 0, batch: 500 });
 		await posts.purge(mainPid, uid);
 		await Topics.purge(tid, uid);