From 255537dda1145a38b712473ca8d5281dca113cfd Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki@neon.tech>
Date: Thu, 5 Jun 2025 20:08:32 +0300
Subject: [PATCH] avoid hitting assertion failure in
 MarkPostmasterChildWalSender()

---
 pgxn/neon/communicator_new.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pgxn/neon/communicator_new.c b/pgxn/neon/communicator_new.c
index b06a740d2a..1b31909bb1 100644
--- a/pgxn/neon/communicator_new.c
+++ b/pgxn/neon/communicator_new.c
@@ -232,6 +232,7 @@ communicator_new_bgworker_main(Datum main_arg)
 	 * sequence: WAL senders are shut down last, after the final checkpoint
 	 * has been written. That's what we want for the communicator process too
 	 */
+	am_walsender = true;
 	MarkPostmasterChildWalSender();
 
 	/* lfc_size_limit is in MBs */