From 794ce3a54cd7995c00fa6f827bd27d4e0ac92bb0 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Sun, 22 Sep 2024 09:10:05 -0700
Subject: [PATCH] Updated comment [skip ci]

---
 src/hnswscan.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hnswscan.c b/src/hnswscan.c
index 302797f..cfad6f7 100644
--- a/src/hnswscan.c
+++ b/src/hnswscan.c
@@ -235,7 +235,8 @@ hnswgettuple(IndexScanDesc scan, ScanDirection dir)
 			{
 				/*
 				 * Ensure vacuum does not mark tuples as deleted during an
-				 * iteration
+				 * iteration. This ensures indextids in NeighborTuple point to
+				 * the correct element without needing version for each one.
 				 */
 				LockPage(scan->indexRelation, HNSW_SCAN_LOCK, ShareLock);