v24-0006-Make-Bitmap-Table-Scan-prefetch-sync-error-more-.patch

From 9760486fabdccd58b5763a1a4cbc3e88a6b59ffb Mon Sep 17 00:00:00 2001
From: Melanie Plageman <melanieplageman@gmail.com>
Date: Mon, 10 Jun 2024 12:40:58 -0400
Subject: [PATCH v24 06/12] Make Bitmap Table Scan prefetch sync error more
 detailed

Add the prefetch and current block numbers to the error message emitted
when the prefetch iterator gets out of sync with the main iterator in
serial bitmap table scan.
---
 src/backend/executor/nodeBitmapHeapscan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/executor/nodeBitmapHeapscan.c b/src/backend/executor/nodeBitmapHeapscan.c
index fb747cb9e2..d7944eccd5 100644
--- a/src/backend/executor/nodeBitmapHeapscan.c
+++ b/src/backend/executor/nodeBitmapHeapscan.c
@@ -274,7 +274,7 @@ new_page:
 		if (node->pstate == NULL &&
 			!tbm_exhausted(&node->prefetch_iterator) &&
 			node->pfblockno < node->blockno)
-			elog(ERROR, "prefetch and main iterators are out of sync");
+			elog(ERROR, "prefetch and main iterators are out of sync. pfblockno: %d. blockno: %d", node->pfblockno, node->blockno);
 
 		/* Adjust the prefetch target */
 		BitmapAdjustPrefetchTarget(node);
-- 
2.45.2