From b4c5d6a81d29f097196901ff36bda103dd534a6d Mon Sep 17 00:00:00 2001
From: reshke <reshke@double.cloud>
Date: Mon, 22 Sep 2025 12:47:17 +0000
Subject: [PATCH v2 2/6] Better gin pg_waldump

---
 src/backend/access/rmgrdesc/gindesc.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/backend/access/rmgrdesc/gindesc.c b/src/backend/access/rmgrdesc/gindesc.c
index 229675775ff..9d5c944151b 100644
--- a/src/backend/access/rmgrdesc/gindesc.c
+++ b/src/backend/access/rmgrdesc/gindesc.c
@@ -150,10 +150,19 @@ gin_desc(StringInfo buf, XLogReaderState *record)
 			/* no further information */
 			break;
 		case XLOG_GIN_UPDATE_META_PAGE:
-			/* no further information */
+			{
+				int32		ntuples;
+				ntuples = ((ginxlogUpdateMeta *) rec)->ntuples;
+				appendStringInfo(buf, "ntuples: %d", ntuples);
+				if (ntuples == 0)
+					appendStringInfo(buf, " prevTail: %d newRightLink: %d",
+								((ginxlogUpdateMeta *) rec)->prevTail,
+								((ginxlogUpdateMeta *) rec)->newRightlink);
+			}
 			break;
 		case XLOG_GIN_INSERT_LISTPAGE:
-			/* no further information */
+			appendStringInfo(buf, "ntuples: %d",
+							 ((ginxlogInsertListPage *) rec)->ntuples);
 			break;
 		case XLOG_GIN_DELETE_LISTPAGE:
 			appendStringInfo(buf, "ndeleted: %d",
-- 
2.43.0