From 12d1fbf56c1c82d4659da484c2207539f396aac9 Mon Sep 17 00:00:00 2001
From: Alexander Pyhalov <a.pyhalov@postgrespro.ru>
Date: Fri, 21 Apr 2023 12:54:41 +0300
Subject: [PATCH] Fix buffer refcount leak

The buffer refcount leak was introduced
in b676ac443b6a83558d4701b2dd9491c0b37e17c4
---
 src/backend/executor/nodeModifyTable.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index 6aa8c03defb..14ab8382183 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -1261,6 +1261,12 @@ ExecBatchInsert(ModifyTableState *mtstate,
 
 	if (canSetTag && numInserted > 0)
 		estate->es_processed += numInserted;
+
+	for (i = 0; i < numSlots; i++)
+	{
+		ExecClearTuple(slots[i]);
+		ExecClearTuple(planSlots[i]);
+	}
 }
 
 /*
-- 
2.34.1