From 03b1ec08d1c72b30fffe068a3eb2061c38a3b2a9 Mon Sep 17 00:00:00 2001
From: Shungang Li <sgli@taosdata.com>
Date: Sat, 7 Sep 2024 17:45:16 +0800
Subject: [PATCH] fix: (last) mergeLastCid add check for iCol

---
 source/dnode/vnode/src/tsdb/tsdbCache.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index 8056245de9..2b76e8841d 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -3221,6 +3221,10 @@ static int32_t mergeLastCid(tb_uid_t uid, STsdb *pTsdb, SArray **ppLastArray, SC
         break;
       }
       // high version's column value
+      if (slotIds[iCol] > pTSchema->numOfCols - 1) {
+        continue;
+      }
+
       SLastCol *lastColVal = (SLastCol *)taosArrayGet(pColArray, iCol);
       if (lastColVal->colVal.cid != pTSchema->columns[slotIds[iCol]].colId) {
         continue;