From 0dc34018b691719b4a8f4bf0f8b88aff8d331025 Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Wed, 8 Mar 2023 10:06:48 +0800
Subject: [PATCH] fix: insert data crash after empty table last cache

---
 source/dnode/vnode/src/tsdb/tsdbCache.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index c92967f7f4..dcf7286c00 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -375,9 +375,6 @@ int32_t tsdbCacheInsertLast(SLRUCache *pCache, tb_uid_t uid, TSDBROW *row, STsdb
 
         SLastCol lastCol = {.ts = keyTs, .colVal = colVal};
         if (IS_VAR_DATA_TYPE(colVal.type) && colVal.value.nData > 0) {
-          SLastCol *pLastCol = (SLastCol *)taosArrayGet(pLast, iCol);
-          taosMemoryFree(pLastCol->colVal.value.pData);
-
           lastCol.colVal.value.pData = taosMemoryMalloc(colVal.value.nData);
           if (lastCol.colVal.value.pData == NULL) {
             terrno = TSDB_CODE_OUT_OF_MEMORY;
-- 
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