From fe6772f940c0638861348e26b5eafa9d20b3924e Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Mon, 1 Aug 2022 20:09:10 +0800
Subject: [PATCH] refactor: do some internal refactor.

---
 source/common/src/tdatablock.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 9cd00b4cb2..8d3fbd8792 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -1183,15 +1183,12 @@ static int32_t doEnsureCapacity(SColumnInfoData* pColumn, const SDataBlockInfo*
 void colInfoDataCleanup(SColumnInfoData* pColumn, uint32_t numOfRows) {
   if (IS_VAR_DATA_TYPE(pColumn->info.type)) {
     pColumn->varmeta.length = 0;
-    if (pColumn->varmeta.offset > 0) {
+    if (pColumn->varmeta.offset != NULL) {
       memset(pColumn->varmeta.offset, 0, sizeof(int32_t) * numOfRows);
     }
   } else {
     if (pColumn->nullbitmap != NULL) {
       memset(pColumn->nullbitmap, 0, BitmapLen(numOfRows));
-      if (pColumn->pData != NULL) {
-        memset(pColumn->pData, 0, pColumn->info.bytes * numOfRows);
-      }
     }
   }
 }