From 7582b7e4df6574ff66043b8d542a30edc5fdc76a Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Fri, 23 Oct 2020 12:45:17 +0800
Subject: [PATCH] [td-1373]

---
 src/common/src/tvariant.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/common/src/tvariant.c b/src/common/src/tvariant.c
index 005def6dc5..bfd6ca0184 100644
--- a/src/common/src/tvariant.c
+++ b/src/common/src/tvariant.c
@@ -151,8 +151,11 @@ void tVariantAssign(tVariant *pDst, const tVariant *pSrc) {
     if (pSrc->nType == TSDB_DATA_TYPE_NCHAR) {
       len = len * TSDB_NCHAR_SIZE;
     }
-    
-    pDst->pz = calloc(1, len);
+
+    char* p = realloc(pDst->pz, len);
+    assert(p);
+
+    memset(pDst->pz, 0, len);
     memcpy(pDst->pz, pSrc->pz, len);
     return;
   }
-- 
GitLab