From d9662eb67fffa8e5785f024300da7063f705f0ae Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Thu, 9 Dec 2021 18:21:30 +0800
Subject: [PATCH] more

---
 source/dnode/vnode/meta/src/metaBDBImpl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/source/dnode/vnode/meta/src/metaBDBImpl.c b/source/dnode/vnode/meta/src/metaBDBImpl.c
index dbb26143cc..3c1ccc72dc 100644
--- a/source/dnode/vnode/meta/src/metaBDBImpl.c
+++ b/source/dnode/vnode/meta/src/metaBDBImpl.c
@@ -342,8 +342,9 @@ static int metaCtbIdxCb(DB *pIdx, const DBT *pKey, const DBT *pValue, DBT *pSKey
     pDbt[0].size = sizeof(pTbCfg->ctbCfg.suid);
 
     // Second key is the first tag
-    pDbt[1].data = NULL;
-    pDbt[1].size = 0;
+    void *pTagVal = tdGetKVRowValOfCol(pTbCfg->ctbCfg.pTag, 0);
+    pDbt[1].data = varDataVal(pTagVal);
+    pDbt[1].size = varDataLen(pTagVal);
 
     // Set index key
     memset(pSKey, 0, sizeof(*pSKey));