From 50bb847ff90fb411a91634b9e1d06349de28474f Mon Sep 17 00:00:00 2001
From: shenglian zhou <shenglian_zhou@163.com>
Date: Thu, 12 Jan 2023 09:06:58 +0800
Subject: [PATCH] fix: no stable null group when no normal table

---
 source/libs/executor/src/scanoperator.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index eb38299938..d5b83c07b0 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -3222,7 +3222,9 @@ static void buildVnodeGroupedNtbTableCount(STableCountScanOperatorInfo* pInfo, S
   uint64_t groupId = calcGroupId(fullStbName, strlen(fullStbName));
   pRes->info.id.groupId = groupId;
   int64_t ntbNum = metaGetNtbNum(pInfo->readHandle.meta);
-  fillTableCountScanDataBlock(pSupp, dbName, "", ntbNum, pRes);
+  if (ntbNum != 0) {
+    fillTableCountScanDataBlock(pSupp, dbName, "", ntbNum, pRes);
+  }
 }
 
 static void buildVnodeGroupedStbTableCount(STableCountScanOperatorInfo* pInfo, STableCountScanSupp* pSupp,