From 933fa721d6621e003f9d170ddad2a6d001a23e9c Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Mon, 6 Mar 2023 15:49:57 +0800
Subject: [PATCH] fix:return empty ssdatablock

---
 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 38822a4565..eea0f77cf6 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -1907,7 +1907,9 @@ FETCH_NEXT_BLOCK:
         doFilter(pInfo->pRes, pOperator->exprSupp.pFilterInfo, NULL);
         pInfo->pRes->info.dataLoad = 1;
         blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
-        return pInfo->pRes;
+        if (pInfo->pRes->info.rows > 0) {
+          return pInfo->pRes;
+        }
       } break;
       case STREAM_SCAN_FROM_DELETE_DATA: {
         generateScanRange(pInfo, pInfo->pUpdateDataRes, pInfo->pUpdateRes);
-- 
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