From 318360c28721203db5c0aa932e5db7630982bb11 Mon Sep 17 00:00:00 2001
From: "slzhou@taodata.com" <shenglian zhou>
Date: Thu, 21 Jul 2022 11:35:02 +0800
Subject: [PATCH] fix: continue execution after filter in project produces zero
 rows for next group

---
 source/libs/executor/src/executorimpl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 5d51d2a372..bafec32149 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -3355,7 +3355,7 @@ static SSDataBlock* doProjectOperation(SOperatorInfo* pOperator) {
       break;
     }
 
-    if (status == PROJECT_RETRIEVE_CONTINUE) {
+    if (status == PROJECT_RETRIEVE_CONTINUE || pInfo->pRes->info.rows == 0) {
       continue;
     } else if (status == PROJECT_RETRIEVE_DONE) {
       break;