From e7a43b4e582279753308511a8262ce7494511ad3 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Tue, 16 Apr 2024 18:47:03 +0800
Subject: [PATCH] fix: projection limit 0 issue

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

diff --git a/source/libs/executor/src/projectoperator.c b/source/libs/executor/src/projectoperator.c
index 7984da9b30..19828d5146 100644
--- a/source/libs/executor/src/projectoperator.c
+++ b/source/libs/executor/src/projectoperator.c
@@ -231,7 +231,7 @@ static int32_t doIngroupLimitOffset(SLimitInfo* pLimitInfo, uint64_t groupId, SS
   // set current group id
   pLimitInfo->currentGroupId = groupId;
   bool limitReached = applyLimitOffset(pLimitInfo, pBlock, pOperator->pTaskInfo);
-  if (pBlock->info.rows == 0) {
+  if (pBlock->info.rows == 0 && 0 != pLimitInfo->limit.limit) {
     return PROJECT_RETRIEVE_CONTINUE;
   } else {
     if (limitReached && (pLimitInfo->slimit.limit >= 0 && pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups)) {