From 60d2b10ed8dca9baa71026265a1ceea4c60bb435 Mon Sep 17 00:00:00 2001
From: xywang <xywang@taosdata.com>
Date: Fri, 19 Nov 2021 18:24:24 +0800
Subject: [PATCH] [TS-676]<fix>: fixed coredump when 'group by' was used

---
 src/query/src/qExecutor.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index fc57c1f0fd..6a89a2f823 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -5710,6 +5710,11 @@ static SSDataBlock* doProjectOperation(void* param, bool* newgroup) {
     }
   }
 
+  if (pOperator->status == OP_EXEC_DONE) {
+    *newgroup = false;
+     return NULL;
+  }
+
   while(1) {
     bool prevVal = *newgroup;
 
@@ -5722,7 +5727,7 @@ static SSDataBlock* doProjectOperation(void* param, bool* newgroup) {
       //assert(*newgroup == false);
 
       *newgroup = prevVal;
-      setQueryStatus(pRuntimeEnv, QUERY_COMPLETED);
+      doSetOperatorCompleted(pOperator);
       break;
     }
 
-- 
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