From 92106312d25804970d968036760f39ba52c15ada Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Tue, 18 Jul 2023 09:43:38 +0800
Subject: [PATCH] fix(stream): not dispatch checkpoint block result to
 downstream.

---
 source/dnode/vnode/src/tq/tq.c      | 3 ++-
 source/libs/stream/src/streamExec.c | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 19825b438b..89beaadf72 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1673,7 +1673,8 @@ int32_t tqProcessStreamTaskCheckpointReadyMsg(STQ* pTq, SRpcMsg* pMsg) {
     return code;
   }
 
-  tqDebug("vgId:%d s-task:%s received the checkpoint ready msg, handle it", vgId, pTask->id.idStr);
+  tqDebug("vgId:%d s-task:%s received the checkpoint ready msg from task:0x%x (vgId:%d), handle it", vgId,
+          pTask->id.idStr, req.downstreamTaskId, req.downstreamNodeId);
 
   streamProcessCheckpointReadyMsg(pTask);
   streamMetaReleaseTask(pMeta, pTask);
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index dbec866705..cad0d58925 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -113,6 +113,8 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, SStreamQueueItem* pItem, i
         // TODO
       }
       continue;
+    } else if (output->info.type == STREAM_CHECKPOINT) {
+      continue; // checkpoint block not dispatch to downstream tasks
     }
 
     SSDataBlock block = {0};