From 550d0fe5aef660aa50eab83d833e62e715a969b0 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 3 Mar 2024 16:46:13 +0800
Subject: [PATCH] fix(stream): add an assert.

---
 source/libs/stream/src/streamDispatch.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/libs/stream/src/streamDispatch.c b/source/libs/stream/src/streamDispatch.c
index 78b914c3db..9702096b60 100644
--- a/source/libs/stream/src/streamDispatch.c
+++ b/source/libs/stream/src/streamDispatch.c
@@ -740,6 +740,8 @@ int32_t streamTaskSendCheckpointSourceRsp(SStreamTask* pTask) {
 
 int32_t streamAddBlockIntoDispatchMsg(const SSDataBlock* pBlock, SStreamDispatchReq* pReq) {
   int32_t dataStrLen = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
+  ASSERT(dataStrLen > 0);
+
   void*   buf = taosMemoryCalloc(1, dataStrLen);
   if (buf == NULL) return -1;