fix(stream): avoid launching check downstream when failed to add stream task into stream meta.

include/libs/executor/executor.h

@@ -74,7 +74,7 @@ typedef enum {
  * @param vgId
  * @return
  */
-qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, SReadHandle* readers, int32_t vgId);
+qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, SReadHandle* readers, int32_t vgId, int32_t taskId);
 
 /**
  * Create the exec task for queue mode
@@ -95,8 +95,6 @@ int32_t qGetTableList(int64_t suid, void* pVnode, void* node, SArray **tableList
  */
 void qSetTaskId(qTaskInfo_t tinfo, uint64_t taskId, uint64_t queryId);
 
-//void qSetTaskCode(qTaskInfo_t tinfo, int32_t code);
-
 int32_t qSetStreamOpOpen(qTaskInfo_t tinfo);
 
 // todo refactor

source/dnode/snode/src/snode.c

@@ -88,7 +88,7 @@ int32_t sndExpandTask(SSnode *pSnode, SStreamTask *pTask, int64_t ver) {
   SReadHandle handle = { .vnode = NULL, .numOfVgroups = numOfChildEp, .pStateBackend = pTask->pState, .fillHistory = pTask->info.fillHistory };
   initStreamStateAPI(&handle.api);
 
-  pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, 0);
+  pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, 0, pTask->id.taskId);
   ASSERT(pTask->exec.pExecutor);
 
   taosThreadMutexInit(&pTask->lock, NULL);

source/dnode/vnode/src/sma/smaRollup.c

@@ -267,7 +267,7 @@ static int32_t tdSetRSmaInfoItemParams(SSma *pSma, SRSmaParam *param, SRSmaStat
     SReadHandle handle = {.vnode = pVnode, .initTqReader = 1, .pStateBackend = pStreamState};
     initStorageAPI(&handle.api);
 
-    pRSmaInfo->taskInfo[idx] = qCreateStreamExecTaskInfo(param->qmsg[idx], &handle, TD_VID(pVnode));
+    pRSmaInfo->taskInfo[idx] = qCreateStreamExecTaskInfo(param->qmsg[idx], &handle, TD_VID(pVnode), 0);
     if (!pRSmaInfo->taskInfo[idx]) {
       terrno = TSDB_CODE_RSMA_QTASKINFO_CREATE;
       return TSDB_CODE_FAILED;

source/dnode/vnode/src/tq/tq.c

@@ -956,7 +956,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
                           .winRange = pTask->dataRange.window};
     initStorageAPI(&handle.api);
 
-    pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId);
+    pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId, pTask->id.taskId);
     if (pTask->exec.pExecutor == NULL) {
       return -1;
     }
@@ -983,7 +983,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
                           .winRange = pTask->dataRange.window};
     initStorageAPI(&handle.api);
 
-    pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId);
+    pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId, pTask->id.taskId);
     if (pTask->exec.pExecutor == NULL) {
       return -1;
     }
@@ -1149,32 +1149,27 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, int64_t sversion, char* msg, int32_t ms
   taosWLockLatch(&pStreamMeta->lock);
   code = streamMetaRegisterTask(pStreamMeta, sversion, pTask, &added);
   int32_t numOfTasks = streamMetaGetNumOfTasks(pStreamMeta);
+  taosWUnLockLatch(&pStreamMeta->lock);
 
   if (code < 0) {
     tqError("vgId:%d failed to add s-task:0x%x, total:%d", vgId, pTask->id.taskId, numOfTasks);
     tFreeStreamTask(pTask);
-    taosWUnLockLatch(&pStreamMeta->lock);
     return -1;
   }
 
   // not added into meta store
-  if (!added) {
-    tqWarn("vgId:%d failed to add s-task:0x%x, already exists in meta store", vgId, taskId);
-    tFreeStreamTask(pTask);
-    pTask = NULL;
-  }
-
-  taosWUnLockLatch(&pStreamMeta->lock);
-
+  if (added) {
     tqDebug("vgId:%d s-task:0x%x is deployed and add into meta, numOfTasks:%d", vgId, taskId, numOfTasks);
-
-  // 3. It's an fill history task, do nothing. wait for the main task to start it
     SStreamTask* p = streamMetaAcquireTask(pStreamMeta, taskId);
     if (p != NULL) {  // reset the downstreamReady flag.
       streamTaskCheckDownstreamTasks(p);
     }
-
     streamMetaReleaseTask(pStreamMeta, p);
+  } else {
+    tqWarn("vgId:%d failed to add s-task:0x%x, already exists in meta store", vgId, taskId);
+    tFreeStreamTask(pTask);
+  }
+
   return 0;
 }
 

source/libs/executor/src/executor.c

@@ -304,7 +304,7 @@ qTaskInfo_t qCreateQueueExecTaskInfo(void* msg, SReadHandle* pReaderHandle, int3
   return pTaskInfo;
 }
 
-qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, SReadHandle* readers, int32_t vgId) {
+qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, SReadHandle* readers, int32_t vgId, int32_t taskId) {
   if (msg == NULL) {
     return NULL;
   }
@@ -317,7 +317,7 @@ qTaskInfo_t qCreateStreamExecTaskInfo(void* msg, SReadHandle* readers, int32_t v
   }
 
   qTaskInfo_t pTaskInfo = NULL;
-  code = qCreateExecTask(readers, vgId, 0, pPlan, &pTaskInfo, NULL, NULL, OPTR_EXEC_MODEL_STREAM);
+  code = qCreateExecTask(readers, vgId, taskId, pPlan, &pTaskInfo, NULL, NULL, OPTR_EXEC_MODEL_STREAM);
   if (code != TSDB_CODE_SUCCESS) {
     nodesDestroyNode((SNode*)pPlan);
     qDestroyTask(pTaskInfo);

source/libs/stream/src/streamTask.c

@@ -216,7 +216,7 @@ static void freeItem(void* p) {
 }
 
 void tFreeStreamTask(SStreamTask* pTask) {
-  qDebug("free s-task:%s, %p", pTask->id.idStr, pTask);
+  qDebug("free s-task:0x%x, %p", pTask->id.taskId, pTask);
 
   int32_t status = atomic_load_8((int8_t*)&(pTask->status.taskStatus));
   if (pTask->inputQueue) {