fix(stream): fix error.

include/libs/stream/tstream.h

@@ -272,6 +272,7 @@ typedef struct SStreamStatus {
   int8_t schedStatus;
   int8_t keepTaskStatus;
   bool   transferState;
+  bool   appendTranstateBlock;  // has append the transfer state data block already
   int8_t timerActive;   // timer is active
   int8_t pauseAllowed;  // allowed task status to be set to be paused
 } SStreamStatus;

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

@@ -214,9 +214,11 @@ static void checkForFillHistoryVerRange(SStreamTask* pTask, int64_t ver) {
     qWarn("s-task:%s fill-history scan WAL, currentVer:%" PRId64 " reach the maximum ver:%" PRId64
           ", not scan wal anymore, set the transfer state flag",
           pTask->id.idStr, ver, pTask->dataRange.range.maxVer);
-    pTask->status.transferState = true;
-
-    /*int32_t code = */streamSchedExec(pTask);
+    if (!pTask->status.appendTranstateBlock) {
+      pTask->status.appendTranstateBlock = true;
+      appendTranstateIntoInputQ(pTask);
+      /*int32_t code = */streamSchedExec(pTask);
+    }
   }
 }
 

source/libs/stream/src/stream.c

@@ -385,8 +385,9 @@ int32_t tAppendDataToInputQueue(SStreamTask* pTask, SStreamQueueItem* pItem) {
       destroyStreamDataBlock((SStreamDataBlock*) pItem);
       return code;
     }
-  } else if (type == STREAM_INPUT__CHECKPOINT) {
+  } else if (type == STREAM_INPUT__CHECKPOINT || type == STREAM_INPUT__TRANS_STATE) {
     taosWriteQitem(pTask->inputQueue->queue, pItem);
+    qDebug("s-task:%s trans-state blockdata enqueue, total in queue:%d, size:%.2fMiB", pTask->id.idStr, total, size);
   } else if (type == STREAM_INPUT__GET_RES) {
     // use the default memory limit, refactor later.
     taosWriteQitem(pTask->inputQueue->queue, pItem);

source/libs/stream/src/streamExec.c

@@ -391,11 +391,11 @@ static int32_t streamTransferStateToStreamTask(SStreamTask* pTask) {
     streamTaskFillHistoryFinished(pTask);
     streamTaskEndScanWAL(pTask);
 
-      code = streamDoTransferStateToStreamTask(pTask);
-      if (code != TSDB_CODE_SUCCESS) {  // todo handle this
-          return code;
-      }
-  } else if (level == TASK_LEVEL__AGG) { // do transfer task operator states.
+    code = streamDoTransferStateToStreamTask(pTask);
+    if (code != TSDB_CODE_SUCCESS) {  // todo handle this
+      return code;
+    }
+  } else if (level == TASK_LEVEL__AGG) {  // do transfer task operator states.
     code = streamDoTransferStateToStreamTask(pTask);
     if (code != TSDB_CODE_SUCCESS) {  // todo handle this
       return code;
@@ -484,9 +484,10 @@ int32_t streamProcessTranstateBlock(SStreamTask* pTask, SStreamDataBlock* pBlock
     pTask->status.transferState = true;
   }
 
-  // dispatch the transtate block to downstream task immediately
-  if (level == TASK_LEVEL__SOURCE || level == TASK_LEVEL__AGG) {
-    //          pBlock-> = pTask->id.taskId;
+  // dispatch the tran-state block to downstream task immediately
+  int32_t type = pTask->outputInfo.type;
+  if ((level == TASK_LEVEL__AGG || level == TASK_LEVEL__SOURCE) &&
+      (type == TASK_OUTPUT__FIXED_DISPATCH || type == TASK_OUTPUT__SHUFFLE_DISPATCH)) {
     pBlock->srcVgId = pTask->pMeta->vgId;
     code = taosWriteQitem(pTask->outputInfo.queue->queue, pBlock);
     if (code == 0) {
@@ -640,10 +641,10 @@ int32_t streamTryExec(SStreamTask* pTask) {
 
         // the schedStatus == TASK_SCHED_STATUS__ACTIVE, streamSchedExec cannot be executed, so execute once again by
         // call this function (streamExecForAll) directly.
-        code = streamExecForAll(pTask);
-        if (code < 0) {
+//        code = streamExecForAll(pTask);
+//        if (code < 0) {
           // do nothing
-        }
+//        }
       }
 
       atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);

source/libs/stream/src/streamRecover.c

@@ -427,6 +427,8 @@ int32_t appendTranstateIntoInputQ(SStreamTask* pTask) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
+  pTranstate->type = STREAM_INPUT__TRANS_STATE;
+
   pBlock->info.type = STREAM_TRANS_STATE;
   pBlock->info.rows = 1;
   pBlock->info.childId = pTask->info.selfChildId;
@@ -440,7 +442,10 @@ int32_t appendTranstateIntoInputQ(SStreamTask* pTask) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
+  qDebug("s-task:%s set sched-status:%d, prev:%d", pTask->id.idStr, TASK_SCHED_STATUS__INACTIVE, pTask->status.schedStatus);
+  pTask->status.schedStatus = TASK_SCHED_STATUS__INACTIVE;
   streamSchedExec(pTask);
+
   return TSDB_CODE_SUCCESS;
 }