fix(tmq): avoid return delete msg for table subscription.

include/libs/wal/wal.h

@@ -135,6 +135,7 @@ typedef struct {
 //  int8_t scanUncommited;
   int8_t scanNotApplied;
   int8_t scanMeta;
+  int8_t deleteMsg;
   int8_t enableRef;
 } SWalFilterCond;
 

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

@@ -648,7 +648,8 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
   }
 
   if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
-    pTask->exec.pWalReader = walOpenReader(pTq->pVnode->pWal, NULL);
+    SWalFilterCond cond = {.deleteMsg = 1};
+    pTask->exec.pWalReader = walOpenReader(pTq->pVnode->pWal, &cond);
   }
 
   streamSetupTrigger(pTask);

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

@@ -82,6 +82,7 @@ int32_t tqScanData(STQ* pTq, const STqHandle* pHandle, SMqDataRsp* pRsp, STqOffs
     SSDataBlock* pDataBlock = NULL;
     uint64_t     ts = 0;
     qStreamSetOpen(task);
+
     tqDebug("consumer:0x%" PRIx64 " vgId:%d, tmq one task start execute", pHandle->consumerId, vgId);
     if (qExecTask(task, &pDataBlock, &ts) != TSDB_CODE_SUCCESS) {
       tqError("consumer:0x%" PRIx64 " vgId:%d, task exec error since %s", pHandle->consumerId, vgId, terrstr());

source/libs/wal/src/walRead.c

@@ -87,8 +87,9 @@ int32_t walNextValidMsg(SWalReader *pReader) {
       return -1;
     }
 
-    if (pReader->pHead->head.msgType == TDMT_VND_SUBMIT || pReader->pHead->head.msgType == TDMT_VND_DELETE ||
-        (IS_META_MSG(pReader->pHead->head.msgType) && pReader->cond.scanMeta)) {
+    int32_t type = pReader->pHead->head.msgType;
+    if (type == TDMT_VND_SUBMIT || ((type == TDMT_VND_DELETE) && (pReader->cond.deleteMsg == 1)) ||
+        (IS_META_MSG(type) && pReader->cond.scanMeta)) {
       if (walFetchBodyNew(pReader) < 0) {
         return -1;
       }