feat(tmq): enable withTbName config for snapshot

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

@@ -85,10 +85,12 @@ int32_t tqScanSnapshot(STQ* pTq, const STqExecHandle* pExec, SMqDataRsp* pRsp, S
     tqAddBlockDataToRsp(pDataBlock, pRsp);
 
     if (pRsp->withTbName) {
-      // TODO
-      pRsp->withTbName = 0;
-      /*int64_t uid = 0;*/
-      /*tqAddTbNameToRsp(pTq, uid, pRsp, workerId);*/
+      int64_t uid;
+      int64_t ts;
+      if (qGetStreamScanStatus(task, &uid, &ts) < 0) {
+        ASSERT(0);
+      }
+      tqAddTbNameToRsp(pTq, uid, pRsp, workerId);
     }
     pRsp->blockNum++;
 

source/dnode/vnode/src/tsdb/tsdbRead.c

@@ -532,9 +532,9 @@ int32_t tsdbSetTableList(tsdbReaderT reader, SArray* tableList) {
 
 tsdbReaderT tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, SArray* tableList, uint64_t qId,
                            uint64_t taskId) {
-  /*if (taosArrayGetSize(tableList) == 0) {*/
-  /*return NULL;*/
-  /*}*/
+  if (taosArrayGetSize(tableList) == 0) {
+    return NULL;
+  }
   STsdbReadHandle* pTsdbReadHandle = tsdbQueryTablesImpl(pVnode, pCond, qId, taskId);
   if (pTsdbReadHandle == NULL) {
     return NULL;