refactor:do internal refactor.

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

@@ -47,9 +47,9 @@ int32_t tsdbRetrieveLastRow(void* pVnode, const SArray* pTableIdList, int32_t ty
     int64_t lastKey = INT64_MIN;
     bool    internalResult = false;
     for (int32_t i = 0; i < numOfTables; ++i) {
-      tb_uid_t* uid = taosArrayGet(pTableIdList, i);
+      STableKeyInfo* pKeyInfo = taosArrayGet(pTableIdList, i);
 
-      int32_t code = tsdbCacheGetLastrow(pv->pTsdb->lruCache, *uid, pv->pTsdb, &pRow);
+      int32_t code = tsdbCacheGetLastrow(pv->pTsdb->lruCache, pKeyInfo->uid, pv->pTsdb, &pRow);
       if (code != TSDB_CODE_SUCCESS) {
         return code;
       }

source/libs/executor/src/executorimpl.c

@@ -4177,6 +4177,17 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
 //        return NULL;
 //      }
 
+      if (pScanNode->tableType == TSDB_SUPER_TABLE) {
+        int32_t code = vnodeGetAllTableList(pHandle->meta, pScanNode->uid, pTableListInfo->pTableList);
+        if (code != TSDB_CODE_SUCCESS) {
+          pTaskInfo->code = terrno;
+          return NULL;
+        }
+      } else {  // Create one table group.
+        STableKeyInfo info = {.lastKey = 0, .uid = pScanNode->uid, .groupId = 0};
+        taosArrayPush(pTableListInfo->pTableList, &info);
+      }
+
       return createLastrowScanOperator(pScanNode, pHandle, pTableListInfo->pTableList, pTaskInfo);
     } else {
       ASSERT(0);