private void createNewWorkingMemTable() {
    workMemTable =
        MemTableManager.getInstance()
            .getAvailableMemTable(
                dataRegionInfo.getDataRegion().getDatabaseName(),
                dataRegionInfo.getDataRegion().getDataRegionId());
    walNode.onMemTableCreated(workMemTable, tsFileResource.getTsFilePath());
  }
Insert data in an InsertRowNode into the workingMemtable.

@param insertRowNode physical plan of insertion
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/memtable/TsFileProcessor.java