public void addTableDevice(final String table) {
    tableDeviceNumber.compute(table, (tableName, num) -> Objects.nonNull(num) ? num + 1 : 1L);
  }
This class is used to record statistics within the SchemaRegion in Memory mode.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/rescon/MemSchemaRegionStatistics.java