@Override
  public int hashCode() {
    return Objects.hash(databaseName, regionGroupMap, schemaPartitionTable, dataPartitionTable);
  }
Remove PartitionTable where the TimeSlot is expired.

@param TTL The Time To Live
@param currentTimeSlot The current TimeSlot
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/partition/DatabasePartitionTable.java