@Override
  public int hashCode() {
    return Objects.hash(nextRegionGroupId, databasePartitionTables, regionMaintainTaskList);
  }
Get the timePartition of the specific Database or seriesSlotId(device) or regionId.

@param plan GetRegionIdPlan with the specific Database ,seriesSlotId(device) , regionId.
@return GetRegionIdResp with STATUS and List{@literal <}TTimePartitionSlot{@literal >}.
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/partition/PartitionInfo.java