Package org.apache.gravitino.stats

Interface SupportsPartitionStatistics

@Unstable public interface SupportsPartitionStatistics
SupportsPartitionStatistics provides methods to list and update statistics for partitions.

  • Method Details

    • listPartitionStatistics

      List<PartitionStatistics> listPartitionStatistics(PartitionRange range)
      Lists statistics for partitions from one partition name to another partition name.
      Parameters:
      range - the range of partitions to list statistics for, which can be defined by.
      Returns:
      a list of PartitionStatistics, where each PartitionStatistics contains the partition name and a list of statistics applicable to that partition.

    • updatePartitionStatistics

      void updatePartitionStatistics(List<PartitionStatisticsUpdate> statisticsToUpdate) throws UnmodifiableStatisticException
      Updates statistics with the provided values. If the statistic exists, it will be updated with the new value. If the statistic does not exist, it will be created. If the statistic is unmodifiable, it will throw an UnmodifiableStatisticException.
      Parameters:
      statisticsToUpdate - a list of PartitionUpdateStatistics, where each PartitionStatisticsUpdate contains the partition name and a map of statistic names to their values to be updated.
      Throws:
      UnmodifiableStatisticException - if any of the statistics to be updated are unmodifiable

    • dropPartitionStatistics

      boolean dropPartitionStatistics(List<PartitionStatisticsDrop> statisticsToDrop) throws UnmodifiableStatisticException
      Drops statistics for the specified partitions. If the statistic is unmodifiable, it will throw an UnmodifiableStatisticException.
      Parameters:
      statisticsToDrop - a list of PartitionStatisticsDrop, where each PartitionStatisticsDrop
      Returns:
      true if the statistics were successfully dropped.
      Throws:
      UnmodifiableStatisticException - if any of the statistics to be dropped are unmodifiable