CollectionColumnStatistics (ORC Core 1.6.6 API)
Date: 2021-01-13

org.apache.orc

## Interface CollectionColumnStatistics

- All Superinterfaces:
    ColumnStatistics

      public interface CollectionColumnStatistics
      extends ColumnStatistics

  Statistics for all of collections such as Map and List.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `getMaximumChildren()` Get maximum number of children in the collection.
    `long` | `getMinimumChildren()` Get minimum number of children in the collection.
    `long` | `getTotalChildren()` Get the total number of children in the collection.

    - ### Methods inherited from interface org.apache.orc.ColumnStatistics

      `getBytesOnDisk, getNumberOfValues, hasNull`

- - ### Method Detail

    - #### getMinimumChildren

          long getMinimumChildren()

      Get minimum number of children in the collection.
      Returns:
        the minimum children count

    - #### getMaximumChildren

          long getMaximumChildren()

      Get maximum number of children in the collection.
      Returns:
        the maximum children count

    - #### getTotalChildren

          long getTotalChildren()

      Get the total number of children in the collection.
      Returns:
        the total number of children

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