Package 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

Modifier and Type	Method	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 Details

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