org.apache.hadoop.hive.ql.io.orc
Interface ColumnStatistics

All Known Subinterfaces:

BinaryColumnStatistics, BooleanColumnStatistics, DateColumnStatistics, DecimalColumnStatistics, DoubleColumnStatistics, IntegerColumnStatistics, StringColumnStatistics

public interface ColumnStatistics

Statistics that are available for all types of columns.

Method Summary

long	getNumberOfValues() Get the number of values in this column.

Method Detail

getNumberOfValues

long getNumberOfValues()

Get the number of values in this column. It will differ from the number of rows because of NULL values and repeated values.

Returns:

the number of values