org.apache.spark.sql.connector.read.colstats

Interface Histogram

@Evolving
public interface Histogram

An interface to represent an equi-height histogram, which is a part of ColumnStatistics. Equi-height histogram represents the distribution of a column's values by a sequence of bins.

Since:

3.4.0

Method Summary

Modifier and Type	Method and Description
HistogramBin[]	bins()
double	height()

Method Detail

height

double height()

Returns:

number of rows in each bin

bins

HistogramBin[] bins()

Returns:

equi-height histogram bins