Statistics (Spark 4.0.0 JavaDoc)

@Evolving public interface Statistics

An interface to represent statistics for a data source, which is returned by SupportsReportStatistics.estimateStatistics().

Since:: 3.0.0

Method Summary

Modifier and Type

Method

Description

default Map<NamedReference,ColumnStatistics>

columnStats()

OptionalLong

numRows()

OptionalLong

sizeInBytes()

Method Details
- sizeInBytes
  
  OptionalLong sizeInBytes()
- numRows
  
  OptionalLong numRows()
- columnStats
  
  default Map<NamedReference,ColumnStatistics> columnStats()