org.apache.spark.sql.connector.read

Interface SupportsPushDownTableSample

All Superinterfaces:

ScanBuilder

@Evolving
public interface SupportsPushDownTableSample
extends ScanBuilder

A mix-in interface for Scan. Data sources can implement this interface to push down SAMPLE.

Since:

3.3.0

Method Summary

Modifier and Type	Method and Description
boolean	pushTableSample(double lowerBound, double upperBound, boolean withReplacement, long seed) Pushes down SAMPLE to the data source.

Methods inherited from interface org.apache.spark.sql.connector.read.ScanBuilder

build

Method Detail

pushTableSample

boolean pushTableSample(double lowerBound,
                        double upperBound,
                        boolean withReplacement,
                        long seed)

Pushes down SAMPLE to the data source.