org.apache.spark.sql.sources

Interface PrunedScan

public interface PrunedScan

::DeveloperApi:: A BaseRelation that can eliminate unneeded columns before producing an RDD containing all of its tuples as Row objects.

Since:

1.3.0

Method Summary

Methods

Modifier and Type	Method and Description
RDD<Row>	buildScan(java.lang.String[] requiredColumns)

Method Detail

buildScan

RDD<Row> buildScan(java.lang.String[] requiredColumns)