Package org.apache.spark.sql.connector.read.partitioning

Interface Partitioning

All Known Implementing Classes:
KeyGroupedPartitioning, UnknownPartitioning
@Evolving public interface Partitioning
An interface to represent the output data partitioning for a data source, which is returned by SupportsReportPartitioning.outputPartitioning().

Note: implementors should NOT directly implement this interface. Instead, they should use one of the following subclasses:

Since:
3.0.0

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    numPartitions()
    Returns the number of partitions that the data is split across.

  • Method Details

    • numPartitions

      int numPartitions()
      Returns the number of partitions that the data is split across.