Class Distributions


@Experimental public class Distributions extends Object
Helper methods to create distributions to pass into Spark.
  • Method Details

    • unspecified

      public static UnspecifiedDistribution unspecified()
      Creates a distribution where no promises are made about co-location of data.
    • clustered

      public static ClusteredDistribution clustered(Expression[] clustering)
      Creates a distribution where tuples that share the same values for clustering expressions are co-located in the same partition.
    • ordered

      public static OrderedDistribution ordered(SortOrder[] ordering)
      Creates a distribution where tuples have been ordered across partitions according to ordering expressions, but not necessarily within a given partition.