Package org.apache.iceberg

Class Partitioning

  • public class Partitioning
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean hasBucketField​(PartitionSpec spec)
      Check whether the spec contains a bucketed partition field.
      static SortOrder sortOrderFor​(PartitionSpec spec)
      Create a sort order that will group data for a partition spec.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • hasBucketField

        public static boolean hasBucketField​(PartitionSpec spec)
        Check whether the spec contains a bucketed partition field.
        Parameters:
        spec - a partition spec
        Returns:
        true if the spec has field with a bucket transform

      • sortOrderFor

        public static SortOrder sortOrderFor​(PartitionSpec spec)
        Create a sort order that will group data for a partition spec.

        If the partition spec contains bucket columns, the sort order will also have a field to sort by a column that is bucketed in the spec. The column is selected by the highest number of buckets in the transform.

        Parameters:
        spec - a partition spec
        Returns:
        a sort order that will cluster data for the spec