Package org.apache.druid.frame.write

Class FrameSort

java.lang.Object

org.apache.druid.frame.write.FrameSort

public class FrameSort
extends Object

Utility for sorting frames in-place.

Method Summary

Modifier and Type	Method	Description
static void	sort(Frame frame, FrameReader frameReader, List<KeyColumn> keyColumns)	Sort the given frame in-place.

Methods inherited from class java.lang.Object

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

Method Detail

sort

public static void sort(Frame frame,
                        FrameReader frameReader,
                        List<KeyColumn> keyColumns)

Sort the given frame in-place. It must be a permuted frame.

Parameters:

frame - frame to sort

frameReader - frame reader

keyColumns - list of columns to sort by; must be nonempty.