org.apache.druid.segment

Interface DimensionMergerV9

All Superinterfaces:

DimensionMerger

All Known Implementing Classes:

DoubleDimensionMergerV9, FloatDimensionMergerV9, LongDimensionMergerV9, NumericDimensionMergerV9, StringDimensionMergerV9

public interface DimensionMergerV9
extends DimensionMerger

Processing related interface DimensionMerger subclass to be used with IndexMergerV9.

Method Summary

Modifier and Type	Method and Description
ColumnDescriptor	makeColumnDescriptor() Return a ColumnDescriptor containing ColumnPartSerde objects appropriate for this DimensionMerger's value metadata, sequence of row values, and index structures.

Methods inherited from interface org.apache.druid.segment.DimensionMerger

canSkip, convertSortedSegmentRowValuesToMergedRowValues, processMergedRow, writeIndexes, writeMergedValueDictionary

Method Detail

makeColumnDescriptor

ColumnDescriptor makeColumnDescriptor()

Return a ColumnDescriptor containing ColumnPartSerde objects appropriate for this DimensionMerger's value metadata, sequence of row values, and index structures.

Returns:

ColumnDescriptor that IndexMergerV9 will use to build a column.