Package org.apache.druid.segment
Class DoubleDimensionMergerV9
- java.lang.Object
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- org.apache.druid.segment.NumericDimensionMergerV9
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- org.apache.druid.segment.DoubleDimensionMergerV9
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- All Implemented Interfaces:
DimensionMerger
,DimensionMergerV9
public class DoubleDimensionMergerV9 extends NumericDimensionMergerV9
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Field Summary
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Fields inherited from class org.apache.druid.segment.NumericDimensionMergerV9
dimensionName, indexSpec, segmentWriteOutMedium, serializer
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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 class org.apache.druid.segment.NumericDimensionMergerV9
convertSortedSegmentRowValuesToMergedRowValues, hasOnlyNulls, processMergedRow, writeIndexes, writeMergedValueDictionary
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Method Detail
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makeColumnDescriptor
public ColumnDescriptor makeColumnDescriptor()
Description copied from interface:DimensionMergerV9
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.
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