io.druid.query.dimension

Interface DimensionSpec

All Superinterfaces:

Cacheable

All Known Implementing Classes:

BaseFilteredDimensionSpec, DefaultDimensionSpec, ExtractionDimensionSpec, LegacyDimensionSpec, ListFilteredDimensionSpec, LookupDimensionSpec, RegexFilteredDimensionSpec

public interface DimensionSpec
extends Cacheable

Provides information about a dimension for a grouping query, like topN or groupBy. Note that this is not annotated with PublicApi, since it is not meant to be stable for usage by non-built-in queries.

Method Summary

Modifier and Type	Method and Description
DimensionSelector	decorate(DimensionSelector selector)
String	getDimension()
ExtractionFn	getExtractionFn() Deprecated.
String	getOutputName()
ValueType	getOutputType()
boolean	mustDecorate() Does this DimensionSpec require that decorate() be called to produce correct results?
boolean	preservesOrdering()

Methods inherited from interface io.druid.java.util.common.Cacheable

getCacheKey

Method Detail

getDimension

String getDimension()

getOutputName

String getOutputName()

getOutputType

ValueType getOutputType()

getExtractionFn

@Deprecated
ExtractionFn getExtractionFn()

Deprecated.

decorate

DimensionSelector decorate(DimensionSelector selector)

mustDecorate

boolean mustDecorate()

Does this DimensionSpec require that decorate() be called to produce correct results?

preservesOrdering

boolean preservesOrdering()