DimensionSpec (Apache Calcite API)

All Superinterfaces:

DruidJson

All Known Implementing Classes:

DefaultDimensionSpec, ExtractionDimensionSpec
```
public interface DimensionSpec
extends DruidJson
```
Interface for Druid DimensionSpec.
DimensionSpecs define how dimension values get transformed prior to aggregation.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getDimension()`
`ExtractionFunction`	`getExtractionFn()`
`java.lang.String`	`getOutputName()`
`DruidType`	`getOutputType()`

Methods inherited from interface org.apache.calcite.adapter.druid.DruidJson
write

Method Detail

getOutputName
```
java.lang.String getOutputName()
```

getOutputType
```
DruidType getOutputType()
```

getExtractionFn

@Nullable
ExtractionFunction getExtractionFn()

getDimension
```
java.lang.String getDimension()
```