Package org.apache.calcite.adapter.druid

Class ExtractionDimensionSpec

java.lang.Object

org.apache.calcite.adapter.druid.ExtractionDimensionSpec

All Implemented Interfaces:

DimensionSpec, DruidJson

public class ExtractionDimensionSpec
extends Object
implements DimensionSpec

Implementation of extraction function DimensionSpec.

The extraction function implementation returns dimension values transformed using the given extraction function.

Constructor Summary

Constructors

Constructor	Description
ExtractionDimensionSpec(String dimension, ExtractionFunction extractionFunction, String outputName)
ExtractionDimensionSpec(String dimension, ExtractionFunction extractionFunction, String outputName, DruidType outputType)

Method Summary

Modifier and Type	Method	Description
String	getDimension()
ExtractionFunction	getExtractionFn()
String	getOutputName()
DruidType	getOutputType()
static @Nullable Granularity	toQueryGranularity(DimensionSpec dimensionSpec)	Returns a valid Granularity of floor extract, or null when not possible.
void	write(com.fasterxml.jackson.core.JsonGenerator generator)

Methods inherited from class java.lang.Object

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

Constructor Details

ExtractionDimensionSpec

public ExtractionDimensionSpec(String dimension,
 ExtractionFunction extractionFunction,
 String outputName)

ExtractionDimensionSpec

public ExtractionDimensionSpec(String dimension,
 ExtractionFunction extractionFunction,
 String outputName,
 DruidType outputType)

Method Details

getOutputName

public String getOutputName()

Specified by:

getOutputName in interface DimensionSpec

getOutputType

public DruidType getOutputType()

Specified by:

getOutputType in interface DimensionSpec

getExtractionFn

public ExtractionFunction getExtractionFn()

Specified by:

getExtractionFn in interface DimensionSpec

getDimension

public String getDimension()

Specified by:

getDimension in interface DimensionSpec

write

public void write(com.fasterxml.jackson.core.JsonGenerator generator)
           throws IOException

Specified by:

write in interface DruidJson

Throws:

IOException

toQueryGranularity

public static @Nullable Granularity toQueryGranularity(DimensionSpec dimensionSpec)

Returns a valid Granularity of floor extract, or null when not possible.

Parameters:

dimensionSpec - Druid Dimension specification