Package org.apache.calcite.adapter.druid

Class DruidQuery.JsonAggregation

java.lang.Object

org.apache.calcite.adapter.druid.DruidQuery.JsonAggregation

All Implemented Interfaces:

DruidJson

Direct Known Subclasses:

DruidQuery.JsonCardinalityAggregation, DruidQuery.JsonFilteredAggregation

Enclosing class:

DruidQuery

private static class DruidQuery.JsonAggregation
extends java.lang.Object
implements DruidJson

Aggregation element of a Druid "groupBy" or "topN" query.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) java.lang.String	expression
(package private) java.lang.String	fieldName
(package private) java.lang.String	name
(package private) java.lang.String	type

Constructor Summary

Constructors

Modifier	Constructor	Description
private	JsonAggregation(java.lang.String type, java.lang.String name, java.lang.String fieldName, java.lang.String expression)

Method Summary

Modifier and Type	Method	Description
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

Field Detail

type

final java.lang.String type

name

final java.lang.String name

fieldName

final java.lang.String fieldName

expression

final java.lang.String expression

Constructor Detail

JsonAggregation

private JsonAggregation(java.lang.String type,
                        java.lang.String name,
                        java.lang.String fieldName,
                        java.lang.String expression)

Method Detail

write

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

Specified by:

write in interface DruidJson

Throws:

java.io.IOException