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 Object
implements DruidJson

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

Field Summary

Fields

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

Constructor Summary

Constructors

Modifier	Constructor and Description
private	JsonAggregation(String type, String name, String fieldName, String expression)

Method Summary

Modifier and Type	Method and 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 String type

name

final String name

fieldName

final String fieldName

expression

final String expression

Constructor Detail

JsonAggregation

private JsonAggregation(String type,
                        String name,
                        String fieldName,
                        String expression)

Method Detail

write

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

Specified by:

write in interface DruidJson

Throws:

IOException