org.apache.druid.sql.calcite.expression

Class PostAggregatorVisitor

java.lang.Object

org.apache.druid.sql.calcite.expression.PostAggregatorVisitor

public class PostAggregatorVisitor
extends Object

This class serves as a tracking structure for managing post aggregator column names and any post aggs that are created as part of translation of a Calcite RexNode into native Druid structures.

Constructor Summary

Constructors

Constructor and Description
PostAggregatorVisitor(String outputNamePrefix)

Method Summary

Modifier and Type	Method and Description
void	addPostAgg(PostAggregator postAggregator)
int	getAndIncrementCounter()
String	getOutputNamePrefix()
List<PostAggregator>	getPostAggs()

Methods inherited from class java.lang.Object

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

Constructor Detail

PostAggregatorVisitor

public PostAggregatorVisitor(String outputNamePrefix)

Method Detail

getAndIncrementCounter

public int getAndIncrementCounter()

getOutputNamePrefix

public String getOutputNamePrefix()

getPostAggs

public List<PostAggregator> getPostAggs()

addPostAgg

public void addPostAgg(PostAggregator postAggregator)