org.apache.calcite.interpreter

Class AggregateNode.FilterAccumulator

java.lang.Object

org.apache.calcite.interpreter.AggregateNode.FilterAccumulator

All Implemented Interfaces:

AggregateNode.Accumulator

Enclosing class:

AggregateNode

private static class AggregateNode.FilterAccumulator
extends Object
implements AggregateNode.Accumulator

Accumulator that applies a filter to another accumulator. The filter is a BOOLEAN field in the input row.

Field Summary

Fields

Modifier and Type	Field and Description
private AggregateNode.Accumulator	accumulator
private int	filterArg

Constructor Summary

Constructors

Constructor and Description
FilterAccumulator(AggregateNode.Accumulator accumulator, int filterArg)

Method Summary

Modifier and Type	Method and Description
Object	end()
void	send(Row row)

Methods inherited from class java.lang.Object

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

Field Detail

accumulator

private final AggregateNode.Accumulator accumulator

filterArg

private final int filterArg

Constructor Detail

FilterAccumulator

FilterAccumulator(AggregateNode.Accumulator accumulator,
                  int filterArg)

Method Detail

send

public void send(Row row)

Specified by:

send in interface AggregateNode.Accumulator

end

public Object end()

Specified by:

end in interface AggregateNode.Accumulator