org.apache.calcite.adapter.enumerable

Class RexImpTable.SumImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.StrictAggImplementor

org.apache.calcite.adapter.enumerable.RexImpTable.SumImplementor

All Implemented Interfaces:

AggImplementor

Enclosing class:

RexImpTable

static class RexImpTable.SumImplementor
extends StrictAggImplementor

Implementor for the SUM windowed aggregate function.

Constructor Summary

Constructors

Constructor and Description
SumImplementor()

Method Summary

Modifier and Type	Method and Description
void	implementNotNullAdd(AggContext info, AggAddContext add)
protected void	implementNotNullReset(AggContext info, AggResetContext reset)
Expression	implementNotNullResult(AggContext info, AggResultContext result)

Methods inherited from class org.apache.calcite.adapter.enumerable.StrictAggImplementor

accAdvance, getNotNullState, getStateSize, getStateType, implementAdd, implementReset, implementResult, nonDefaultOnEmptySet

Methods inherited from class java.lang.Object

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

Constructor Detail

SumImplementor

SumImplementor()

Method Detail

implementNotNullReset

protected void implementNotNullReset(AggContext info,
                                     AggResetContext reset)

Overrides:

implementNotNullReset in class StrictAggImplementor

implementNotNullAdd

public void implementNotNullAdd(AggContext info,
                                AggAddContext add)

Specified by:

implementNotNullAdd in class StrictAggImplementor

implementNotNullResult

public Expression implementNotNullResult(AggContext info,
                                         AggResultContext result)

Overrides:

implementNotNullResult in class StrictAggImplementor