org.apache.calcite.adapter.enumerable

Class RexImpTable.CountWinImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.StrictAggImplementor

org.apache.calcite.adapter.enumerable.StrictWinAggImplementor

org.apache.calcite.adapter.enumerable.RexImpTable.CountWinImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

Enclosing class:

RexImpTable

static class RexImpTable.CountWinImplementor
extends StrictWinAggImplementor

Implementor for the COUNT windowed aggregate function.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.adapter.enumerable.WinAggImplementor

WinAggImplementor.SeekType

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	justFrameRowCount

Constructor Summary

Constructors

Constructor and Description
CountWinImplementor()

Method Summary

Modifier and Type	Method and Description
List<Type>	getNotNullState(WinAggContext info)
void	implementNotNullAdd(WinAggContext info, WinAggAddContext add)
protected Expression	implementNotNullResult(WinAggContext info, WinAggResultContext result)

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

getNotNullState, implementNotNullAdd, implementNotNullReset, implementNotNullReset, implementNotNullResult, needCacheWhenFrameIntact, nonDefaultOnEmptySet, nonDefaultOnEmptySet

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

accAdvance, getStateSize, getStateType, implementAdd, implementReset, implementResult

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.adapter.enumerable.AggImplementor

getStateType, implementAdd, implementReset, implementResult

Field Detail

justFrameRowCount

boolean justFrameRowCount

Constructor Detail

CountWinImplementor

CountWinImplementor()

Method Detail

getNotNullState

public List<Type> getNotNullState(WinAggContext info)

Overrides:

getNotNullState in class StrictWinAggImplementor

implementNotNullAdd

public void implementNotNullAdd(WinAggContext info,
                                WinAggAddContext add)

Specified by:

implementNotNullAdd in class StrictWinAggImplementor

implementNotNullResult

protected Expression implementNotNullResult(WinAggContext info,
                                            WinAggResultContext result)

Overrides:

implementNotNullResult in class StrictWinAggImplementor