org.apache.calcite.adapter.enumerable

Class RexImpTable.RowNumberImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.StrictAggImplementor

org.apache.calcite.adapter.enumerable.StrictWinAggImplementor

org.apache.calcite.adapter.enumerable.RexImpTable.RowNumberImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

Enclosing class:

RexImpTable

static class RexImpTable.RowNumberImplementor
extends StrictWinAggImplementor

Implementor for the ROW_NUMBER windowed aggregate function.

Nested Class Summary

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

WinAggImplementor.SeekType

Constructor Summary

Constructors

Constructor and Description
RowNumberImplementor()

Method Summary

Modifier and Type	Method and Description
List<Type>	getNotNullState(WinAggContext info)
protected 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

Constructor Detail

RowNumberImplementor

RowNumberImplementor()

Method Detail

getNotNullState

public List<Type> getNotNullState(WinAggContext info)

Overrides:

getNotNullState in class StrictWinAggImplementor

implementNotNullAdd

protected 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