Package org.apache.calcite.adapter.enumerable

Class StrictWinAggImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.StrictAggImplementor

org.apache.calcite.adapter.enumerable.StrictWinAggImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

public abstract class StrictWinAggImplementor
extends StrictAggImplementor
implements WinAggImplementor

The base implementation of strict window aggregate function.

See Also:

• RexImpTable.FirstLastValueImplementor
• RexImpTable.RankImplementor
• RexImpTable.RowNumberImplementor

Nested Class Summary

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

WinAggImplementor.SeekType

Constructor Summary

Constructors

Constructor	Description
StrictWinAggImplementor()

Method Summary

Modifier and Type	Method	Description
final List<Type>	getNotNullState(AggContext info)
List<Type>	getNotNullState(WinAggContext info)
protected final void	implementNotNullAdd(AggContext info, AggAddContext add)
protected abstract void	implementNotNullAdd(WinAggContext info, WinAggAddContext add)
protected final void	implementNotNullReset(AggContext info, AggResetContext reset)
protected void	implementNotNullReset(WinAggContext info, WinAggResetContext reset)
protected final Expression	implementNotNullResult(AggContext info, AggResultContext result)
protected Expression	implementNotNullResult(WinAggContext info, WinAggResultContext result)
boolean	needCacheWhenFrameIntact()
protected boolean	nonDefaultOnEmptySet(AggContext info)
protected boolean	nonDefaultOnEmptySet(WinAggContext info)

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 Details

StrictWinAggImplementor

public StrictWinAggImplementor()

Method Details

implementNotNullAdd

protected abstract void implementNotNullAdd(WinAggContext info,
 WinAggAddContext add)

nonDefaultOnEmptySet

protected boolean nonDefaultOnEmptySet(WinAggContext info)

getNotNullState

public List<Type> getNotNullState(WinAggContext info)

implementNotNullReset

protected void implementNotNullReset(WinAggContext info,
 WinAggResetContext reset)

implementNotNullResult

protected Expression implementNotNullResult(WinAggContext info,
 WinAggResultContext result)

implementNotNullAdd

protected final void implementNotNullAdd(AggContext info,
 AggAddContext add)

Specified by:

implementNotNullAdd in class StrictAggImplementor

nonDefaultOnEmptySet

protected boolean nonDefaultOnEmptySet(AggContext info)

Overrides:

nonDefaultOnEmptySet in class StrictAggImplementor

getNotNullState

public final List<Type> getNotNullState(AggContext info)

Overrides:

getNotNullState in class StrictAggImplementor

implementNotNullReset

protected final void implementNotNullReset(AggContext info,
 AggResetContext reset)

Overrides:

implementNotNullReset in class StrictAggImplementor

implementNotNullResult

protected final Expression implementNotNullResult(AggContext info,
 AggResultContext result)

Overrides:

implementNotNullResult in class StrictAggImplementor

needCacheWhenFrameIntact

public boolean needCacheWhenFrameIntact()

Specified by:

needCacheWhenFrameIntact in interface WinAggImplementor