org.apache.calcite.adapter.enumerable

Class RexImpTable.RankImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.StrictAggImplementor

org.apache.calcite.adapter.enumerable.StrictWinAggImplementor

org.apache.calcite.adapter.enumerable.RexImpTable.RankImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

Direct Known Subclasses:

RexImpTable.DenseRankImplementor

Enclosing class:

RexImpTable

static class RexImpTable.RankImplementor
extends StrictWinAggImplementor

Implementor for the RANK 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
RankImplementor()

Method Summary

Modifier and Type	Method and Description
protected Expression	computeNewRank(Expression acc, WinAggAddContext add)
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, 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

RankImplementor

RankImplementor()

Method Detail

implementNotNullAdd

protected void implementNotNullAdd(WinAggContext info,
                                   WinAggAddContext add)

Specified by:

implementNotNullAdd in class StrictWinAggImplementor

computeNewRank

protected Expression computeNewRank(Expression acc,
                                    WinAggAddContext add)

implementNotNullResult

protected Expression implementNotNullResult(WinAggContext info,
                                            WinAggResultContext result)

Overrides:

implementNotNullResult in class StrictWinAggImplementor