org.apache.calcite.adapter.enumerable

Class RexImpTable.DenseRankImplementor

java.lang.Object

org.apache.calcite.adapter.enumerable.StrictAggImplementor

org.apache.calcite.adapter.enumerable.StrictWinAggImplementor

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

org.apache.calcite.adapter.enumerable.RexImpTable.DenseRankImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

Enclosing class:

RexImpTable

static class RexImpTable.DenseRankImplementor
extends RexImpTable.RankImplementor

Implementor for the DENSE_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
DenseRankImplementor()

Method Summary

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

Methods inherited from class org.apache.calcite.adapter.enumerable.RexImpTable.RankImplementor

implementNotNullAdd, implementNotNullResult

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

DenseRankImplementor

DenseRankImplementor()

Method Detail

computeNewRank

protected Expression computeNewRank(Expression acc,
                                    WinAggAddContext add)

Overrides:

computeNewRank in class RexImpTable.RankImplementor