RexImpTable.RowNumberImplementor (Apache Calcite API)

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 Description

RowNumberImplementor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<java.lang.reflect.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 java.util.List<java.lang.reflect.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