RexImpTable.CountWinImplementor (Apache Calcite API)

java.lang.Object
- org.apache.calcite.adapter.enumerable.StrictAggImplementor
- - org.apache.calcite.adapter.enumerable.StrictWinAggImplementor
  - - org.apache.calcite.adapter.enumerable.RexImpTable.CountWinImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

Enclosing class:

RexImpTable
```
static class RexImpTable.CountWinImplementor
extends StrictWinAggImplementor
```
Implementor for the COUNT windowed aggregate function.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.calcite.adapter.enumerable.WinAggImplementor
  WinAggImplementor.SeekType

Field Summary

Fields
Modifier and Type Field Description

(package private) boolean justFrameRowCount

Constructor Summary

Constructors
Constructor Description

CountWinImplementor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<java.lang.reflect.Type>`	`getNotNullState(WinAggContext info)`
`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

Field Detail
- justFrameRowCount
```
boolean justFrameRowCount
```

Constructor Detail
- CountWinImplementor
```
CountWinImplementor()
```

Method Detail

getNotNullState

public java.util.List<java.lang.reflect.Type> getNotNullState(WinAggContext info)

Overrides:: getNotNullState in class StrictWinAggImplementor

implementNotNullAdd

public 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