RexImpTable.FirstValueImplementor (Apache Calcite API)

java.lang.Object
- org.apache.calcite.adapter.enumerable.RexImpTable.FirstLastValueImplementor
- - org.apache.calcite.adapter.enumerable.RexImpTable.FirstValueImplementor

All Implemented Interfaces:

AggImplementor, WinAggImplementor

Enclosing class:

RexImpTable
```
static class RexImpTable.FirstValueImplementor
extends RexImpTable.FirstLastValueImplementor
```
Implementor for the FIRST_VALUE windowed aggregate function.

- Nested Class Summary
  - Nested classes/interfaces inherited from interface org.apache.calcite.adapter.enumerable.WinAggImplementor
    WinAggImplementor.SeekType
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  protected FirstValueImplementor()
- Method Summary
  - Methods inherited from class org.apache.calcite.adapter.enumerable.RexImpTable.FirstLastValueImplementor
    getStateType, implementAdd, implementReset, implementResult, needCacheWhenFrameIntact
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FirstValueImplementor
```
protected FirstValueImplementor()
```