RexImpTable.SystemFunctionImplementor (Apache Calcite API)

java.lang.Object
- org.apache.calcite.adapter.enumerable.RexImpTable.SystemFunctionImplementor

All Implemented Interfaces:

CallImplementor

Enclosing class:

RexImpTable
```
private static class RexImpTable.SystemFunctionImplementor
extends java.lang.Object
implements CallImplementor
```
Implementor for SQL system functions.
Several of these are represented internally as constant values, set per execution.

Constructor Summary

Constructors
Modifier Constructor Description

private SystemFunctionImplementor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Expression`	`implement(RexToLixTranslator translator, RexCall call, RexImpTable.NullAs nullAs)`	Implements a call.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SystemFunctionImplementor
```
private SystemFunctionImplementor()
```
- Method Detail
  - implement
```
public Expression implement(RexToLixTranslator translator,
                            RexCall call,
                            RexImpTable.NullAs nullAs)
```
    Description copied from interface: CallImplementor
    
    Implements a call.
    
    Specified by:
    
    implement in interface CallImplementor
    
    Parameters:
    
    translator - Translator for the call
    
    call - Call that should be implemented
    
    nullAs - The desired mode of null translation
    
    Returns:
    
    Translated call