Isnull (druid 1.2.26 API)

java.lang.Object
- com.alibaba.druid.sql.visitor.functions.Isnull

All Implemented Interfaces:: Function

public class Isnull
extends Object
implements Function

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static Isnull instance
- Constructor Summary
  
  Constructors
  Constructor Description
  
  Isnull()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- instance
```
public static final Isnull instance
```

Constructor Detail
- Isnull
```
public Isnull()
```

Method Detail

eval

public Object eval(SQLEvalVisitor visitor,
                   SQLMethodInvokeExpr x)

Specified by:: eval in interface Function