NullIfExpression (trino-parser 352 API)

java.lang.Object
- io.trino.sql.tree.Node
- - io.trino.sql.tree.Expression
  - - io.trino.sql.tree.NullIfExpression

```
public class NullIfExpression
extends Expression
```
NULLIF(V1,V2): CASE WHEN V1=V2 THEN NULL ELSE V1 END

Constructor Summary

Constructors
Constructor	Description
`NullIfExpression(Expression first, Expression second)`
`NullIfExpression(NodeLocation location, Expression first, Expression second)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R,C> R`	`accept(AstVisitor<R,C> visitor, C context)`	Accessible for `AstVisitor`, use `AstVisitor.process(Node, Object)` instead.
`boolean`	`equals(Object o)`
`List<Node>`	`getChildren()`
`Expression`	`getFirst()`
`Expression`	`getSecond()`
`int`	`hashCode()`
`boolean`	`shallowEquals(Node other)`	Compare with another node by considering internal state excluding any Node returned by getChildren()

Methods inherited from class io.trino.sql.tree.Expression
toString

Methods inherited from class io.trino.sql.tree.Node
getLocation

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

Constructor Detail

NullIfExpression

public NullIfExpression(Expression first,
                        Expression second)

NullIfExpression

public NullIfExpression(NodeLocation location,
                        Expression first,
                        Expression second)

Method Detail
- getFirst
```
public Expression getFirst()
```
- getSecond
```
public Expression getSecond()
```
- accept
```
public <R,C> R accept(AstVisitor<R,C> visitor,
                            C context)
```
  Description copied from class: Expression
  
  Accessible for AstVisitor, use AstVisitor.process(Node, Object) instead.
  
  Overrides:
  
  accept in class Expression
- getChildren
```
public List<Node> getChildren()
```
  Specified by:
  
  getChildren in class Node
- equals
```
public boolean equals(Object o)
```
  Specified by:
  
  equals in class Node
- hashCode
```
public int hashCode()
```
  Specified by:
  
  hashCode in class Node
- shallowEquals
```
public boolean shallowEquals(Node other)
```
  Description copied from class: Node
  
  Compare with another node by considering internal state excluding any Node returned by getChildren()
  
  Overrides:
  
  shallowEquals in class Node