Package io.trino.sql.tree

Class NullIfExpression

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

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 Details

NullIfExpression

public NullIfExpression(Expression first,
 Expression second)

NullIfExpression

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

Method Details

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