DereferenceExpression (trino-parser 352 API)

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

public class DereferenceExpression
extends Expression

Constructor Summary

Constructors
Constructor	Description
`DereferenceExpression(Expression base, Identifier field)`
`DereferenceExpression(NodeLocation location, Expression base, Identifier field)`

Method Summary

All Methods Static 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)`
`static Expression`	`from(QualifiedName name)`
`Expression`	`getBase()`
`List<Node>`	`getChildren()`
`Identifier`	`getField()`
`static QualifiedName`	`getQualifiedName(DereferenceExpression expression)`	If this DereferenceExpression looks like a QualifiedName, return QualifiedName.
`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

DereferenceExpression

public DereferenceExpression(Expression base,
                             Identifier field)

DereferenceExpression

public DereferenceExpression(NodeLocation location,
                             Expression base,
                             Identifier field)

Method Detail
- 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
- getBase
```
public Expression getBase()
```
- getField
```
public Identifier getField()
```
- getQualifiedName
```
public static QualifiedName getQualifiedName(DereferenceExpression expression)
```
  If this DereferenceExpression looks like a QualifiedName, return QualifiedName. Otherwise return null
- from
```
public static Expression from(QualifiedName name)
```
- 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