com.facebook.presto.sql.tree

Class DropColumn

java.lang.Object

com.facebook.presto.sql.tree.Node

com.facebook.presto.sql.tree.Statement

com.facebook.presto.sql.tree.DropColumn

public class DropColumn
extends Statement

Constructor Summary

Constructors

Constructor and Description
DropColumn(NodeLocation location, QualifiedName table, Identifier column, boolean tableExists, boolean columnExists)
DropColumn(QualifiedName table, Identifier column, boolean tableExists, boolean columnExists)

Method Summary

Modifier and Type	Method and 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()
Identifier	getColumn()
QualifiedName	getTable()
int	hashCode()
boolean	isColumnExists()
boolean	isTableExists()
String	toString()

Methods inherited from class com.facebook.presto.sql.tree.Node

getLocation

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DropColumn

public DropColumn(QualifiedName table,
                  Identifier column,
                  boolean tableExists,
                  boolean columnExists)

DropColumn

public DropColumn(NodeLocation location,
                  QualifiedName table,
                  Identifier column,
                  boolean tableExists,
                  boolean columnExists)

Method Detail

getTable

public QualifiedName getTable()

getColumn

public Identifier getColumn()

isTableExists

public boolean isTableExists()

isColumnExists

public boolean isColumnExists()

accept

public <R,C> R accept(AstVisitor<R,C> visitor,
                      C context)

Description copied from class: Node

Accessible for AstVisitor, use AstVisitor.process(Node, Object) instead.

Overrides:

accept in class Statement

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

toString

public String toString()

Specified by:

toString in class Node