Package com.exasol.sql.dql.select

Class Join

java.lang.Object

com.exasol.sql.AbstractFragment

com.exasol.sql.dql.select.Join

All Implemented Interfaces:

SelectFragment, Fragment

public class Join
extends AbstractFragment
implements SelectFragment

This class implements the Join part of a WHERE clause.

Field Summary

Fields inherited from class com.exasol.sql.AbstractFragment

root

Constructor Summary

Constructors

Constructor	Description
Join(Fragment root, JoinType type, String name, String specification)	Create a new Join instance

Method Summary

Modifier and Type	Method	Description
void	accept(SelectVisitor visitor)	Accept a visitor (e.g.
String	getName()	Get the name of the joined table
String	getSpecification()	Get the join specification
JoinType	getType()	Get the type of the join

Methods inherited from class com.exasol.sql.AbstractFragment

getRoot

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.exasol.sql.Fragment

getRoot

Constructor Detail

Join

public Join(Fragment root,
            JoinType type,
            String name,
            String specification)

Create a new Join instance

Parameters:

root - SQL statement this JOIN belongs to

type - type of join (e.g. INNER, LEFT or RIGHT OUTER)

name - name of the table to be joined

specification - join specification (e.g. ON or USING)

Method Detail

getType

public JoinType getType()

Get the type of the join

Returns:

join type (e.g. INNER or LEFT)

getName

public String getName()

Get the name of the joined table

Returns:

name of the joined table

getSpecification

public String getSpecification()

Get the join specification

Returns:

join specification

accept

public void accept(SelectVisitor visitor)

Description copied from interface: SelectFragment

Accept a visitor (e.g. a renderer or validator)

Specified by:

accept in interface SelectFragment

Parameters:

visitor - visitor to accept