com.exasol.sql.dml.merge

Class NotMatchedClause

java.lang.Object

com.exasol.sql.AbstractFragment

com.exasol.sql.dml.merge.NotMatchedClause

All Implemented Interfaces:

MergeFragment, Fragment

public class NotMatchedClause
extends AbstractFragment
implements MergeFragment

Representation of the WHEN NOT MATCHED part of an SQL MERGE statement.

Field Summary

Fields inherited from class com.exasol.sql.AbstractFragment

root

Constructor Summary

Constructors

Constructor and Description
NotMatchedClause(Fragment root) Create a new instance of a NotMatchedClause.

Method Summary

Modifier and Type	Method and Description
void	accept(MergeVisitor visitor) Accept a visitor (e.g.
MergeInsertClause	getInsert() Get the THEN INSERT clause.
boolean	hasInsert() Check if the THEN INSERT clause is present.
MergeInsertClause	thenInsert() Select inserting as merge strategy for rows from the source for which no match in the destination exists.

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

NotMatchedClause

public NotMatchedClause(Fragment root)

Create a new instance of a NotMatchedClause.

Parameters:

root - root SQL statement this WHEN NOT MATCHED clause belongs to

Method Detail

thenInsert

public MergeInsertClause thenInsert()

Select inserting as merge strategy for rows from the source for which no match in the destination exists.

Returns:

update clause

hasInsert

public boolean hasInsert()

Check if the THEN INSERT clause is present.

Returns:

true if the THEN INSERT clause is present

getInsert

public MergeInsertClause getInsert()

Get the THEN INSERT clause.

Returns:

THEN INSERT clause

accept

public void accept(MergeVisitor visitor)

Description copied from interface: MergeFragment

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

Specified by:

accept in interface MergeFragment

Parameters:

visitor - visitor to accept