net.sf.mmm.util.query.api.feature

Interface FeatureUpsert<SELF extends FeatureUpsert<SELF>>

Type Parameters:

SELF - the generic type of this query itself (this) for fluent API calls.

All Superinterfaces:

StatementFeature

All Known Subinterfaces:

OrientDbUpdateStatement<E>

All Known Implementing Classes:

FeatureUpsertImpl, OrientDbUpdateStatementImpl

public interface FeatureUpsert<SELF extends FeatureUpsert<SELF>>
extends StatementFeature

StatementFeature for a Statement supporting an USPERT what is a mix of an insert and an update. If supported (e.g. by OrientDB) at all it is typically used by UpdateStatements.

Since:

8.0.0

Author:

hohwille

Method Summary

Modifier and Type	Method and Description
SELF	upsert() Marks the statement as UPSERT meaning that it is an insert of the object does not exist and an update if the object already exists.

Method Detail

upsert

SELF upsert()

Marks the statement as UPSERT meaning that it is an insert of the object does not exist and an update if the object already exists. An UPSERT requires a WHERE clause.

Returns:

this query instance for fluent API calls.