Java Persistence API (JPA) Extensions Reference for EclipseLink, Release 2.4
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4 JPA Query Customization Extensions

You can specify EclipseLink query hints (JPA query extensions) by:

EclipseLink supplies the following query hints:

All EclipseLink query hints are defined in the QueryHints class in the org.eclipse.persistence.config package. When you set a hint, you can set the value using the public static final field in the appropriate configuration class in org.eclipse.persistence.config package, including the following:

For more information, see Section 10.3.1 "NamedQuery Annotation" in the JPA Specification (