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NULL prefered in ORDER BY?

> @Entity class Hint {     private String name; } @Entity class Test {     private Hint hint; } I've got a few Test entries, some do have a hint assigned, some do not (NULL). Now when I do something like

javax.persistence.FetchType

. The LAZY strategy is a hint to the persistence provider runtime that data ... for which the LAZY strategy hint has been specified. Example:

queries under 2.7.6_4 significantly slower than under 2.7.6

issue #2379. As a workaround you can use a query hint ... . However, during the work on this issue it was found that the new query plan hint feature that was introduced ... requires (using a hint) to use a query plan with a specific index. It should be executed much faster.

queries more than 10 times slower using 2.8.1 versus 2.7.6

hint does not help, measures: version 2.8.1 query: select distinct o ... #9 the hint is for your first query in post #6. Does it help with that query? hint for that query. Obviously forcing ObjectDB

ManyToOne.fetch

fetched. The LAZY strategy is a hint to the persistence provider runtime.

javax.persistence.ElementCollection

elements must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime

OneToMany.fetch

fetched. The LAZY strategy is a hint to the persistence provider runtime.

Basic.optional

. This is a hint and is disregarded for primitive types; it may be used in schema generation. If not specified

javax.jdo.datastore.Sequence

;additional) Provides a hint to the implementation ... . Provides a hint

evict(pc)

completion. This method allows the application to explicitly provide a hint to the