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Java Persistence with Hibernate
book

Java Persistence with Hibernate

by Gavin King, Christian Bauer
October 2006
Intermediate to advanced content levelIntermediate to advanced
880 pages
22h 11m
English
Manning Publications
Content preview from Java Persistence with Hibernate

15.4. Caching query results

We talked about the second-level cache and Hibernate's general cache architecture in chapter 13, section 13.3, "Caching fundamentals." You know that the second-level cache is a shared cache of data, and that Hibernate tries to resolve data through a lookup in this cache whenever you access an unloaded proxy or collection or when you load an object by identifier (these are all identifier lookups, from the point of view of the second-level cache). Query results, on the other hand, are by default not cached.

Some queries still use the second-level cache, depending on how you execute a query. For example, if you decide to execute a query with iterate(), as we showed in the previous chapter, only the primary keys of entities ...

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