HHH-11729 - Add clarifications in the User Guide related to how Hibernate FetchMode types translate to JPA
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@ -284,16 +284,19 @@ it allows you to fetch all the required data with a single query.
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=== The `@Fetch` annotation mapping
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Besides the `FetchType.LAZY` or `FetchType.EAGER` JPA annotations,
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you can also use the Hibernate-specific `@Fetch` annotation that accepts one of the following `FetchMode`s:
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you can also use the Hibernate-specific `@Fetch` annotation that accepts one of the following `FetchMode(s)`:
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SELECT::
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Use a secondary select for each individual entity, collection, or join load.
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The association is going to be fetched lazily using a secondary select for each individual entity,
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collection, or join load.
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It's equivalent to JPA `FetchType.LAZY` fetching strategy.
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JOIN::
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Use an outer join to load the related entities, collections or joins.
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Use an outer join to load the related entities, collections or joins when using direct fetching.
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It's equivalent to JPA `FetchType.EAGER` fetching strategy.
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SUBSELECT::
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Available for collections only.
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When accessing a non-initialized collection, this fetch mode will trigger loading all elements of all collections of the same role
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for all owners associated with the persistence context using a single secondary select.
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Available for collections only. When accessing a non-initialized collection,
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this fetch mode will trigger loading all elements of all collections of the same role for all owners associated
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with the persistence context using a single secondary select.
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[[fetching-fetchmode-select]]
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=== `FetchMode.SELECT`
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