[JIRA] (HHH-15664) Documentation states that native database array types are unsupported
by Yoann Rodière (JIRA)
Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue
Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiZDM2ODA4NmRl... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-15664?atlOrigin=eyJpIjoiZDM2OD... ) HHH-15664 ( https://hibernate.atlassian.net/browse/HHH-15664?atlOrigin=eyJpIjoiZDM2OD... ) Documentation states that native database array types are unsupported ( https://hibernate.atlassian.net/browse/HHH-15664?atlOrigin=eyJpIjoiZDM2OD... )
Issue Type: Bug Affects Versions: 6.1.5 Assignee: Christian Beikov ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: documentation Created: 04/Nov/2022 03:24 AM Fix Versions: 6.2.0, 6.1.6 Priority: Major Reporter: Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... )
The documentation states that “Hibernate doesn’t support native database array types”, but AFAIU, Hibernate ORM 6 does support them, so we should probably update the documentation?
See https://docs.jboss.org/hibernate/orm/current/userguide/html_single/Hibern... ( https://docs.jboss.org/hibernate/orm/current/userguide/html_single/Hibern... ) , section “2.9.16. Arrays”:
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> When discussing arrays, it is important to understand the distinction
> between SQL array types and Java arrays that are mapped as part of the
> application’s domain model.
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> Not all databases implement the SQL-99 ARRAY type and, for this reason,
> Hibernate doesn’t support native database array types.
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> Hibernate does support the mapping of arrays in the Java domain model -
> conceptually the same as mapping a List. However, it is important to
> realize that it is impossible for Hibernate to offer lazy-loading for
> arrays of entities and, for this reason, it is strongly recommended to map
> a "collection" of entities using a List rather than an array.
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Also note this section is apparently using the same anchor ID as “2.9.6. Mapping Arrays”; we should probably fix that as well.
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1 year, 10 months