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Posted to dev@openjpa.apache.org by "David Wisneski (JIRA)" <ji...@apache.org> on 2006/08/17 01:13:14 UTC
[jira] Created: (OPENJPA-20) Query can return embeddable class
Query can return embeddable class
---------------------------------
Key: OPENJPA-20
URL: http://issues.apache.org/jira/browse/OPENJPA-20
Project: OpenJPA
Issue Type: Bug
Components: docs
Reporter: David Wisneski
Priority: Minor
part 2 , chapter 4 of user manual on Entity, states that embeddable classes are never returned from a query.
This is not true as in the query
select e.address from EmpBean e
address could be defined as as embeddable class.
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[jira] Commented: (OPENJPA-20) Query can return embeddable class
Posted by "Patrick Linskey (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-20?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12476812 ]
Patrick Linskey commented on OPENJPA-20:
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I think of this as a feature, not a bug. Thoughts?
> Query can return embeddable class
> ---------------------------------
>
> Key: OPENJPA-20
> URL: https://issues.apache.org/jira/browse/OPENJPA-20
> Project: OpenJPA
> Issue Type: Bug
> Components: docs
> Reporter: David Wisneski
> Priority: Minor
>
> part 2 , chapter 4 of user manual on Entity, states that embeddable classes are never returned from a query.
> This is not true as in the query
> select e.address from EmpBean e
> address could be defined as as embeddable class.
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[jira] Commented: (OPENJPA-20) Query can return embeddable class
Posted by "Craig Russell (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-20?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12477043 ]
Craig Russell commented on OPENJPA-20:
--------------------------------------
I agree with Marc that it's a bug in the doc. The doc could also be reworded like "Embedded classes cannot be used as the first entity in the FROM clause of a query. They can only be returned by projecting from an entity that embeds them."
> Query can return embeddable class
> ---------------------------------
>
> Key: OPENJPA-20
> URL: https://issues.apache.org/jira/browse/OPENJPA-20
> Project: OpenJPA
> Issue Type: Bug
> Components: docs
> Reporter: David Wisneski
> Priority: Minor
>
> part 2 , chapter 4 of user manual on Entity, states that embeddable classes are never returned from a query.
> This is not true as in the query
> select e.address from EmpBean e
> address could be defined as as embeddable class.
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[jira] Commented: (OPENJPA-20) Query can return embeddable class
Posted by "Marc Prud'hommeaux (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-20?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12476856 ]
Marc Prud'hommeaux commented on OPENJPA-20:
-------------------------------------------
Or, alternately, a bug in the documentation. The current documentation phrasing is meant to point out that if entity Address is embedded in entity Company, then "select a from Address a" will never return the Company's embedded address. This could be clarified to say something like "Embedded classes are never returned directly from a query unless the query uses a projection on owning class to the embedded instance".
> Query can return embeddable class
> ---------------------------------
>
> Key: OPENJPA-20
> URL: https://issues.apache.org/jira/browse/OPENJPA-20
> Project: OpenJPA
> Issue Type: Bug
> Components: docs
> Reporter: David Wisneski
> Priority: Minor
>
> part 2 , chapter 4 of user manual on Entity, states that embeddable classes are never returned from a query.
> This is not true as in the query
> select e.address from EmpBean e
> address could be defined as as embeddable class.
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You can reply to this email to add a comment to the issue online.