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https://issues.apache.org/jira/browse/OPENJPA-961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12690084#action_12690084
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Catalina Wei commented on OPENJPA-961:
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Support for elment collection within embeddable is checked in under r759330.
Examples:
select e from EntityA_Embed_Coll_Embed a , in (a.embed.embeds) e
where EntityA_Embed_Coll_Embed contains an embeddable object "embed" and that
embeddable object contains an element collection.
> Support projection of element collection from a JPQL query
> ----------------------------------------------------------
>
> Key: OPENJPA-961
> URL: https://issues.apache.org/jira/browse/OPENJPA-961
> Project: OpenJPA
> Issue Type: Sub-task
> Components: jpa
> Affects Versions: 2.0.0
> Reporter: Jeremy Bauer
> Assignee: Catalina Wei
>
> This task is to support projection of element collection elements within a
> JPQL query. Ex. (SELECT b FROM ColEnt a JOIN a.coll b) where coll is an
> element collection within entity A. There are some assertions commented out
> in TestOrderColumn.java that use JPQL for validation. They can be used to
> help test this task.
> // This validator is disabled until INDEX projection supports element
> // collections
> // validateIndexAndValues(em, "BaseTestEntity", "collelems", 10,
> // new Object[] { elems[0], elems[1], elems[2]} "id",
> // bte.getId());
> and
> // This validator is disabled until INDEX projection supports element
> // collections
> // validateIndexAndValues(em, "Owner", "bikeColl", 0,
> // bikeArr, "id",
> // oid);
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