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https://issues.apache.org/jira/browse/CAUSEWAY-3779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17855673#comment-17855673
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Daniel Keir Haywood commented on CAUSEWAY-3779:
-----------------------------------------------

Hmm, seems that I was mistaken, there is no general purpose DN API that will do 
this efficiently.  

 

the PersistenceManager#getObjectsById(Collection) ultimately seems to iterate 
one by one (down in StorePersistenceHandler#findObjects(...) ).

So will likely have to roll-our-own if we want a performance improvement here.

> Support for Query By Id(s)
> --------------------------
>
>                 Key: CAUSEWAY-3779
>                 URL: https://issues.apache.org/jira/browse/CAUSEWAY-3779
>             Project: Causeway
>          Issue Type: Improvement
>          Components: Persistence JDO, Persistence JPA
>            Reporter: Andi Huber
>            Assignee: Andi Huber
>            Priority: Major
>             Fix For: 2.1.0, 3.1.0
>
>
> Given some stringified Entity IDs, fetch me all the entities with those IDs 
> in one bulk.



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