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https://issues.apache.org/jira/browse/OLINGO-1146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177948#comment-16177948
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Michael Bolz commented on OLINGO-1146:
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Hi all,
I changed the filter parsing that only the last property is checked regarding
invalid multiplicity (see [this
commit|https://git-wip-us.apache.org/repos/asf?p=olingo-odata2.git;a=commit;h=6ce2421a5d7ebb40d6456d12f38913f725e87457]).
Accordingly the filter on navigation now works again (however I have to admit
that for the JPA extension we need a lot more tests).
For the case that filter on navigation property still do not work, please
reopen and give detailed feedback.
Regards, Michael
> CLONE - Cannot Filter on Navigation Property
> --------------------------------------------
>
> Key: OLINGO-1146
> URL: https://issues.apache.org/jira/browse/OLINGO-1146
> Project: Olingo
> Issue Type: Bug
> Components: odata2-jpa
> Affects Versions: V2 2.0.0
> Reporter: igor nemtsov
> Assignee: Michael Bolz
> Fix For: V2 2.0.10
>
> Attachments: olingo-414-exception.diff, olingo-414-patch.diff,
> olingo-odata2-parent.patch
>
>
> We are receiving an error when we try to filter on a navigation property. In
> our solution we have a Notification entity and a User entity, we would like
> to retrieve a specific Notification but only if it is linked to the
> requesting user. This would involve an ODATA request which filters on both
> the UserId and the NotificationId. An example of the URL we are invoking is:
> dspplatform.svc/Notifications?$filter=NotificationId%20eq%204%20and%20UserDetails/UserId%20eq%202
> This returns the following error:
> org.apache.olingo.odata2.core.edm.provider.EdmNavigationPropertyImplProv
> cannot be cast to org.apache.olingo.odata2.api.edm.EdmProperty
> Can you please advise on how to perform filters on a Navigation property as
> we need this as part of our core functionality?
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