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https://issues.apache.org/jira/browse/OLINGO-964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15341884#comment-15341884
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Jacek Miłaczewski commented on OLINGO-964:
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I attached the patch to this JIRA ticket on 30/May. Is it not enough?
> Cast type (typeFilterOnCollection) not taken into account while expanding a
> collection
> --------------------------------------------------------------------------------------
>
> Key: OLINGO-964
> URL: https://issues.apache.org/jira/browse/OLINGO-964
> Project: Olingo
> Issue Type: Bug
> Components: odata4-server
> Affects Versions: (Java) V4 4.2.0, (Java) V4 4.3.0
> Reporter: Jacek Miłaczewski
> Priority: Critical
> Attachments:
> 0001-fix-proposal-for-cast-type-not-taken-into-account-wh.patch
>
>
> When user want to expand collection of entities (e.g. 'Products') with
> casting type of this collection to some subtype (''FeaturedProduct) and use
> property from this subtype as navigation property to be expanded
> ('Advertisement'), error occurs because of not taking into account this
> subtype in ExpandParser.java code but use only superType instead.
> Example url:
> http://.../OData.svc/Categories(1)?$expand=Products/ODataDemo.FeaturedProduct($expand=Advertisement)
> I attach a patch with proposal fix to illustrate what is going on and how it
> should work in my opinion.
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