[OASIS Issue Tracker] Commented: (CMIS-566) Optional parameter"filter" needs clarification.

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

    [ http://tools.oasis-open.org/issues/browse/CMIS-566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16519#action_16519 ] 

Ryan McVeigh commented on CMIS-566:
-----------------------------------

Accepted

> Optional parameter "filter" needs clarification.
> ------------------------------------------------
>
>                 Key: CMIS-566
>                 URL: http://tools.oasis-open.org/issues/browse/CMIS-566
>             Project: OASIS Content Management Interoperability Services (CMIS) TC
>          Issue Type: Bug
>          Components: Domain Model
>    Affects Versions: Draft 0.70
>            Reporter: Ryan McVeigh
>            Assignee: Ethan Gur-esh
>
> 3.1.2.1 Properties
> Says: "the properties listed MUST be returned". What happens if a property is listed but the object-type of some of the results do not define such a property?
>           o For example, I call getChildren with filter=cmis:path" and the folder contains both cmis:document and cmis:folder base types? Those objects which are not cmis:folder do not have a cmis:path property, so is this a failure (throw exception) as I can not satisfy the MUST called out in 3.1.2.1 (that is, I MUST return cmis:path for the cmis:document objects, but this is not possible - so throw an exception? - seems harsh).
> How does filter work?
>           o Should it return only those properties which are listed, when the object actually has such a property (and thus just quietly ignore filter properties that don't apply)? Note that under some circumstances (e.g. in the above cmis:path example), this implies that some objects may be returned without any properties at all.
>           o Should it allow only properties which are in the intersection of all possible (or actual) object-types being returned?

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