[teiid-issues] [JBoss JIRA] (TEIID-5809) Please add support for deltatoken, not sure if bug or feature request

[Christoph John (Jira)]

    [ https://issues.jboss.org/browse/TEIID-5809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13775989#comment-13775989 ] 

Christoph John commented on TEIID-5809:
---------------------------------------

Hello Steven

<<Are you potentially looking for something like CDC/Debizium integration to provide a topic queue that can be processed for updates?

I do not know these tools. But Debizium looks like something different.
I am using OpenUI5 placed into a Cordova container as my frontend. SAP seems to provide an odata offline plugin for Cordova (not sure yet if I can get it open source). I am currently participating in a MOOC. This week they showed a tutorial for the backend. Seems like their database layout generator adds two additional columns to each table, "deleted" and "last modified". They also provide a deltatoken command. Exactely like you mentioned. My hope was that there might be some support in Olingo already that I could reuse.  Are you aware of a javascript based odata frontend which supports offline odata together with Teiid? Seems like there is quite much involved to get syncing right if I have to implement it myself.

> Please add support for deltatoken, not sure if bug or feature request
> ---------------------------------------------------------------------
>
>                 Key: TEIID-5809
>                 URL: https://issues.jboss.org/browse/TEIID-5809
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: OData
>    Affects Versions: 13.x
>            Reporter: Christoph John
>            Assignee: Steven Hawkins
>            Priority: Major
>
> Hello Steven,
> I am currently looking into the use of the deltatoken for offline synchronization. It seems like Teiid simply ignores the command. The following example results in the full collection to be 
> returned and not just the differences according to the deltatoken date. Is the deltatoken a feature which should currently work?
> https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary?!deltatoken=2019-10-05T14:01:01Z



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