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https://issues.apache.org/jira/browse/UNOMI-737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francois Gerthoffert updated UNOMI-737:
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    Description: 
Provide migration scripts to reindex previously existing unomi items in the new 
single index.

*The migration could also check that all IDs of all items that will be moved to 
the single-index are uniques, to avoid conflicts and overriding things without 
being notified.*

If there is an ID conflict during migration, rename one of the two with _NUMBER 
on the fly, and log the change as a WARNING.

Make sure to handle objects that were created programmatically

  was:
Provide migration scripts to reindex previously existing unomi items in the new 
single index.

*The migration could also check that all IDs of all items that will be moved to 
the single-index are uniques, to avoid conflicts and overriding things without 
being notified.*

If there is an ID conflict during migration, rename one of the two with _NUMBER 
on the fly, and log the change as a WARNING.


> Metadata Items: indices reduction migration
> -------------------------------------------
>
>                 Key: UNOMI-737
>                 URL: https://issues.apache.org/jira/browse/UNOMI-737
>             Project: Apache Unomi
>          Issue Type: Task
>            Reporter: Kevan Jahanshahi
>            Priority: Major
>
> Provide migration scripts to reindex previously existing unomi items in the 
> new single index.
> *The migration could also check that all IDs of all items that will be moved 
> to the single-index are uniques, to avoid conflicts and overriding things 
> without being notified.*
> If there is an ID conflict during migration, rename one of the two with 
> _NUMBER on the fly, and log the change as a WARNING.
> Make sure to handle objects that were created programmatically



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