[jira] [Commented] (NIFIREG-77) Allow a user to see the changes created by the currently loaded version

["Rob Moran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFIREG-77?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16313321#comment-16313321 ] 

Rob Moran commented on NIFIREG-77:
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Described as the "even better solution" in the issue description, I think what is ultimately needed is a _diff_ feature where a user – from the Registry UI – can view a side-by-side comparison of any two versions of a resource.

From the NiFi UI side, the diff view can be repurposed to show when a user chooses the _show local changes_ action, and *optionally* when a user submits a _change version_ action. I emphasize optionally in case they absolutely know they want to change versions and don't need to see a diff.

Perhaps in the NiFi UI, the _show local changes_ action becomes _compare versions_ which would allow the user to select any two versions (including the local one if it's modified).

The action – _compare versions_ – would then be used consistently across the Registry and NiFi UIs and result in the same experience. 

> Allow a user to see the changes created by the currently loaded version
> -----------------------------------------------------------------------
>
>                 Key: NIFIREG-77
>                 URL: https://issues.apache.org/jira/browse/NIFIREG-77
>             Project: NiFi Registry
>          Issue Type: Improvement
>    Affects Versions: 0.1.0
>            Reporter: Joseph Percivall
>            Priority: Critical
>
> As a user, I would like to see the changes that are included in a particular version. More specifically, if I'm on an old version and I upgrade to a version written by someone else, I have no way to know what changes occurred during that version upgrade.
> A simple solution would be to utilize the same logic which displays the current differences between local and stored in the registry and use that to show the differences between the current version N and version N-1. The user could then change between versions to see the changes that happened as part of that version.
> An even better solution (from a DFM perspective) would be to be able to see the changes within any version (not just the most recent). That way a DFM wouldn't have to stop the flow for an extended period of time to view the changes/differences in different versions but I think that'd be more work.



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