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https://issues.apache.org/jira/browse/ATLAS-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969859#comment-15969859
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David Radley commented on ATLAS-1734:
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[~ashutoshm] i am uncomfortable with an import being able to change the shape
of an entity. Imports should be for creates and updates of entity instances. We
would like Atlas to be a metadata repository for governance - so I suggest we
need to control who updates the metadata. Updating schema- like information
should not be done in an import. The import could flag that there are
additional fields associated with entities, so that appropriate type changes
could be made in a controlled way. The import should have controls to determine
its behaviour in these sort of scenarios. I would suggest most companies would
want to fail the complete import if a situation occurred like this - or ignore
the unrecognized attributes.
> Import API: Add Support to Update Attributes of Existing Types During Import
> ----------------------------------------------------------------------------
>
> Key: ATLAS-1734
> URL: https://issues.apache.org/jira/browse/ATLAS-1734
> Project: Atlas
> Issue Type: Improvement
> Components: atlas-core
> Affects Versions: trunk, 0.8-incubating
> Reporter: Ashutosh Mestry
> Assignee: Ashutosh Mestry
> Labels: patch
> Fix For: trunk
>
> Attachments:
> ATLAS-1734-Import-with-additional-attribute-processi.patch
>
>
> *Background*
> Existing version of Import API allows for importing types that are not
> already present in the system being imported in. This causes import to fail
> in the cases where the data being imported happens to have the additional
> attribute.
> *Solution*
> During import, existing types are checked to determine if the types being
> imported have additional attributes. If additional attributes exist, then the
> existing type is updated with the new attributes. The import then proceeds.
> *Impact Assessment*
> - Import API:
> -- Type import: Additional capability (mentioned above).
> -- Entity creation and processing: No impact.
> - Export API: No impact.
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