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https://issues.apache.org/jira/browse/ATLAS-3902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Mestry updated ATLAS-3902:
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Summary: Import Service: Importing Data With Differing GUIDs for Same
Unique Attributes Causes Errors in Certain Cases (was: Import Service:
Importing Data With Differing GUIDs for Same Unique Attributes Causes Errors)
> Import Service: Importing Data With Differing GUIDs for Same Unique
> Attributes Causes Errors in Certain Cases
> -------------------------------------------------------------------------------------------------------------
>
> Key: ATLAS-3902
> URL: https://issues.apache.org/jira/browse/ATLAS-3902
> Project: Atlas
> Issue Type: Bug
> Components: atlas-core
> Affects Versions: 2.0.0, trunk, 2.1.0
> Reporter: Ashutosh Mestry
> Assignee: Ashutosh Mestry
> Priority: Major
> Fix For: trunk, 2.1.0
>
>
> *Background*
> Consider the scenario where 2 clusters containing Atlas are setup to be
> synchronized Atlas' export and import APIs. If the source Atlas has changes
> where table is dropped and re-created with same name. The table's entity
> within Atlas will get a new GUID but will continue to have the same
> _qualifiedName_.
> This case is handled within the Import API.
> However, the case that is not handled is to perform similar update on to the
> table's storage descriptor.
> *Steps to Duplicate*
> # Create a schema within Hive containing database, tables, columns and
> views. Atlas will reflect the changes. Perform export. Generate _s1.zip_.
> # Drop schema.
> # Re-create the same schema within Hive. Perform export. Generate _s2.zip_.
> # Clear Atlas database.
> # Import _s1.zip_. Observe _application.log_.
> # Import s2.zip. Observe _application.log_. During import log will generate
> messages like '_GUID Updated: Entity..._'
> _Expected result:_ Import should succeed with messages indicating changes
> entity's GUID.
> _Actual result_: Import fails with errors indicating schema violation
> (_AtlasSchemaViolation_)
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