Ashutosh Mestry created ATLAS-3193:
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Summary: Import Service: Importing to Existing Database Fails
Key: ATLAS-3193
URL: https://issues.apache.org/jira/browse/ATLAS-3193
Project: Atlas
Issue Type: Bug
Components: atlas-core
Affects Versions: trunk
Reporter: Ashutosh Mestry
Assignee: Ashutosh Mestry
Fix For: trunk
*Background*
Existing implementation of import assumes that the top-level entity is absent
in the server that it is importing to.
Users create a place holder entity and then attempt an import. This results in
failure to import.
*Steps to Duplicate*
* From beeline: _create database stocks;_ From Atlas ensure that _hive_db_
with _qualifiedName:_ _stocks@cl1_ is created.
* Import stocks database (from _/repository/src/test/resources/stocks.zip_).
*_Expected Results_*
Import will be performed successfully.
*_Actual Results_*
Import fails with exception.
*Solution Guidance*
* Before starting import, check existence of top-level entities on the server.
* If top-level entity exists, update its GUID with the one from incoming
entity. Preserve the changed guid a new field say ___historicalGuids_.
* If none exist, proceed normally.
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