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From Eirik Thorsnes <>
Subject Database schema correctness when following development versions
Date Mon, 18 Apr 2016 09:12:27 GMT
Hi All,

What happens in the following scenario:

1. compile Ambari from git snapshot of an unreleased branch (e.g. 2.2.2)
2. install and upgrade schema in db (from e.g. Ambari 2.1.0 or 2.2.0)
3. changes to the 2.2.2 schema is introduced in the git branch
4. compile Ambari from a new git snapshot of the same branch (2.2.2)
5. install and upgrade (run ambari upgrade command)

Will Ambari introduce the new schema changes from step 3. in step 5., or
will it see that the version (e.g. 2.2.2) is identical and not do the db
migration again?

Eirik Thorsnes

Eirik Thorsnes

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