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[Bug 1207750] Re: Test db_migrations doesn't work concurrently

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 04 Dec 2013 10:28:11 -0000
Reply-to: Bug 1207750 <1207750@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1207750

Title:
  Test db_migrations doesn't work concurrently

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  When running with alternative test_migrations.conf odd errors occur.

  For example, with just mysql tests often the database/tables disappear
  pre-maturely:

  ProgrammingError: (ProgrammingError) (1146, "Table
  'test_migrations.migrate_version' doesn't exist") 'SELECT
  migrate_version.repository_id, migrate_version.repository_path,
  migrate_version.version \nFROM migrate_version \nWHERE
  migrate_version.repository_id = %s' ('nova',)

  
  With both sqlite and mysql it sometimes actually works. Possibly this is due to race conditions.

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