Julien Danjou c6a093511c Implements database upgrade as storage engine independent
Currently, calling ceilometer-dbsync will be default raises an error since
it tries to upgrade a SQL database, even if mongo (the default) is used.
This patch fixes that by adding an upgrade capability to the storage engine
connection base class, and implementing it only in SQL.

Change-Id: I9a0da235ef3a93aaefd1b122d59f244ea293e9fe
Signed-off-by: Julien Danjou <julien@danjou.info>
2012-12-10 14:10:17 +01:00
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