Yuriy Nesenenko f5e77c982d Filter snapshots data on the DB side
It filters snapshots data on the DB side to improve performance. 
Some tests are removed from test_snapshots.py because their function
implemented on the DB side.

Partial-Implements: blueprint data-filtering-on-the-db-side
Change-Id: I1c3e47a4f3780de54d7a5920f463e26cc8b7bcc2
2015-06-25 15:06:27 +00:00
..
2015-06-18 10:17:53 +02:00
2015-05-13 08:36:53 -07:00