Anton Arefiev 71099c9248 Change (started|finished)_at column type
Db column started_at and finished_at are defined as float type, but
float time doesn't fit into default db Float size. This change migrates
columns type to DateTime.

Closes-Bug: 1658975
Change-Id: I13bbb3c9a3e6e8bc744473437a378453ebc81318
2017-01-25 09:23:00 +00:00
..
2015-11-02 17:24:52 +00:00