tsio: remove spurious print
cache/policy_by_name: fix incomplete query
test/cache: exhibit issue with `policy_by_name`
Just pip-install it:
$ pip install tshistory_refinery
Create first a postgresql database:
$ createdb my_time_series
Then initialize the database schema:
$ tsh init-db postgresql:///my_time_series --no-dry-run
Last item: we need a configuration file refinery.cfg in the home
directory, containing:
[db]
uri = postgresql:///my_time_series