* Support calculating changes between consecutive sum statistics
* Add support for unit conversion when calculating change
* Don't include sum in WS response unless requested
* Improve tests
* Break out calculating change to its own function
* Improve test coverage
* Avoid database executor job to fetch statistic metadata on cache hit
Since we will almost always have a cache hit fetching
statistic meta data we can avoid an executor job
* Avoid database executor job to fetch statistic metadata on cache hit
Since we will almost always have a cache hit fetching
statistic meta data we can avoid an executor job
* Avoid database executor job to fetch statistic metadata on cache hit
Since we will almost always have a cache hit fetching
statistic meta data we can avoid an executor job
* remove exception catch since the threading.excepthook will actually catch this in production
* fix a few missed ones
* threadsafe
* Update homeassistant/components/recorder/table_managers/statistics_meta.py
* coverage and optimistic caching
* Add helper to calculate statistic period start and end
* Don't parse values in resolve_period
* Add specific test for resolve_period
* Improve typing
* Move to recorder/util.py
* Extract period schema
* Add websocket type hints in components
* Adjust
* Apply suggestion
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
* Allow to set CONF_DB_URL
This is useful for test which need a custom DB path.
* Introduce write_lock_db helper to lock SQLite database
* Introduce Websocket API which allows to lock database during backup
* Fix isort
* Avoid mutable default arguments
* Address pylint issues
* Avoid holding executor thread
* Set unlock event in case timeout occures
This makes sure the database is left unlocked even in case of a race
condition.
* Add more unit tests
* Address new pylint errors
* Lower timeout to speedup tests
* Introduce queue overflow test
* Unlock database if necessary
This makes sure that the test runs through in case locking actually
succeeds (and the test fails).
* Make DB_LOCK_TIMEOUT a global
There is no good reason for this to be an argument. The recorder needs
to pick a sensible value.
* Add Websocket Timeout test
* Test lock_database() return
* Update homeassistant/components/recorder/__init__.py
Co-authored-by: Erik Montnemery <erik@montnemery.com>
* Fix format
Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Erik Montnemery <erik@montnemery.com>
* Add WS API for removing statistics for a list of statistic_ids
* Refactor according to code review, enable foreign keys support for sqlite
* Adjust tests
* Move clear_statistics WS API to recorder
* Adjust tests after rebase
* Update docstring
* Update homeassistant/components/recorder/websocket_api.py
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
* Adjust tests after rebase
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
