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Improve db performance of state change events and reduce overall db size (#36883)

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* Add old_state_id to states, remove old/new state data from events since it can now be found by a join

* remove state lookup on restart

* Ensure old_state is set for exisitng states
This commit is contained in:
J. Nick Koston
2020-06-17 22:26:41 -05:00
committed by GitHub
parent 94132e5572
commit e7d982ee11
6 changed files with 83 additions and 26 deletions
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17
tests/components/logbook/test_init.py
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@@ -1215,10 +1215,10 @@ class TestComponentLogbook(unittest.TestCase):
self, entity_id, event_time_fired, old_state, new_state
):
"""Create a state changed event from a old and new state."""
event_data_json = json.dumps(
{"entity_id": entity_id, "old_state": old_state, "new_state": new_state},
cls=JSONEncoder,
)
attributes = {}
if new_state is not None:
attributes = new_state.get("attributes")
attributes_json = json.dumps(attributes, cls=JSONEncoder)
row = collections.namedtuple(
"Row",
[
@@ -1230,18 +1230,23 @@ class TestComponentLogbook(unittest.TestCase):
"state"
"entity_id"
"domain"
"attributes"
"state_id",
"old_state_id",
],
)
row.event_type = EVENT_STATE_CHANGED
row.event_data = event_data_json
row.event_data = "{}"
row.attributes = attributes_json
row.time_fired = event_time_fired
row.state = new_state and new_state.get("state")
row.entity_id = entity_id
row.domain = entity_id and ha.split_entity_id(entity_id)[0]
row.context_id = None
row.context_user_id = None
row.old_state_id = old_state and 1
row.state_id = new_state and 1
return logbook.LazyEventPartialState(row)