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Cache newly written state attribute ids (#68355)

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J. Nick Koston 2022-03-22 21:21:56 -10:00 • committed by GitHub
parent df3a163a66
commit 08d6a3d9d4
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11
homeassistant/components/recorder/__init__.py
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@ -1116,9 +1116,18 @@ class Recorder(threading.Thread):
if dbstate in self.event_session: if dbstate in self.event_session:
self.event_session.expunge(dbstate) self.event_session.expunge(dbstate)
self._pending_expunge = [] self._pending_expunge = []
self._pending_state_attributes = {}
self.event_session.commit() self.event_session.commit()
# We just committed the state attributes to the database
# and we now know the attributes_ids. We can save
# a many selects for matching attributes by loading them
# into the LRU cache now.
for state_attr in self._pending_state_attributes.values():
self._state_attributes_ids[
state_attr.shared_attrs
] = state_attr.attributes_id
self._pending_state_attributes = {}
# Expire is an expensive operation (frequently more expensive # Expire is an expensive operation (frequently more expensive
# than the flush and commit itself) so we only # than the flush and commit itself) so we only
# do it after EXPIRE_AFTER_COMMITS commits # do it after EXPIRE_AFTER_COMMITS commits