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Improve performance of fetching and storing history and events with the database (#84870)

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J. Nick Koston 2023-01-02 13:26:08 -10:00 • committed by GitHub
parent 0ad16e25ef
commit b8a1537b58
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26 changed files with 3696 additions and 281 deletions
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12
homeassistant/components/recorder/queries.py
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@ -578,20 +578,20 @@ def delete_recorder_runs_rows(
)
def find_events_to_purge(purge_before: datetime) -> StatementLambdaElement:
def find_events_to_purge(purge_before: float) -> StatementLambdaElement:
"""Find events to purge."""
return lambda_stmt(
lambda: select(Events.event_id, Events.data_id)
.filter(Events.time_fired < purge_before)
.filter(Events.time_fired_ts < purge_before)
.limit(MAX_ROWS_TO_PURGE)
)
def find_states_to_purge(purge_before: datetime) -> StatementLambdaElement:
def find_states_to_purge(purge_before: float) -> StatementLambdaElement:
"""Find states to purge."""
return lambda_stmt(
lambda: select(States.state_id, States.attributes_id)
.filter(States.last_updated < purge_before)
.filter(States.last_updated_ts < purge_before)
.limit(MAX_ROWS_TO_PURGE)
)
@ -624,7 +624,7 @@ def find_latest_statistics_runs_run_id() -> StatementLambdaElement:
def find_legacy_event_state_and_attributes_and_data_ids_to_purge(
purge_before: datetime,
purge_before: float,
) -> StatementLambdaElement:
"""Find the latest row in the legacy format to purge."""
return lambda_stmt(
@ -632,7 +632,7 @@ def find_legacy_event_state_and_attributes_and_data_ids_to_purge(
Events.event_id, Events.data_id, States.state_id, States.attributes_id
)
.outerjoin(States, Events.event_id == States.event_id)
.filter(Events.time_fired < purge_before)
.filter(Events.time_fired_ts < purge_before)
.limit(MAX_ROWS_TO_PURGE)
)