mirror of
https://github.com/home-assistant/core.git
synced 2025-04-27 02:37:50 +00:00
Refactor recorder EventIDPostMigration data migrator (#125126)
This commit is contained in:
Erik Montnemery
GitHub
parent
4aa86a574f
commit
cc3d059783
@ -2137,50 +2137,6 @@ def post_migrate_entity_ids(instance: Recorder) -> bool:
|
||||
return is_done
|
||||
|
||||
|
||||
@retryable_database_job("cleanup_legacy_event_ids")
|
||||
def cleanup_legacy_states_event_ids(instance: Recorder) -> bool:
|
||||
"""Remove old event_id index from states.
|
||||
|
||||
We used to link states to events using the event_id column but we no
|
||||
longer store state changed events in the events table.
|
||||
|
||||
If all old states have been purged and existing states are in the new
|
||||
format we can drop the index since it can take up ~10MB per 1M rows.
|
||||
"""
|
||||
session_maker = instance.get_session
|
||||
_LOGGER.debug("Cleanup legacy entity_ids")
|
||||
with session_scope(session=session_maker()) as session:
|
||||
result = session.execute(has_used_states_event_ids()).scalar()
|
||||
# In the future we may migrate existing states to the new format
|
||||
# but in practice very few of these still exist in production and
|
||||
# removing the index is the likely all that needs to happen.
|
||||
all_gone = not result
|
||||
|
||||
if all_gone:
|
||||
# Only drop the index if there are no more event_ids in the states table
|
||||
# ex all NULL
|
||||
assert instance.engine is not None, "engine should never be None"
|
||||
if instance.dialect_name == SupportedDialect.SQLITE:
|
||||
# SQLite does not support dropping foreign key constraints
|
||||
# so we have to rebuild the table
|
||||
fk_remove_ok = rebuild_sqlite_table(session_maker, instance.engine, States)
|
||||
else:
|
||||
try:
|
||||
_drop_foreign_key_constraints(
|
||||
session_maker, instance.engine, TABLE_STATES, "event_id"
|
||||
)
|
||||
except (InternalError, OperationalError):
|
||||
fk_remove_ok = False
|
||||
else:
|
||||
fk_remove_ok = True
|
||||
if fk_remove_ok:
|
||||
_drop_index(session_maker, "states", LEGACY_STATES_EVENT_ID_INDEX)
|
||||
instance.use_legacy_events_index = False
|
||||
_mark_migration_done(session, EventIDPostMigration)
|
||||
|
||||
return True
|
||||
|
||||
|
||||
def _initialize_database(session: Session) -> bool:
|
||||
"""Initialize a new database.
|
||||
|
||||
@ -2635,9 +2591,50 @@ class EventIDPostMigration(BaseRunTimeMigration):
|
||||
migration_version = 2
|
||||
|
||||
@staticmethod
|
||||
@retryable_database_job("cleanup_legacy_event_ids")
|
||||
def migrate_data(instance: Recorder) -> bool:
|
||||
"""Migrate some data, returns True if migration is completed."""
|
||||
return cleanup_legacy_states_event_ids(instance)
|
||||
"""Remove old event_id index from states, returns True if completed.
|
||||
|
||||
We used to link states to events using the event_id column but we no
|
||||
longer store state changed events in the events table.
|
||||
|
||||
If all old states have been purged and existing states are in the new
|
||||
format we can drop the index since it can take up ~10MB per 1M rows.
|
||||
"""
|
||||
session_maker = instance.get_session
|
||||
_LOGGER.debug("Cleanup legacy entity_ids")
|
||||
with session_scope(session=session_maker()) as session:
|
||||
result = session.execute(has_used_states_event_ids()).scalar()
|
||||
# In the future we may migrate existing states to the new format
|
||||
# but in practice very few of these still exist in production and
|
||||
# removing the index is the likely all that needs to happen.
|
||||
all_gone = not result
|
||||
|
||||
if all_gone:
|
||||
# Only drop the index if there are no more event_ids in the states table
|
||||
# ex all NULL
|
||||
assert instance.engine is not None, "engine should never be None"
|
||||
if instance.dialect_name == SupportedDialect.SQLITE:
|
||||
# SQLite does not support dropping foreign key constraints
|
||||
# so we have to rebuild the table
|
||||
fk_remove_ok = rebuild_sqlite_table(
|
||||
session_maker, instance.engine, States
|
||||
)
|
||||
else:
|
||||
try:
|
||||
_drop_foreign_key_constraints(
|
||||
session_maker, instance.engine, TABLE_STATES, "event_id"
|
||||
)
|
||||
except (InternalError, OperationalError):
|
||||
fk_remove_ok = False
|
||||
else:
|
||||
fk_remove_ok = True
|
||||
if fk_remove_ok:
|
||||
_drop_index(session_maker, "states", LEGACY_STATES_EVENT_ID_INDEX)
|
||||
instance.use_legacy_events_index = False
|
||||
_mark_migration_done(session, EventIDPostMigration)
|
||||
|
||||
return True
|
||||
|
||||
@staticmethod
|
||||
def _legacy_event_id_foreign_key_exists(instance: Recorder) -> bool:
|
||||
|
||||
@ -113,6 +113,7 @@ async def test_migrate_times(
|
||||
patch.object(migration.StatesContextIDMigration, "migrate_data"),
|
||||
patch.object(migration.EventTypeIDMigration, "migrate_data"),
|
||||
patch.object(migration.EntityIDMigration, "migrate_data"),
|
||||
patch.object(migration.EventIDPostMigration, "migrate_data"),
|
||||
patch.object(core, "StatesMeta", old_db_schema.StatesMeta),
|
||||
patch.object(core, "EventTypes", old_db_schema.EventTypes),
|
||||
patch.object(core, "EventData", old_db_schema.EventData),
|
||||
@ -120,9 +121,6 @@ async def test_migrate_times(
|
||||
patch.object(core, "Events", old_db_schema.Events),
|
||||
patch(CREATE_ENGINE_TARGET, new=_create_engine_test(SCHEMA_MODULE_30)),
|
||||
patch("homeassistant.components.recorder.Recorder._post_migrate_entity_ids"),
|
||||
patch(
|
||||
"homeassistant.components.recorder.migration.cleanup_legacy_states_event_ids"
|
||||
),
|
||||
):
|
||||
async with (
|
||||
async_test_home_assistant() as hass,
|
||||
@ -264,9 +262,8 @@ async def test_migrate_can_resume_entity_id_post_migration(
|
||||
|
||||
with (
|
||||
patch.object(recorder, "db_schema", old_db_schema),
|
||||
patch.object(
|
||||
recorder.migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION
|
||||
),
|
||||
patch.object(migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION),
|
||||
patch.object(migration.EventIDPostMigration, "migrate_data"),
|
||||
patch.object(core, "StatesMeta", old_db_schema.StatesMeta),
|
||||
patch.object(core, "EventTypes", old_db_schema.EventTypes),
|
||||
patch.object(core, "EventData", old_db_schema.EventData),
|
||||
@ -274,9 +271,6 @@ async def test_migrate_can_resume_entity_id_post_migration(
|
||||
patch.object(core, "Events", old_db_schema.Events),
|
||||
patch(CREATE_ENGINE_TARGET, new=_create_engine_test(SCHEMA_MODULE_32)),
|
||||
patch("homeassistant.components.recorder.Recorder._post_migrate_entity_ids"),
|
||||
patch(
|
||||
"homeassistant.components.recorder.migration.cleanup_legacy_states_event_ids"
|
||||
),
|
||||
):
|
||||
async with (
|
||||
async_test_home_assistant() as hass,
|
||||
@ -386,9 +380,8 @@ async def test_migrate_can_resume_ix_states_event_id_removed(
|
||||
|
||||
with (
|
||||
patch.object(recorder, "db_schema", old_db_schema),
|
||||
patch.object(
|
||||
recorder.migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION
|
||||
),
|
||||
patch.object(migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION),
|
||||
patch.object(migration.EventIDPostMigration, "migrate_data"),
|
||||
patch.object(core, "StatesMeta", old_db_schema.StatesMeta),
|
||||
patch.object(core, "EventTypes", old_db_schema.EventTypes),
|
||||
patch.object(core, "EventData", old_db_schema.EventData),
|
||||
@ -396,9 +389,6 @@ async def test_migrate_can_resume_ix_states_event_id_removed(
|
||||
patch.object(core, "Events", old_db_schema.Events),
|
||||
patch(CREATE_ENGINE_TARGET, new=_create_engine_test(SCHEMA_MODULE_32)),
|
||||
patch("homeassistant.components.recorder.Recorder._post_migrate_entity_ids"),
|
||||
patch(
|
||||
"homeassistant.components.recorder.migration.cleanup_legacy_states_event_ids"
|
||||
),
|
||||
):
|
||||
async with (
|
||||
async_test_home_assistant() as hass,
|
||||
@ -522,9 +512,8 @@ async def test_out_of_disk_space_while_rebuild_states_table(
|
||||
|
||||
with (
|
||||
patch.object(recorder, "db_schema", old_db_schema),
|
||||
patch.object(
|
||||
recorder.migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION
|
||||
),
|
||||
patch.object(migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION),
|
||||
patch.object(migration.EventIDPostMigration, "migrate_data"),
|
||||
patch.object(core, "StatesMeta", old_db_schema.StatesMeta),
|
||||
patch.object(core, "EventTypes", old_db_schema.EventTypes),
|
||||
patch.object(core, "EventData", old_db_schema.EventData),
|
||||
@ -532,9 +521,6 @@ async def test_out_of_disk_space_while_rebuild_states_table(
|
||||
patch.object(core, "Events", old_db_schema.Events),
|
||||
patch(CREATE_ENGINE_TARGET, new=_create_engine_test(SCHEMA_MODULE_32)),
|
||||
patch("homeassistant.components.recorder.Recorder._post_migrate_entity_ids"),
|
||||
patch(
|
||||
"homeassistant.components.recorder.migration.cleanup_legacy_states_event_ids"
|
||||
),
|
||||
):
|
||||
async with (
|
||||
async_test_home_assistant() as hass,
|
||||
@ -654,7 +640,7 @@ async def test_out_of_disk_space_while_removing_foreign_key(
|
||||
|
||||
Note that the test is somewhat forced; the states.event_id foreign key constraint is
|
||||
removed when migrating to schema version 46, inspecting the schema in
|
||||
cleanup_legacy_states_event_ids is not likely to fail.
|
||||
EventIDPostMigration.migrate_data, is not likely to fail.
|
||||
"""
|
||||
importlib.import_module(SCHEMA_MODULE_32)
|
||||
old_db_schema = sys.modules[SCHEMA_MODULE_32]
|
||||
@ -702,9 +688,8 @@ async def test_out_of_disk_space_while_removing_foreign_key(
|
||||
|
||||
with (
|
||||
patch.object(recorder, "db_schema", old_db_schema),
|
||||
patch.object(
|
||||
recorder.migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION
|
||||
),
|
||||
patch.object(migration, "SCHEMA_VERSION", old_db_schema.SCHEMA_VERSION),
|
||||
patch.object(migration.EventIDPostMigration, "migrate_data"),
|
||||
patch.object(core, "StatesMeta", old_db_schema.StatesMeta),
|
||||
patch.object(core, "EventTypes", old_db_schema.EventTypes),
|
||||
patch.object(core, "EventData", old_db_schema.EventData),
|
||||
@ -712,9 +697,6 @@ async def test_out_of_disk_space_while_removing_foreign_key(
|
||||
patch.object(core, "Events", old_db_schema.Events),
|
||||
patch(CREATE_ENGINE_TARGET, new=_create_engine_test(SCHEMA_MODULE_32)),
|
||||
patch("homeassistant.components.recorder.Recorder._post_migrate_entity_ids"),
|
||||
patch(
|
||||
"homeassistant.components.recorder.migration.cleanup_legacy_states_event_ids"
|
||||
),
|
||||
):
|
||||
async with (
|
||||
async_test_home_assistant() as hass,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user