* Fallback to generating a new ULID on migraiton if context is missing or invalid
It was discovered that postgresql will do a full scan if
there is a low cardinality on the index because of missing
context ids. We will now generate a ULID for the timestamp
of the row if the context data is missing or invalid
fixes#91514
* tests
* tweak
* tweak
* preen
* Reduce overhead of legacy database columns on new installs
* Reduce overhead of legacy database columns on new installs
* Reduce overhead of legacy database columns on new installs
* Reduce overhead of legacy database columns on new installs
* not working as expected
* override the type compiler
* override the type compiler
* override the type compiler
* override the type compiler
* Apply suggestions from code review
* pgsql char1
* make entity filter test setup with old schema
* fix some more tests that were mutating state
* fix some more tests that were mutating state
* fix some more tests that were mutating state
* fix more dbstate mutations
* add shim for older tests
* split migration tests
* add coverage for purging legacy data
* tweak
* more fixes
* drop some legacy
* fix another test
* fix a few more
* add casts for postgresql in case someone deletes the schema changes table
* dry
* dry
* dry
* Restart entity id post migration after a restart
If the entity migration finished and Home Assistant was
restarted during the post migration it would never be resumed
which means the old index and space would never be recovered
* add migration resume test
* Reduce cache key size for queries that only need single columns
These queries only cared about a single row but would select
the whole set of columns from the orm object
* wrap it
* Add auto repairs for events schema
* Add auto repairs for events schema
* Add auto repairs for events schema
* Add auto repairs for events schema
* Add auto repairs for events schema
* fix bug - wrong table
* Fix index not being dropped on postgresql databases with a schema prefix
Added logging in case index drops fail so we can tell
why in the future
* coverage
* Break out statistics schema repairs into a repairs module
A future PR will add repairs for events, states, etc
* reorg
* reorg
* reorg
* reorg
* fixes
* fix patch targets
* name space rename
Fix missing length on context id column with MariaDB
spotted by @dcoder42
The migration still worked as intented but the blob should have been
a bit smaller.
This only affects dev so there is no need for a backport
* Fix cpu thrashing during purge after all legacy events were removed
We now remove the the index of of event ids on the states table when its
all NULLs to save space. The purge path needs to avoid checking for legacy
rows to purge if the index has been removed since it will result in a full
table scan each purge cycle that will always find no legacy rows to purge
* one more place
* drop the key constraint as well
* fixes
* more sqlite
* refactor to make StatesMetaManager threadsafe
* refactor to make StatesMetaManager threadsafe
* refactor to make StatesMetaManager threadsafe
* refactor to make StatesMetaManager threadsafe
* reduce
* comments
Drop duplicated indices from schema
https://docs.percona.com/percona-toolkit/pt-duplicate-key-checker.html
```
% pt-duplicate-key-checker --databases fresh
ALTER TABLE `fresh`.`events` DROP INDEX `ix_events_event_type_id`;
ALTER TABLE `fresh`.`states` DROP INDEX `ix_states_metadata_id`;
ALTER TABLE `fresh`.`statistics` DROP INDEX `ix_statistics_metadata_id`;
ALTER TABLE `fresh`.`statistics_short_term` DROP INDEX `ix_statistics_short_term_metadata_id`;
```
* Split context id migration into states and events tasks
Since events can finish much earlier than states we
would keep looking at the table because states as not
done. Make them seperate tasks
* add retry dec
* fix migration happening twice
* another case
* Deduplicate event_types in the events table
* Deduplicate event_types in the events table
* more fixes
* adjust
* adjust
* fix product
* fix tests
* adjust
* migrate
* migrate
* migrate
* more test fixes
* more test fixes
* fix
* migration test
* adjust
* speed up
* fix index
* fix more tests
* handle db failure
* preload
* tweak
* adjust
* fix stale docs strings, remove dead code
* refactor
* fix slow tests
* coverage
* self join to resolve query performance
* fix typo
* no need for quiet
* no need to drop index already dropped
* remove index that will never be used
* drop index sooner as we no longer use it
* Revert "remove index that will never be used"
This reverts commit 461aad2c52.
* typo
* Fix data migration never finishing when database has invalid datetimes
If there were impossible datetime values in the database (likely
from a manual sqlite to MySQL conversion) the conversion would
never complete
* Update homeassistant/components/recorder/migration.py
* Chunk MariaDB data migration to avoid running out of buffer space
This will make the migration slower but since the innodb_buffer_pool_size
is using the defaul to 128M and not tuned to the db size there is a
risk of running out of buffer space for large databases
* Update homeassistant/components/recorder/migration.py
* hard code since bandit thinks its an injection
* Update homeassistant/components/recorder/migration.py
* guard against manually modified data/corrupt db
* adjust to 10k per chunk
* adjust to 50k per chunk
* memory still just fine at 250k
* but slower
* commit after each chunk to reduce lock pressure
* adjust
* set to 0 if null so we do not loop forever (this should only happen if the data is missing)
* set to 0 if null so we do not loop forever (this should only happen if the data is missing)
* tweak
* tweak
* limit cleanup
* lower limit to give some more buffer
* lower limit to give some more buffer
* where required for sqlite
* sqlite can wipe as many as needed with no limit
* limit on mysql only
* chunk postgres
* fix limit
* tweak
* fix reference
* fix
* tweak for ram
* postgres memory reduction
* defer cleanup
* fix
* same order
* Validate common statistics db schema errors on start
* Fix test
* Add tests
* Adjust tests
* Disable statistics schema validation in tests
* Update after rebase
J. Nick Koston
Erik Montnemery
Franck Nijhof