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Add SQL index to states.event_id (#12825)

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Anders Melchiorsen 2018-03-03 22:54:38 +01:00 committed by Pascal Vizeli
parent e2e10b91a7
commit 339a839dbe
2 changed files with 5 additions and 2 deletions
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3
homeassistant/components/recorder/migration.py
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@ -143,6 +143,9 @@ def _apply_update(engine, new_version, old_version):
_drop_index(engine, "states", "ix_states_entity_id_created") _drop_index(engine, "states", "ix_states_entity_id_created")
_create_index(engine, "states", "ix_states_entity_id_last_updated") _create_index(engine, "states", "ix_states_entity_id_last_updated")
elif new_version == 5:
# Create supporting index for States.event_id foreign key
_create_index(engine, "states", "ix_states_event_id")
else: else:
raise ValueError("No schema migration defined for version {}" raise ValueError("No schema migration defined for version {}"
.format(new_version)) .format(new_version))

4
homeassistant/components/recorder/models.py
View File

@ -16,7 +16,7 @@ from homeassistant.remote import JSONEncoder
# pylint: disable=invalid-name # pylint: disable=invalid-name
Base = declarative_base() Base = declarative_base()
SCHEMA_VERSION = 4 SCHEMA_VERSION = 5
_LOGGER = logging.getLogger(__name__) _LOGGER = logging.getLogger(__name__)
@ -64,7 +64,7 @@ class States(Base): # type: ignore
entity_id = Column(String(255)) entity_id = Column(String(255))
state = Column(String(255)) state = Column(String(255))
attributes = Column(Text) attributes = Column(Text)
event_id = Column(Integer, ForeignKey('events.event_id')) event_id = Column(Integer, ForeignKey('events.event_id'), index=True)
last_changed = Column(DateTime(timezone=True), default=datetime.utcnow) last_changed = Column(DateTime(timezone=True), default=datetime.utcnow)
last_updated = Column(DateTime(timezone=True), default=datetime.utcnow, last_updated = Column(DateTime(timezone=True), default=datetime.utcnow,
index=True) index=True)