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Use microsecond precision for datetime values on MariaDB/MySQL (#48749)

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Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
This commit is contained in:
Stefan Agner 2021-04-07 09:13:55 +02:00 committed by GitHub
parent 191c01a611
commit 815db999da
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2 changed files with 24 additions and 6 deletions
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14
homeassistant/components/recorder/migration.py
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@ -363,6 +363,20 @@ def _apply_update(engine, new_version, old_version):
if engine.dialect.name == "mysql":
_modify_columns(engine, "events", ["event_data LONGTEXT"])
_modify_columns(engine, "states", ["attributes LONGTEXT"])
elif new_version == 13:
if engine.dialect.name == "mysql":
_modify_columns(
engine, "events", ["time_fired DATETIME(6)", "created DATETIME(6)"]
)
_modify_columns(
engine,
"states",
[
"last_changed DATETIME(6)",
"last_updated DATETIME(6)",
"created DATETIME(6)",
],
)
else:
raise ValueError(f"No schema migration defined for version {new_version}")

16
homeassistant/components/recorder/models.py
View File

@ -26,7 +26,7 @@ import homeassistant.util.dt as dt_util
# pylint: disable=invalid-name
Base = declarative_base()
SCHEMA_VERSION = 12
SCHEMA_VERSION = 13
_LOGGER = logging.getLogger(__name__)
@ -39,6 +39,10 @@ TABLE_SCHEMA_CHANGES = "schema_changes"
ALL_TABLES = [TABLE_STATES, TABLE_EVENTS, TABLE_RECORDER_RUNS, TABLE_SCHEMA_CHANGES]
DATETIME_TYPE = DateTime(timezone=True).with_variant(
mysql.DATETIME(timezone=True, fsp=6), "mysql"
)
class Events(Base): # type: ignore
"""Event history data."""
@ -52,8 +56,8 @@ class Events(Base): # type: ignore
event_type = Column(String(32))
event_data = Column(Text().with_variant(mysql.LONGTEXT, "mysql"))
origin = Column(String(32))
time_fired = Column(DateTime(timezone=True), index=True)
created = Column(DateTime(timezone=True), default=dt_util.utcnow)
time_fired = Column(DATETIME_TYPE, index=True)
created = Column(DATETIME_TYPE, default=dt_util.utcnow)
context_id = Column(String(36), index=True)
context_user_id = Column(String(36), index=True)
context_parent_id = Column(String(36), index=True)
@ -123,9 +127,9 @@ class States(Base): # type: ignore
event_id = Column(
Integer, ForeignKey("events.event_id", ondelete="CASCADE"), index=True
)
last_changed = Column(DateTime(timezone=True), default=dt_util.utcnow)
last_updated = Column(DateTime(timezone=True), default=dt_util.utcnow, index=True)
created = Column(DateTime(timezone=True), default=dt_util.utcnow)
last_changed = Column(DATETIME_TYPE, default=dt_util.utcnow)
last_updated = Column(DATETIME_TYPE, default=dt_util.utcnow, index=True)
created = Column(DATETIME_TYPE, default=dt_util.utcnow)
old_state_id = Column(
Integer, ForeignKey("states.state_id", ondelete="NO ACTION"), index=True
)