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Change character set of statistics_meta table to utf8 (#56011)

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Erik Montnemery 2021-09-09 17:24:20 +02:00 committed by GitHub
parent dd9bfe7aa0
commit a47532c69b
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2 changed files with 12 additions and 0 deletions
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11
homeassistant/components/recorder/migration.py
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@ -507,6 +507,17 @@ def _apply_update(engine, session, new_version, old_version): # noqa: C901
"statistics", "statistics",
["sum_increase DOUBLE PRECISION"], ["sum_increase DOUBLE PRECISION"],
) )
# Try to change the character set of the statistic_meta table
if engine.dialect.name == "mysql":
try:
connection.execute(
text(
"ALTER TABLE statistics_meta CONVERT TO "
"CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci"
)
)
except SQLAlchemyError:
pass
else: else:
raise ValueError(f"No schema migration defined for version {new_version}") raise ValueError(f"No schema migration defined for version {new_version}")

1
homeassistant/components/recorder/models.py
View File

@ -238,6 +238,7 @@ class Statistics(Base): # type: ignore
__table_args__ = ( __table_args__ = (
# Used for fetching statistics for a certain entity at a specific time # Used for fetching statistics for a certain entity at a specific time
Index("ix_statistics_statistic_id_start", "metadata_id", "start"), Index("ix_statistics_statistic_id_start", "metadata_id", "start"),
{"mysql_default_charset": "utf8mb4", "mysql_collate": "utf8mb4_unicode_ci"},
) )
__tablename__ = TABLE_STATISTICS __tablename__ = TABLE_STATISTICS
id = Column(Integer, primary_key=True) id = Column(Integer, primary_key=True)