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Only remove duplicated statistics on error (#65653)

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Erik Montnemery 2022-02-04 20:31:12 +01:00 committed by GitHub
parent fe05d6680c
commit 1f8e8926fe
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1 changed files with 19 additions and 9 deletions
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28
homeassistant/components/recorder/migration.py
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@ -6,6 +6,7 @@ import logging
import sqlalchemy
from sqlalchemy import ForeignKeyConstraint, MetaData, Table, func, text
from sqlalchemy.exc import (
DatabaseError,
InternalError,
OperationalError,
ProgrammingError,
@ -612,22 +613,31 @@ def _apply_update(instance, new_version, old_version): # noqa: C901
# Add name column to StatisticsMeta
_add_columns(instance, "statistics_meta", ["name VARCHAR(255)"])
elif new_version == 24:
# Delete duplicated statistics
with session_scope(session=instance.get_session()) as session:
delete_duplicates(instance, session)
# Recreate statistics indices to block duplicated statistics
_drop_index(instance, "statistics", "ix_statistics_statistic_id_start")
_create_index(instance, "statistics", "ix_statistics_statistic_id_start")
_drop_index(
instance,
"statistics_short_term",
"ix_statistics_short_term_statistic_id_start",
)
_create_index(
instance,
"statistics_short_term",
"ix_statistics_short_term_statistic_id_start",
)
try:
_create_index(instance, "statistics", "ix_statistics_statistic_id_start")
_create_index(
instance,
"statistics_short_term",
"ix_statistics_short_term_statistic_id_start",
)
except DatabaseError:
# There may be duplicated statistics entries, delete duplicated statistics
# and try again
with session_scope(session=instance.get_session()) as session:
delete_duplicates(instance, session)
_create_index(instance, "statistics", "ix_statistics_statistic_id_start")
_create_index(
instance,
"statistics_short_term",
"ix_statistics_short_term_statistic_id_start",
)
else:
raise ValueError(f"No schema migration defined for version {new_version}")