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mirror of https://github.com/home-assistant/core synced 2024-08-02 23:40:32 +02:00
ha-core/homeassistant/components/recorder/repack.py
J. Nick Koston a060acc2b1
Fix recorder with MSSQL (#46678)
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
2021-03-09 11:16:19 -10:00

36 lines
1.1 KiB
Python

"""Purge repack helper."""
from __future__ import annotations
import logging
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from . import Recorder
_LOGGER = logging.getLogger(__name__)
def repack_database(instance: Recorder) -> None:
"""Repack based on engine type."""
# Execute sqlite command to free up space on disk
if instance.engine.dialect.name == "sqlite":
_LOGGER.debug("Vacuuming SQL DB to free space")
instance.engine.execute("VACUUM")
return
# Execute postgresql vacuum command to free up space on disk
if instance.engine.dialect.name == "postgresql":
_LOGGER.debug("Vacuuming SQL DB to free space")
with instance.engine.connect().execution_options(
isolation_level="AUTOCOMMIT"
) as conn:
conn.execute("VACUUM")
return
# Optimize mysql / mariadb tables to free up space on disk
if instance.engine.dialect.name == "mysql":
_LOGGER.debug("Optimizing SQL DB to free space")
instance.engine.execute("OPTIMIZE TABLE states, events, recorder_runs")
return