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Disable Postgres statement timeouts while purging room state (#18133)

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Jason Little 2025-04-02 09:37:50 -05:00 committed by GitHub
parent 5c84f25809
commit 0e3c0aeee8
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1
changelog.d/18133.misc Normal file
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@ -0,0 +1 @@
Disable statement timeout during room purge.

7
synapse/storage/databases/state/store.py
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@ -48,6 +48,7 @@ from synapse.storage.database import (
LoggingTransaction,
)
from synapse.storage.databases.state.bg_updates import StateBackgroundUpdateStore
from synapse.storage.engines import PostgresEngine
from synapse.storage.types import Cursor
from synapse.storage.util.sequence import build_sequence_generator
from synapse.types import MutableStateMap, StateKey, StateMap
@ -914,6 +915,12 @@ class StateGroupDataStore(StateBackgroundUpdateStore, SQLBaseStore):
) -> None:
# Delete all edges that reference a state group linked to room_id
logger.info("[purge] removing %s from state_group_edges", room_id)
if isinstance(self.database_engine, PostgresEngine):
# Disable statement timeouts for this transaction; purging rooms can
# take a while!
txn.execute("SET LOCAL statement_timeout = 0")
txn.execute(
"""
DELETE FROM state_group_edges AS sge WHERE sge.state_group IN (