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Add checks for postgres sequence consistency (#8402)

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Erik Johnston 2020-09-28 18:00:30 +01:00 • committed by GitHub
parent 5e3ca12b15
commit bd380d942f
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8 changed files with 160 additions and 6 deletions
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3
synapse/storage/databases/main/registration.py
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@ -41,6 +41,9 @@ class RegistrationWorkerStore(SQLBaseStore):
self.config = hs.config
self.clock = hs.get_clock()
# Note: we don't check this sequence for consistency as we'd have to
# call `find_max_generated_user_id_localpart` each time, which is
# expensive if there are many entries.
self._user_id_seq = build_sequence_generator(
database.engine, find_max_generated_user_id_localpart, "user_id_seq",
)

3
synapse/storage/databases/state/store.py
View file

@ -99,6 +99,9 @@ class StateGroupDataStore(StateBackgroundUpdateStore, SQLBaseStore):
self._state_group_seq_gen = build_sequence_generator(
self.database_engine, get_max_state_group_txn, "state_group_id_seq"
)
self._state_group_seq_gen.check_consistency(
db_conn, table="state_groups", id_column="id"
)
@cached(max_entries=10000, iterable=True)
async def get_state_group_delta(self, state_group):