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Stop writing to event_reference_hashes (#12679)

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This table is never read, since #11794. We stop writing to it; in future we can
drop it altogether.
This commit is contained in:
Richard van der Hoff 2022-05-10 15:35:08 +01:00 • committed by GitHub
parent dbb12a0b54
commit 147f098fb4
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5 changed files with 5 additions and 38 deletions
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25
synapse/storage/databases/main/events.py
View file

@ -36,7 +36,6 @@ from prometheus_client import Counter
import synapse.metrics
from synapse.api.constants import EventContentFields, EventTypes, RelationTypes
from synapse.api.room_versions import RoomVersions
from synapse.crypto.event_signing import compute_event_reference_hash
from synapse.events import EventBase # noqa: F401
from synapse.events.snapshot import EventContext # noqa: F401
from synapse.storage._base import db_to_json, make_in_list_sql_clause
@ -1600,11 +1599,6 @@ class PersistEventsStore:
inhibit_local_membership_updates=inhibit_local_membership_updates,
)
# Insert event_reference_hashes table.
self._store_event_reference_hashes_txn(
txn, [event for event, _ in events_and_contexts]
)
# Prefill the event cache
self._add_to_cache(txn, events_and_contexts)
@ -1704,25 +1698,6 @@ class PersistEventsStore:
values={"event_id": event_id, "expiry_ts": expiry_ts},
)
def _store_event_reference_hashes_txn(self, txn, events):
"""Store a hash for a PDU
Args:
txn (cursor):
events (list): list of Events.
"""
vals = []
for event in events:
ref_alg, ref_hash_bytes = compute_event_reference_hash(event)
vals.append((event.event_id, ref_alg, memoryview(ref_hash_bytes)))
self.db_pool.simple_insert_many_txn(
txn,
table="event_reference_hashes",
keys=("event_id", "algorithm", "hash"),
values=vals,
)
def _store_room_members_txn(
self, txn, events, *, inhibit_local_membership_updates: bool = False
):

3
synapse/storage/databases/main/purge_events.py
View file

@ -69,7 +69,6 @@ class PurgeEventsStore(StateGroupWorkerStore, CacheInvalidationWorkerStore):
# event_forward_extremities
# event_json
# event_push_actions
# event_reference_hashes
# event_relations
# event_search
# event_to_state_groups
@ -220,7 +219,6 @@ class PurgeEventsStore(StateGroupWorkerStore, CacheInvalidationWorkerStore):
"event_auth",
"event_edges",
"event_forward_extremities",
"event_reference_hashes",
"event_relations",
"event_search",
"rejections",
@ -369,7 +367,6 @@ class PurgeEventsStore(StateGroupWorkerStore, CacheInvalidationWorkerStore):
"event_edges",
"event_json",
"event_push_actions_staging",
"event_reference_hashes",
"event_relations",
"event_to_state_groups",
"event_auth_chains",