diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index b4ae6664f0..f65e18c1ee 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -33,7 +33,7 @@ from synapse.util.metrics import Measure
from synapse.api.constants import EventTypes
from synapse.api.errors import SynapseError
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
-from synapse.types import get_domain_from_id
+from synapse.types import get_domain_from_id, RoomStreamToken
import synapse.metrics
# these are only included to make the type annotations work
@@ -1803,15 +1803,14 @@ class EventsStore(EventsWorkerStore):
return self.runInteraction("get_all_new_events", get_all_new_events_txn)
def purge_history(
- self, room_id, topological_ordering, delete_local_events,
+ self, room_id, token, delete_local_events,
):
"""Deletes room history before a certain point
Args:
room_id (str):
- topological_ordering (int):
- minimum topo ordering to preserve
+ token (str): A topological token to delete events before
delete_local_events (bool):
if True, we will delete local events as well as remote ones
@@ -1821,12 +1820,12 @@ class EventsStore(EventsWorkerStore):
return self.runInteraction(
"purge_history",
- self._purge_history_txn, room_id, topological_ordering,
+ self._purge_history_txn, room_id, token,
delete_local_events,
)
def _purge_history_txn(
- self, txn, room_id, topological_ordering, delete_local_events,
+ self, txn, room_id, token, delete_local_events,
):
# Tables that should be pruned:
# event_auth
@@ -1856,6 +1855,8 @@ class EventsStore(EventsWorkerStore):
# furthermore, we might already have the table from a previous (failed)
# purge attempt, so let's drop the table first.
+ token = RoomStreamToken.parse(token)
+
txn.execute("DROP TABLE IF EXISTS events_to_purge")
txn.execute(
@@ -1888,7 +1889,7 @@ class EventsStore(EventsWorkerStore):
rows = txn.fetchall()
max_depth = max(row[0] for row in rows)
- if max_depth <= topological_ordering:
+ if max_depth <= token.topological:
# We need to ensure we don't delete all the events from the datanase
# otherwise we wouldn't be able to send any events (due to not
# having any backwards extremeties)
@@ -1904,7 +1905,7 @@ class EventsStore(EventsWorkerStore):
should_delete_expr += " AND event_id NOT LIKE ?"
should_delete_params += ("%:" + self.hs.hostname, )
- should_delete_params += (room_id, topological_ordering)
+ should_delete_params += (room_id, token.topological)
txn.execute(
"INSERT INTO events_to_purge"
|
