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Use stream_ordering_to_exterm for /keys/changes

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This commit is contained in:
Erik Johnston 2017-02-02 14:27:19 +00:00
parent 5ae38b65c1
commit 46ecd9fd6d
1 changed files with 9 additions and 9 deletions
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18
synapse/handlers/device.py
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@ -17,7 +17,7 @@ from synapse.api import errors
from synapse.api.constants import EventTypes
from synapse.util import stringutils
from synapse.util.async import Linearizer
from synapse.types import get_domain_from_id
from synapse.types import get_domain_from_id, RoomStreamToken
from twisted.internet import defer
from ._base import BaseHandler
@ -243,15 +243,15 @@ class DeviceHandler(BaseHandler):
possibly_changed = set(changed)
for room_id in rooms_changed:
# Fetch (an approximation) of the current state at the time.
event_rows, token = yield self.store.get_recent_event_ids_for_room(
room_id, end_token=from_token.room_key, limit=1,
)
# Fetch the current state at the time.
stream_ordering = RoomStreamToken.parse_stream_token(from_token.room_key)
if event_rows:
last_event_id = event_rows[-1]["event_id"]
prev_state_ids = yield self.store.get_state_ids_for_event(last_event_id)
else:
try:
event_ids = yield self.store.get_forward_extremeties_for_room(
room_id, stream_ordering=stream_ordering
)
prev_state_ids = yield self.store.get_state_ids_for_events(event_ids)
except:
prev_state_ids = {}
current_state_ids = yield self.state.get_current_state_ids(room_id)