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Always return a deferred from get_current_state_deltas. (#7019)

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This currently causes presence notify code to log exceptions when there
is no state changes to process. This doesn't actually cause any problems
as we'd simply do nothing anyway.
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Erik Johnston 2020-03-02 16:52:15 +00:00 committed by GitHub
parent 3ab8e9c293
commit b29474e0aa
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2 changed files with 4 additions and 1 deletions
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1
changelog.d/7019.misc Normal file
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@ -0,0 +1 @@
Port `synapse.handlers.presence` to async/await.

4
synapse/storage/data_stores/main/state_deltas.py
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@ -15,6 +15,8 @@
import logging
from twisted.internet import defer
from synapse.storage._base import SQLBaseStore
logger = logging.getLogger(__name__)
@ -56,7 +58,7 @@ class StateDeltasStore(SQLBaseStore):
# if the CSDs haven't changed between prev_stream_id and now, we
# know for certain that they haven't changed between prev_stream_id and
# max_stream_id.
return max_stream_id, []
return defer.succeed((max_stream_id, []))
def get_current_state_deltas_txn(txn):
# First we calculate the max stream id that will give us less than