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Use a stream id generator for backfilled ids

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This commit is contained in:
Mark Haines 2016-04-01 13:29:05 +01:00
parent 03e406eefc
commit e36bfbab38
11 changed files with 69 additions and 61 deletions
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19
synapse/storage/events.py
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@ -24,7 +24,6 @@ from synapse.util.logutils import log_function
from synapse.api.constants import EventTypes
from canonicaljson import encode_canonical_json
from contextlib import contextmanager
from collections import namedtuple
import logging
@ -66,14 +65,9 @@ class EventsStore(SQLBaseStore):
return
if backfilled:
start = self.min_stream_token - 1
self.min_stream_token -= len(events_and_contexts) + 1
stream_orderings = range(start, self.min_stream_token, -1)
@contextmanager
def stream_ordering_manager():
yield stream_orderings
stream_ordering_manager = stream_ordering_manager()
stream_ordering_manager = self._backfill_id_gen.get_next_mult(
len(events_and_contexts)
)
else:
stream_ordering_manager = self._stream_id_gen.get_next_mult(
len(events_and_contexts)
@ -130,7 +124,7 @@ class EventsStore(SQLBaseStore):
except _RollbackButIsFineException:
pass
max_persisted_id = yield self._stream_id_gen.get_max_token()
max_persisted_id = yield self._stream_id_gen.get_current_token()
defer.returnValue((stream_ordering, max_persisted_id))
@defer.inlineCallbacks
@ -1117,10 +1111,7 @@ class EventsStore(SQLBaseStore):
def get_current_backfill_token(self):
"""The current minimum token that backfilled events have reached"""
# TODO: Fix race with the persit_event txn by using one of the
# stream id managers
return -self.min_stream_token
return -self._backfill_id_gen.get_current_token()
def get_all_new_events(self, last_backfill_id, last_forward_id,
current_backfill_id, current_forward_id, limit):