mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-24 19:25:57 +00:00
Ensure we only persist an event once at a time
This commit is contained in:
parent
06f812b95c
commit
a8a32d2714
@ -26,7 +26,7 @@ from synapse.api.constants import EventTypes
|
|||||||
from synapse.api.errors import SynapseError
|
from synapse.api.errors import SynapseError
|
||||||
|
|
||||||
from canonicaljson import encode_canonical_json
|
from canonicaljson import encode_canonical_json
|
||||||
from collections import deque, namedtuple
|
from collections import deque, namedtuple, OrderedDict
|
||||||
|
|
||||||
import synapse
|
import synapse
|
||||||
import synapse.metrics
|
import synapse.metrics
|
||||||
@ -403,6 +403,23 @@ class EventsStore(SQLBaseStore):
|
|||||||
and the rejections table. Things reading from those table will need to check
|
and the rejections table. Things reading from those table will need to check
|
||||||
whether the event was rejected.
|
whether the event was rejected.
|
||||||
"""
|
"""
|
||||||
|
# Ensure that we don't have the same event twice.
|
||||||
|
# Pick the earliest non-outlier if there is one, else the earliest one.
|
||||||
|
new_events_and_contexts = OrderedDict()
|
||||||
|
for event, context in events_and_contexts:
|
||||||
|
prev_event_context = new_events_and_contexts.get(event.event_id)
|
||||||
|
if prev_event_context:
|
||||||
|
if not event.internal_metadata.is_outlier():
|
||||||
|
if prev_event_context[0].internal_metadata.is_outlier():
|
||||||
|
# To ensure correct ordering we pop, as OrderedDict is
|
||||||
|
# ordered by first insertion.
|
||||||
|
new_events_and_contexts.pop(event.event_id, None)
|
||||||
|
new_events_and_contexts[event.event_id] = (event, context)
|
||||||
|
else:
|
||||||
|
new_events_and_contexts[event.event_id] = (event, context)
|
||||||
|
|
||||||
|
events_and_contexts = new_events_and_contexts.values()
|
||||||
|
|
||||||
depth_updates = {}
|
depth_updates = {}
|
||||||
for event, context in events_and_contexts:
|
for event, context in events_and_contexts:
|
||||||
# Remove the any existing cache entries for the event_ids
|
# Remove the any existing cache entries for the event_ids
|
||||||
|
Loading…
Reference in New Issue
Block a user