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This commit is contained in:
Erik Johnston 2019-10-30 13:33:38 +00:00
parent 9fb96889a4
commit a8d16f6c00
6 changed files with 37 additions and 19 deletions
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19
synapse/storage/data_stores/main/events.py
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@ -146,7 +146,7 @@ class EventsStore(
@_retry_on_integrity_error
@defer.inlineCallbacks
def _persist_events(
def _persist_events_and_state_updates(
self,
events_and_contexts,
current_state_for_room,
@ -155,18 +155,27 @@ class EventsStore(
backfilled=False,
delete_existing=False,
):
"""Persist events to db
"""Persist a set of events alongside updates to the current state and
forward extremities tables.
Args:
events_and_contexts (list[(EventBase, EventContext)]):
backfilled (bool):
current_state_for_room (dict[str, dict]): Map from room_id to the
current state of the room based on forward extremities
state_delta_for_room (dict[str, tuple]): Map from room_id to tuple
of `(to_delete, to_insert)` where to_delete is a list
of type/state keys to remove from current state, and to_insert
is a map (type,key)->event_id giving the state delta in each
room.
new_forward_extremities (dict[str, list[str]]): Map from room_id
to list of event IDs that are the new forward extremities of
the room.
backfilled (bool)
delete_existing (bool):
Returns:
Deferred: resolves when the events have been persisted
"""
if not events_and_contexts:
return
# We want to calculate the stream orderings as late as possible, as
# we only notify after all events with a lesser stream ordering have