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Pull out less state when handling gaps mk2 (#12852)

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Erik Johnston 2022-05-26 10:48:12 +01:00 • committed by GitHub
parent 1b338476af
commit b83bc5fab5
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8 changed files with 236 additions and 127 deletions
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22
synapse/state/__init__.py
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@ -261,7 +261,7 @@ class StateHandler:
async def compute_event_context(
self,
event: EventBase,
old_state: Optional[Iterable[EventBase]] = None,
state_ids_before_event: Optional[StateMap[str]] = None,
partial_state: bool = False,
) -> EventContext:
"""Build an EventContext structure for a non-outlier event.
@ -273,12 +273,12 @@ class StateHandler:
Args:
event:
old_state: The state at the event if it can't be
calculated from existing events. This is normally only specified
when receiving an event from federation where we don't have the
prev events for, e.g. when backfilling.
partial_state: True if `old_state` is partial and omits non-critical
membership events
state_ids_before_event: The event ids of the state before the event if
it can't be calculated from existing events. This is normally
only specified when receiving an event from federation where we
don't have the prev events, e.g. when backfilling.
partial_state: True if `state_ids_before_event` is partial and omits
non-critical membership events
Returns:
The event context.
"""
@ -286,13 +286,11 @@ class StateHandler:
assert not event.internal_metadata.is_outlier()
#
# first of all, figure out the state before the event
# first of all, figure out the state before the event, unless we
# already have it.
#
if old_state:
if state_ids_before_event:
# if we're given the state before the event, then we use that
state_ids_before_event: StateMap[str] = {
(s.type, s.state_key): s.event_id for s in old_state
}
state_group_before_event = None
state_group_before_event_prev_group = None
deltas_to_state_group_before_event = None