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Pull out event ids rather than full events for state

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This commit is contained in:
Erik Johnston 2016-08-25 13:28:31 +01:00
parent eb6a7cf3f4
commit 17f4f14df7
4 changed files with 119 additions and 55 deletions
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55
synapse/storage/state.py
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@ -44,11 +44,7 @@ class StateStore(SQLBaseStore):
"""
@defer.inlineCallbacks
def get_state_groups(self, room_id, event_ids):
""" Get the state groups for the given list of event_ids
The return value is a dict mapping group names to lists of events.
"""
def get_state_groups_ids(self, room_id, event_ids):
if not event_ids:
defer.returnValue({})
@ -59,9 +55,32 @@ class StateStore(SQLBaseStore):
groups = set(event_to_groups.values())
group_to_state = yield self._get_state_for_groups(groups)
defer.returnValue(group_to_state)
@defer.inlineCallbacks
def get_state_groups(self, room_id, event_ids):
""" Get the state groups for the given list of event_ids
The return value is a dict mapping group names to lists of events.
"""
if not event_ids:
defer.returnValue({})
group_to_ids = yield self.get_state_groups_ids(room_id, event_ids)
state_event_map = yield self.get_events(
[
ev_id for group_ids in group_to_ids.values()
for ev_id in group_ids.values()
],
get_prev_content=False
)
defer.returnValue({
group: state_map.values()
for group, state_map in group_to_state.items()
group: [
state_event_map[v] for v in event_id_map.values() if v in state_event_map
]
for group, event_id_map in group_to_ids.items()
})
def _store_mult_state_groups_txn(self, txn, events_and_contexts):
@ -248,8 +267,17 @@ class StateStore(SQLBaseStore):
groups = set(event_to_groups.values())
group_to_state = yield self._get_state_for_groups(groups, types)
state_event_map = yield self.get_events(
[ev_id for sd in group_to_state.values() for ev_id in sd.values()],
get_prev_content=False
)
event_to_state = {
event_id: group_to_state[group]
event_id: {
k: state_event_map[v]
for k, v in group_to_state[group].items()
if v in state_event_map
}
for event_id, group in event_to_groups.items()
}
@ -428,20 +456,13 @@ class StateStore(SQLBaseStore):
full=(types is None),
)
state_events = yield self._get_events(
[ev_id for sd in results.values() for ev_id in sd.values()],
get_prev_content=False
)
state_events = {e.event_id: e for e in state_events}
# Remove all the entries with None values. The None values were just
# used for bookkeeping in the cache.
for group, state_dict in results.items():
results[group] = {
key: state_events[event_id]
key: event_id
for key, event_id in state_dict.items()
if event_id and event_id in state_events
if event_id
}
defer.returnValue(results)