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Don't cache events in get_current_state_for_key

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This commit is contained in:
Erik Johnston 2016-03-23 11:37:58 +00:00
parent d787e41b20
commit 8b0dfc9fc4
2 changed files with 11 additions and 9 deletions
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4
synapse/storage/events.py
View file

@ -157,7 +157,7 @@ class EventsStore(SQLBaseStore):
# We purposefully do this first since if we include a `current_state`
# key, we *want* to update the `current_state_events` table
if current_state:
txn.call_after(self.get_current_state_for_key.invalidate_all)
txn.call_after(self._get_current_state_for_key.invalidate_all)
txn.call_after(self.get_rooms_for_user.invalidate_all)
txn.call_after(self.get_users_in_room.invalidate, (event.room_id,))
txn.call_after(self.get_joined_hosts_for_room.invalidate, (event.room_id,))
@ -441,7 +441,7 @@ class EventsStore(SQLBaseStore):
for event, _ in state_events_and_contexts:
if not context.rejected:
txn.call_after(
self.get_current_state_for_key.invalidate,
self._get_current_state_for_key.invalidate,
(event.room_id, event.type, event.state_key,)
)

16
synapse/storage/state.py
View file

@ -14,9 +14,7 @@
# limitations under the License.
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import (
cached, cachedInlineCallbacks, cachedList
)
from synapse.util.caches.descriptors import cached, cachedList
from twisted.internet import defer
@ -155,8 +153,14 @@ class StateStore(SQLBaseStore):
events = yield self._get_events(event_ids, get_prev_content=False)
defer.returnValue(events)
@cachedInlineCallbacks(num_args=3)
@defer.inlineCallbacks
def get_current_state_for_key(self, room_id, event_type, state_key):
event_ids = yield self._get_current_state_for_key(room_id, event_type, state_key)
events = yield self._get_events(event_ids, get_prev_content=False)
defer.returnValue(events)
@cached(num_args=3)
def _get_current_state_for_key(self, room_id, event_type, state_key):
def f(txn):
sql = (
"SELECT event_id FROM current_state_events"
@ -167,9 +171,7 @@ class StateStore(SQLBaseStore):
txn.execute(sql, args)
results = txn.fetchall()
return [r[0] for r in results]
event_ids = yield self.runInteraction("get_current_state_for_key", f)
events = yield self._get_events(event_ids, get_prev_content=False)
defer.returnValue(events)
return self.runInteraction("get_current_state_for_key", f)
def _get_state_groups_from_groups(self, groups, types):
"""Returns dictionary state_group -> (dict of (type, state_key) -> event id)