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Insert delta of current_state_events to be more efficient

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This commit is contained in:
Erik Johnston 2017-01-20 15:40:04 +00:00
parent d0897dead5
commit a55fa2047f
5 changed files with 58 additions and 119 deletions
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52
synapse/storage/state.py
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@ -232,58 +232,6 @@ class StateStore(SQLBaseStore):
return count
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key=""):
if event_type and state_key is not None:
result = yield self.get_current_state_for_key(
room_id, event_type, state_key
)
defer.returnValue(result)
def f(txn):
sql = (
"SELECT event_id FROM current_state_events"
" WHERE room_id = ? "
)
if event_type and state_key is not None:
sql += " AND type = ? AND state_key = ? "
args = (room_id, event_type, state_key)
elif event_type:
sql += " AND type = ?"
args = (room_id, event_type)
else:
args = (room_id, )
txn.execute(sql, args)
results = txn.fetchall()
return [r[0] for r in results]
event_ids = yield self.runInteraction("get_current_state", f)
events = yield self._get_events(event_ids, get_prev_content=False)
defer.returnValue(events)
@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"
" WHERE room_id = ? AND type = ? AND state_key = ?"
)
args = (room_id, event_type, state_key)
txn.execute(sql, args)
results = txn.fetchall()
return [r[0] for r in results]
return self.runInteraction("get_current_state_for_key", f)
@cached(num_args=2, max_entries=100000, iterable=True)
def _get_state_group_from_group(self, group, types):
raise NotImplementedError()