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Move fetching of events into their own transactions

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This commit is contained in:
Erik Johnston 2015-05-14 13:45:48 +01:00
parent cdb3757942
commit f6f902d459
4 changed files with 45 additions and 53 deletions
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38
synapse/storage/event_federation.py
View File

@ -13,6 +13,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from ._base import SQLBaseStore, cached
from syutil.base64util import encode_base64
@ -33,16 +35,7 @@ class EventFederationStore(SQLBaseStore):
"""
def get_auth_chain(self, event_ids):
return self.runInteraction(
"get_auth_chain",
self._get_auth_chain_txn,
event_ids
)
def _get_auth_chain_txn(self, txn, event_ids):
results = self._get_auth_chain_ids_txn(txn, event_ids)
return self._get_events_txn(txn, results)
return self.get_auth_chain_ids(event_ids).addCallback(self._get_events)
def get_auth_chain_ids(self, event_ids):
return self.runInteraction(
@ -369,7 +362,7 @@ class EventFederationStore(SQLBaseStore):
return self.runInteraction(
"get_backfill_events",
self._get_backfill_events, room_id, event_list, limit
)
).addCallback(self._get_events)
def _get_backfill_events(self, txn, room_id, event_list, limit):
logger.debug(
@ -415,16 +408,26 @@ class EventFederationStore(SQLBaseStore):
front = new_front
event_results += new_front
return self._get_events_txn(txn, event_results)
return event_results
@defer.inlineCallbacks
def get_missing_events(self, room_id, earliest_events, latest_events,
limit, min_depth):
return self.runInteraction(
ids = yield self.runInteraction(
"get_missing_events",
self._get_missing_events,
room_id, earliest_events, latest_events, limit, min_depth
)
events = yield self._get_events(ids)
events = sorted(
[ev for ev in events if ev.depth >= min_depth],
key=lambda e: e.depth,
)
defer.returnValue(events[:limit])
def _get_missing_events(self, txn, room_id, earliest_events, latest_events,
limit, min_depth):
@ -456,14 +459,7 @@ class EventFederationStore(SQLBaseStore):
front = new_front
event_results |= new_front
events = self._get_events_txn(txn, event_results)
events = sorted(
[ev for ev in events if ev.depth >= min_depth],
key=lambda e: e.depth,
)
return events[:limit]
return event_results
def clean_room_for_join(self, room_id):
return self.runInteraction(

29
synapse/storage/roommember.py
View File

@ -76,17 +76,17 @@ class RoomMemberStore(SQLBaseStore):
Returns:
Deferred: Results in a MembershipEvent or None.
"""
def f(txn):
events = self._get_members_events_txn(
txn,
return self.runInteraction(
"get_room_member",
self._get_members_events_txn,
room_id,
user_id=user_id,
).addCallback(
self._get_events
).addCallback(
lambda events: events[0] if events else None
)
return events[0] if events else None
return self.runInteraction("get_room_member", f)
def get_users_in_room(self, room_id):
def f(txn):
@ -110,15 +110,12 @@ class RoomMemberStore(SQLBaseStore):
Returns:
list of namedtuples representing the members in this room.
"""
def f(txn):
return self._get_members_events_txn(
txn,
return self.runInteraction(
"get_room_members",
self._get_members_events_txn,
room_id,
membership=membership,
)
return self.runInteraction("get_room_members", f)
).addCallback(self._get_events)
def get_rooms_for_user_where_membership_is(self, user_id, membership_list):
""" Get all the rooms for this user where the membership for this user
@ -190,14 +187,14 @@ class RoomMemberStore(SQLBaseStore):
return self.runInteraction(
"get_members_query", self._get_members_events_txn,
where_clause, where_values
)
).addCallbacks(self._get_events)
def _get_members_events_txn(self, txn, room_id, membership=None, user_id=None):
rows = self._get_members_rows_txn(
txn,
room_id, membership, user_id,
)
return self._get_events_txn(txn, [r["event_id"] for r in rows])
return [r["event_id"] for r in rows]
def _get_members_rows_txn(self, txn, room_id, membership=None, user_id=None):
where_clause = "c.room_id = ?"

2
synapse/storage/state.py
View File

@ -72,8 +72,6 @@ class StateStore(SQLBaseStore):
retcol="event_id",
)
# state = self._get_events_txn(txn, state_ids)
res[group] = state_ids
return res

13
synapse/storage/stream.py
View File

@ -224,7 +224,7 @@ class StreamStore(SQLBaseStore):
return self.runInteraction("get_room_events_stream", f)
@log_function
@defer.inlineCallbacks
def paginate_room_events(self, room_id, from_key, to_key=None,
direction='b', limit=-1,
with_feedback=False):
@ -286,17 +286,18 @@ class StreamStore(SQLBaseStore):
# TODO (erikj): We should work out what to do here instead.
next_token = to_key if to_key else from_key
events = self._get_events_txn(
txn,
return rows, next_token,
rows, token = yield self.runInteraction("paginate_room_events", f)
events = yield self._get_events(
[r["event_id"] for r in rows],
get_prev_content=True
)
self._set_before_and_after(events, rows)
return events, next_token,
return self.runInteraction("paginate_room_events", f)
defer.returnValue((events, token))
@defer.inlineCallbacks
def get_recent_events_for_room(self, room_id, limit, end_token,