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Merge pull request #2176 from matrix-org/erikj/faster_get_joined

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Make get_joined_users faster
This commit is contained in:
Erik Johnston 2017-05-05 10:59:55 +01:00 committed by GitHub
commit 66f371e8b8
1 changed files with 42 additions and 16 deletions
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58
synapse/storage/roommember.py
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@ -418,25 +418,51 @@ class RoomMemberStore(SQLBaseStore):
if key[0] == EventTypes.Member
]
rows = yield self._simple_select_many_batch(
table="room_memberships",
column="event_id",
iterable=member_event_ids,
retcols=['user_id', 'display_name', 'avatar_url'],
keyvalues={
"membership": Membership.JOIN,
},
batch_size=500,
desc="_get_joined_users_from_context",
# We check if we have any of the member event ids in the event cache
# before we ask the DB
event_map = self._get_events_from_cache(
member_event_ids,
allow_rejected=False,
)
users_in_room = {
to_ascii(row["user_id"]): ProfileInfo(
avatar_url=to_ascii(row["avatar_url"]),
display_name=to_ascii(row["display_name"]),
missing_member_event_ids = []
users_in_room = {}
for event_id in member_event_ids:
ev_entry = event_map.get(event_id)
if ev_entry:
if ev_entry.event.membership == Membership.JOIN:
users_in_room[to_ascii(ev_entry.event.state_key)] = ProfileInfo(
display_name=to_ascii(
ev_entry.event.content.get("displayname", None)
),
avatar_url=to_ascii(
ev_entry.event.content.get("avatar_url", None)
),
)
else:
missing_member_event_ids.append(event_id)
if missing_member_event_ids:
rows = yield self._simple_select_many_batch(
table="room_memberships",
column="event_id",
iterable=missing_member_event_ids,
retcols=('user_id', 'display_name', 'avatar_url',),
keyvalues={
"membership": Membership.JOIN,
},
batch_size=500,
desc="_get_joined_users_from_context",
)
for row in rows
}
users_in_room.update({
to_ascii(row["user_id"]): ProfileInfo(
avatar_url=to_ascii(row["avatar_url"]),
display_name=to_ascii(row["display_name"]),
)
for row in rows
})
if event is not None and event.type == EventTypes.Member:
if event.membership == Membership.JOIN: