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Merge pull request #28 from matrix-org/erikj-perf

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Database performance improvements.
This commit is contained in:
Mark Haines 2015-01-06 13:33:40 +00:00
commit 5e23a19204
5 changed files with 116 additions and 109 deletions
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21
synapse/storage/roommember.py
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@ -123,6 +123,19 @@ class RoomMemberStore(SQLBaseStore):
else:
return None
def get_users_in_room(self, room_id):
def f(txn):
sql = (
"SELECT m.user_id FROM room_memberships as m"
" INNER JOIN current_state_events as c"
" ON m.event_id = c.event_id"
" WHERE m.membership = ? AND m.room_id = ?"
)
txn.execute(sql, (Membership.JOIN, room_id))
return [r[0] for r in txn.fetchall()]
return self.runInteraction("get_users_in_room", f)
def get_room_members(self, room_id, membership=None):
"""Retrieve the current room member list for a room.
@ -183,20 +196,14 @@ class RoomMemberStore(SQLBaseStore):
)
def _get_members_query_txn(self, txn, where_clause, where_values):
del_sql = (
"SELECT event_id FROM redactions WHERE redacts = e.event_id "
"LIMIT 1"
)
sql = (
"SELECT e.*, (%(redacted)s) AS redacted FROM events as e "
"SELECT e.* FROM events as e "
"INNER JOIN room_memberships as m "
"ON e.event_id = m.event_id "
"INNER JOIN current_state_events as c "
"ON m.event_id = c.event_id "
"WHERE %(where)s "
) % {
"redacted": del_sql,
"where": where_clause,
}