mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-14 16:33:53 +01:00
Only fetch prev_content when a client is streaming/paginating. Use transactions for event streams.
This commit is contained in:
parent
3e26720e05
commit
98933e3db6
2 changed files with 90 additions and 84 deletions
|
@ -434,12 +434,15 @@ class SQLBaseStore(object):
|
|||
|
||||
return self.runInteraction("_simple_max_id", func)
|
||||
|
||||
def _get_events(self, event_ids):
|
||||
def _get_events(self, event_ids, check_redacted=True,
|
||||
get_prev_content=False):
|
||||
return self.runInteraction(
|
||||
"_get_events", self._get_events_txn, event_ids
|
||||
"_get_events", self._get_events_txn, event_ids,
|
||||
check_redacted=check_redacted, get_prev_content=get_prev_content,
|
||||
)
|
||||
|
||||
def _get_events_txn(self, txn, event_ids):
|
||||
def _get_events_txn(self, txn, event_ids, check_redacted=True,
|
||||
get_prev_content=False):
|
||||
if not event_ids:
|
||||
return []
|
||||
|
||||
|
@ -450,7 +453,13 @@ class SQLBaseStore(object):
|
|||
n = 50
|
||||
split = [event_ids[i:i + n] for i in range(0, len(event_ids), n)]
|
||||
for e_ids in split:
|
||||
events.extend(self._get_events_txn(txn, e_ids))
|
||||
events.extend(
|
||||
self._get_events_txn(
|
||||
txn, e_ids,
|
||||
check_redacted=check_redacted,
|
||||
get_prev_content=get_prev_content,
|
||||
)
|
||||
)
|
||||
return events
|
||||
|
||||
logger.debug("_get_events_txn Fetching %d events", len(event_ids))
|
||||
|
@ -467,10 +476,17 @@ class SQLBaseStore(object):
|
|||
|
||||
res = txn.fetchall()
|
||||
|
||||
return [self._get_event_from_row_txn(txn, *r) for r in res]
|
||||
return [
|
||||
self._get_event_from_row_txn(
|
||||
txn, r[0], r[1], r[2],
|
||||
check_redacted=check_redacted,
|
||||
get_prev_content=get_prev_content,
|
||||
)
|
||||
for r in res
|
||||
]
|
||||
|
||||
def _get_event_txn(self, txn, event_id, check_redacted=True,
|
||||
get_prev_content=True):
|
||||
get_prev_content=False):
|
||||
sql = (
|
||||
"SELECT internal_metadata, json, r.event_id FROM event_json as e "
|
||||
"LEFT JOIN redactions as r ON e.event_id = r.redacts "
|
||||
|
@ -493,14 +509,12 @@ class SQLBaseStore(object):
|
|||
)
|
||||
|
||||
def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
|
||||
check_redacted=True, get_prev_content=True):
|
||||
check_redacted=True, get_prev_content=False):
|
||||
d = json.loads(js)
|
||||
internal_metadata = json.loads(internal_metadata)
|
||||
|
||||
ev = FrozenEvent(d, internal_metadata_dict=internal_metadata)
|
||||
|
||||
return ev
|
||||
|
||||
if check_redacted and redacted:
|
||||
ev = prune_event(ev)
|
||||
|
||||
|
|
|
@ -137,12 +137,12 @@ class StreamStore(SQLBaseStore):
|
|||
with_feedback=with_feedback,
|
||||
)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def get_room_events_stream(self, user_id, from_key, to_key, room_id,
|
||||
limit=0, with_feedback=False):
|
||||
# TODO (erikj): Handle compressed feedback
|
||||
|
||||
|
||||
current_room_membership_sql = (
|
||||
"SELECT m.room_id FROM room_memberships as m "
|
||||
"INNER JOIN current_state_events as c ON m.event_id = c.event_id "
|
||||
|
@ -157,11 +157,6 @@ class StreamStore(SQLBaseStore):
|
|||
"WHERE m.user_id = ? "
|
||||
)
|
||||
|
||||
del_sql = (
|
||||
"SELECT event_id FROM redactions WHERE redacts = e.event_id "
|
||||
"LIMIT 1"
|
||||
)
|
||||
|
||||
if limit:
|
||||
limit = max(limit, MAX_STREAM_SIZE)
|
||||
else:
|
||||
|
@ -172,38 +167,42 @@ class StreamStore(SQLBaseStore):
|
|||
to_id = _parse_stream_token(to_key)
|
||||
|
||||
if from_key == to_key:
|
||||
defer.returnValue(([], to_key))
|
||||
return
|
||||
return defer.succeed(([], to_key))
|
||||
|
||||
sql = (
|
||||
"SELECT *, (%(redacted)s) AS redacted FROM events AS e WHERE "
|
||||
"SELECT e.event_id, e.stream_ordering FROM events AS e WHERE "
|
||||
"(e.outlier = 0 AND (room_id IN (%(current)s)) OR "
|
||||
"(event_id IN (%(invites)s))) "
|
||||
"AND e.stream_ordering > ? AND e.stream_ordering <= ? "
|
||||
"ORDER BY stream_ordering ASC LIMIT %(limit)d "
|
||||
) % {
|
||||
"redacted": del_sql,
|
||||
"current": current_room_membership_sql,
|
||||
"invites": membership_sql,
|
||||
"limit": limit
|
||||
}
|
||||
|
||||
rows = yield self._execute_and_decode(
|
||||
sql,
|
||||
user_id, user_id, from_id, to_id
|
||||
)
|
||||
def f(txn):
|
||||
txn.execute(sql, (user_id, user_id, from_id, to_id,))
|
||||
|
||||
ret = yield self._parse_events(rows)
|
||||
rows = self.cursor_to_dict(txn)
|
||||
|
||||
if rows:
|
||||
key = "s%d" % max([r["stream_ordering"] for r in rows])
|
||||
else:
|
||||
# Assume we didn't get anything because there was nothing to get.
|
||||
key = to_key
|
||||
ret = self._get_events_txn(
|
||||
txn,
|
||||
[r["event_id"] for r in rows],
|
||||
get_prev_content=True
|
||||
)
|
||||
|
||||
defer.returnValue((ret, key))
|
||||
if rows:
|
||||
key = "s%d" % max([r["stream_ordering"] for r in rows])
|
||||
else:
|
||||
# Assume we didn't get anything because there was nothing to
|
||||
# get.
|
||||
key = to_key
|
||||
|
||||
return ret, key
|
||||
|
||||
return self.runInteraction("get_room_events_stream", f)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def paginate_room_events(self, room_id, from_key, to_key=None,
|
||||
direction='b', limit=-1,
|
||||
|
@ -221,7 +220,9 @@ class StreamStore(SQLBaseStore):
|
|||
|
||||
bounds = _get_token_bound(from_key, from_comp)
|
||||
if to_key:
|
||||
bounds = "%s AND %s" % (bounds, _get_token_bound(to_key, to_comp))
|
||||
bounds = "%s AND %s" % (
|
||||
bounds, _get_token_bound(to_key, to_comp)
|
||||
)
|
||||
|
||||
if int(limit) > 0:
|
||||
args.append(int(limit))
|
||||
|
@ -229,87 +230,78 @@ class StreamStore(SQLBaseStore):
|
|||
else:
|
||||
limit_str = ""
|
||||
|
||||
del_sql = (
|
||||
"SELECT event_id FROM redactions WHERE redacts = events.event_id "
|
||||
"LIMIT 1"
|
||||
)
|
||||
|
||||
sql = (
|
||||
"SELECT *, (%(redacted)s) AS redacted FROM events"
|
||||
"SELECT * FROM events"
|
||||
" WHERE outlier = 0 AND room_id = ? AND %(bounds)s"
|
||||
" ORDER BY topological_ordering %(order)s,"
|
||||
" stream_ordering %(order)s %(limit)s"
|
||||
) % {
|
||||
"redacted": del_sql,
|
||||
"bounds": bounds,
|
||||
"order": order,
|
||||
"limit": limit_str
|
||||
}
|
||||
|
||||
rows = yield self._execute_and_decode(
|
||||
sql,
|
||||
*args
|
||||
)
|
||||
def f(txn):
|
||||
txn.execute(sql, args)
|
||||
|
||||
if rows:
|
||||
topo = rows[-1]["topological_ordering"]
|
||||
toke = rows[-1]["stream_ordering"]
|
||||
if direction == 'b':
|
||||
topo -= 1
|
||||
toke -= 1
|
||||
next_token = "t%s-%s" % (topo, toke)
|
||||
else:
|
||||
# TODO (erikj): We should work out what to do here instead.
|
||||
next_token = to_key if to_key else from_key
|
||||
rows = self.cursor_to_dict(txn)
|
||||
|
||||
events = yield self._parse_events(rows)
|
||||
if rows:
|
||||
topo = rows[-1]["topological_ordering"]
|
||||
toke = rows[-1]["stream_ordering"]
|
||||
if direction == 'b':
|
||||
topo -= 1
|
||||
toke -= 1
|
||||
next_token = "t%s-%s" % (topo, toke)
|
||||
else:
|
||||
# TODO (erikj): We should work out what to do here instead.
|
||||
next_token = to_key if to_key else from_key
|
||||
|
||||
defer.returnValue(
|
||||
(
|
||||
events,
|
||||
next_token
|
||||
events = self._get_events_txn(
|
||||
txn,
|
||||
[r["event_id"] for r in rows],
|
||||
get_prev_content=True
|
||||
)
|
||||
)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
return events, next_token,
|
||||
|
||||
return self.runInteraction("paginate_room_events", f)
|
||||
|
||||
def get_recent_events_for_room(self, room_id, limit, end_token,
|
||||
with_feedback=False):
|
||||
# TODO (erikj): Handle compressed feedback
|
||||
|
||||
del_sql = (
|
||||
"SELECT event_id FROM redactions WHERE redacts = events.event_id "
|
||||
"LIMIT 1"
|
||||
)
|
||||
|
||||
sql = (
|
||||
"SELECT *, (%(redacted)s) AS redacted FROM events "
|
||||
"SELECT * FROM events "
|
||||
"WHERE room_id = ? AND stream_ordering <= ? AND outlier = 0 "
|
||||
"ORDER BY topological_ordering DESC, stream_ordering DESC LIMIT ? "
|
||||
) % {
|
||||
"redacted": del_sql,
|
||||
}
|
||||
|
||||
rows = yield self._execute_and_decode(
|
||||
sql,
|
||||
room_id, end_token, limit
|
||||
)
|
||||
|
||||
rows.reverse() # As we selected with reverse ordering
|
||||
def f(txn):
|
||||
txn.execute(sql, (room_id, end_token, limit,))
|
||||
|
||||
if rows:
|
||||
topo = rows[0]["topological_ordering"]
|
||||
toke = rows[0]["stream_ordering"]
|
||||
start_token = "t%s-%s" % (topo, toke)
|
||||
rows = self.cursor_to_dict(txn)
|
||||
|
||||
token = (start_token, end_token)
|
||||
else:
|
||||
token = (end_token, end_token)
|
||||
rows.reverse() # As we selected with reverse ordering
|
||||
|
||||
events = yield self._parse_events(rows)
|
||||
if rows:
|
||||
topo = rows[0]["topological_ordering"]
|
||||
toke = rows[0]["stream_ordering"]
|
||||
start_token = "t%s-%s" % (topo, toke)
|
||||
|
||||
ret = (events, token)
|
||||
token = (start_token, end_token)
|
||||
else:
|
||||
token = (end_token, end_token)
|
||||
|
||||
defer.returnValue(ret)
|
||||
events = self._get_events_txn(
|
||||
txn,
|
||||
[r["event_id"] for r in rows],
|
||||
get_prev_content=True
|
||||
)
|
||||
|
||||
return events, token
|
||||
|
||||
return self.runInteraction("get_recent_events_for_room", f)
|
||||
|
||||
def get_room_events_max_id(self):
|
||||
return self.runInteraction(
|
||||
|
|
Loading…
Reference in a new issue