mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-23 10:45:48 +00:00
Fetch events in bulk
This commit is contained in:
parent
6edff11a88
commit
ca4f458787
@ -875,19 +875,11 @@ class SQLBaseStore(object):
|
||||
|
||||
def _get_events_txn(self, txn, event_ids, check_redacted=True,
|
||||
get_prev_content=False):
|
||||
if not event_ids:
|
||||
return []
|
||||
|
||||
events = [
|
||||
self._get_event_txn(
|
||||
txn, event_id,
|
||||
check_redacted=check_redacted,
|
||||
get_prev_content=get_prev_content
|
||||
)
|
||||
for event_id in event_ids
|
||||
]
|
||||
|
||||
return [e for e in events if e]
|
||||
return self._fetch_events_txn(
|
||||
txn, event_ids,
|
||||
check_redacted=check_redacted,
|
||||
get_prev_content=get_prev_content,
|
||||
)
|
||||
|
||||
def _invalidate_get_event_cache(self, event_id):
|
||||
for check_redacted in (False, True):
|
||||
@ -950,6 +942,63 @@ class SQLBaseStore(object):
|
||||
else:
|
||||
return None
|
||||
|
||||
def _fetch_events_txn(self, txn, events, check_redacted=True,
|
||||
get_prev_content=False, allow_rejected=False):
|
||||
if not events:
|
||||
return []
|
||||
|
||||
event_map = {}
|
||||
|
||||
for event_id in events:
|
||||
try:
|
||||
ret = self._get_event_cache.get(event_id, check_redacted, get_prev_content)
|
||||
|
||||
if allow_rejected or not ret.rejected_reason:
|
||||
event_map[event_id] = ret
|
||||
else:
|
||||
return None
|
||||
except KeyError:
|
||||
pass
|
||||
|
||||
missing_events = [
|
||||
e for e in events
|
||||
if e not in event_map
|
||||
]
|
||||
|
||||
if missing_events:
|
||||
sql = (
|
||||
"SELECT e.internal_metadata, e.json, r.redacts, rej.event_id "
|
||||
" FROM event_json as e"
|
||||
" LEFT JOIN rejections as rej USING (event_id)"
|
||||
" LEFT JOIN redactions as r ON e.event_id = r.redacts"
|
||||
" WHERE e.event_id IN (%s)"
|
||||
) % (",".join(["?"]*len(missing_events)),)
|
||||
|
||||
txn.execute(sql, missing_events)
|
||||
rows = txn.fetchall()
|
||||
|
||||
res = [
|
||||
self._get_event_from_row_txn(
|
||||
txn, row[0], row[1], row[2],
|
||||
check_redacted=check_redacted,
|
||||
get_prev_content=get_prev_content,
|
||||
rejected_reason=row[3],
|
||||
)
|
||||
for row in rows
|
||||
]
|
||||
|
||||
event_map.update({
|
||||
e.event_id: e
|
||||
for e in res if e
|
||||
})
|
||||
|
||||
for e in res:
|
||||
self._get_event_cache.prefill(
|
||||
e.event_id, check_redacted, get_prev_content, e
|
||||
)
|
||||
|
||||
return [event_map[e_id] for e_id in events if e_id in event_map]
|
||||
|
||||
def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
|
||||
check_redacted=True, get_prev_content=False,
|
||||
rejected_reason=None):
|
||||
|
@ -83,31 +83,11 @@ class StateStore(SQLBaseStore):
|
||||
f,
|
||||
)
|
||||
|
||||
def fetch_events(txn, events):
|
||||
sql = (
|
||||
"SELECT e.internal_metadata, e.json, r.redacts, rej.event_id "
|
||||
" FROM event_json as e"
|
||||
" LEFT JOIN rejections as rej USING (event_id)"
|
||||
" LEFT JOIN redactions as r ON e.event_id = r.redacts"
|
||||
" WHERE e.event_id IN (%s)"
|
||||
) % (",".join(["?"]*len(events)),)
|
||||
|
||||
txn.execute(sql, events)
|
||||
rows = txn.fetchall()
|
||||
|
||||
return [
|
||||
self._get_event_from_row_txn(
|
||||
txn, row[0], row[1], row[2],
|
||||
rejected_reason=row[3],
|
||||
)
|
||||
for row in rows
|
||||
]
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def c(vals):
|
||||
vals[:] = yield self.runInteraction(
|
||||
"_get_state_groups_ev",
|
||||
fetch_events, vals
|
||||
self._fetch_events_txn, vals
|
||||
)
|
||||
|
||||
yield defer.gatherResults(
|
||||
|
Loading…
Reference in New Issue
Block a user