Batch fetching of events for state groups

This commit is contained in:
Erik Johnston 2015-05-13 11:22:42 +01:00
parent 409bcc76bd
commit fec4485e28

View file

@ -83,8 +83,31 @@ class StateStore(SQLBaseStore):
f,
)
def fetch_events(txn, events):
sql = (
"SELECT e.internal_metadata, e.json, r.event_id, rej.reason "
" FROM event_json as e"
" LEFT JOIN redactions as r ON e.event_id = r.redacts"
" LEFT JOIN rejections as rej on rej.event_id = e.event_id"
" 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
]
for vals in states.values():
vals[:] = yield self._get_events(vals, desc="_get_state_groups_ev")
vals[:] = yield self.runInteraction(
"_get_state_groups_ev",
fetch_events, vals
)
defer.returnValue(states)