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Fix up get_current_state and get_room_name_and_aliases queries to parse events in transaction

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This commit is contained in:
Erik Johnston 2015-04-30 17:12:52 +01:00
parent 69d4063651
commit f383d5a801
2 changed files with 30 additions and 32 deletions
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27
synapse/storage/room.py
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@ -188,26 +188,21 @@ class RoomStore(SQLBaseStore):
@defer.inlineCallbacks
def get_room_name_and_aliases(self, room_id):
del_sql = (
"SELECT event_id FROM redactions WHERE redacts = e.event_id "
"LIMIT 1"
)
def f(txn):
sql = (
"SELECT event_id FROM events current_state_events "
"WHERE room_id = ? "
)
sql = (
"SELECT e.*, (%(redacted)s) AS redacted FROM events as e "
"INNER JOIN current_state_events as c ON e.event_id = c.event_id "
"WHERE c.room_id = ? "
) % {
"redacted": del_sql,
}
sql += " AND ((type = 'm.room.name' AND state_key = '')"
sql += " OR type = 'm.room.aliases')"
sql += " AND ((c.type = 'm.room.name' AND c.state_key = '')"
sql += " OR c.type = 'm.room.aliases')"
args = (room_id,)
txn.execute(sql, (room_id,))
results = self.cursor_to_dict(txn)
results = yield self._execute_and_decode("get_current_state", sql, *args)
return self._parse_events_txn(txn, results)
events = yield self._parse_events(results)
events = yield self.runInteraction("get_room_name_and_aliases", f)
name = None
aliases = []

35
synapse/storage/state.py
View File

@ -128,25 +128,28 @@ class StateStore(SQLBaseStore):
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key=""):
sql = (
"SELECT e.*, r.event_id FROM events as e"
" LEFT JOIN redactions as r ON r.redacts = e.event_id"
" INNER JOIN current_state_events as c ON e.event_id = c.event_id"
" WHERE c.room_id = ? "
)
def f(txn):
sql = (
"SELECT e.event_id FROM events as e"
" INNER JOIN current_state_events as c ON e.event_id = c.event_id"
" WHERE c.room_id = ? "
)
if event_type and state_key is not None:
sql += " AND c.type = ? AND c.state_key = ? "
args = (room_id, event_type, state_key)
elif event_type:
sql += " AND c.type = ?"
args = (room_id, event_type)
else:
args = (room_id, )
if event_type and state_key is not None:
sql += " AND c.type = ? AND c.state_key = ? "
args = (room_id, event_type, state_key)
elif event_type:
sql += " AND c.type = ?"
args = (room_id, event_type)
else:
args = (room_id, )
results = yield self._execute_and_decode("get_current_state", sql, *args)
txn.execute(sql, args)
results = self.cursor_to_dict(txn)
events = yield self._parse_events(results)
return self._parse_events_txn(results)
events = self.runInteraction("get_current_state", f)
defer.returnValue(events)