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Get correct prev_events

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This commit is contained in:
Erik Johnston 2014-11-05 13:23:35 +00:00
parent 1616df2f61
commit cc44ecc62f
2 changed files with 26 additions and 15 deletions
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11
synapse/storage/_base.py
View File

@ -439,7 +439,7 @@ class SQLBaseStore(object):
def _parse_events_txn(self, txn, rows): def _parse_events_txn(self, txn, rows):
events = [self._parse_event_from_row(r) for r in rows] events = [self._parse_event_from_row(r) for r in rows]
sql = "SELECT * FROM events WHERE event_id = ?" select_event_sql = "SELECT * FROM events WHERE event_id = ?"
for ev in events: for ev in events:
signatures = self._get_event_origin_signatures_txn( signatures = self._get_event_origin_signatures_txn(
@ -450,13 +450,12 @@ class SQLBaseStore(object):
k: encode_base64(v) for k, v in signatures.items() k: encode_base64(v) for k, v in signatures.items()
} }
prev_events = self._get_latest_events_in_room(txn, ev.room_id) ev.prev_events = self._get_prev_events(txn, ev.event_id)
ev.prev_events = [(e_id, s,) for e_id, s, _ in prev_events]
if hasattr(ev, "prev_state"): if hasattr(ev, "prev_state"):
# Load previous state_content. # Load previous state_content.
# TODO: Should we be pulling this out above? # TODO: Should we be pulling this out above?
cursor = txn.execute(sql, (ev.prev_state,)) cursor = txn.execute(select_event_sql, (ev.prev_state,))
prevs = self.cursor_to_dict(cursor) prevs = self.cursor_to_dict(cursor)
if prevs: if prevs:
prev = self._parse_event_from_row(prevs[0]) prev = self._parse_event_from_row(prevs[0])
@ -468,8 +467,8 @@ class SQLBaseStore(object):
if ev.redacted: if ev.redacted:
# Get the redaction event. # Get the redaction event.
sql = "SELECT * FROM events WHERE event_id = ?" select_event_sql = "SELECT * FROM events WHERE event_id = ?"
txn.execute(sql, (ev.redacted,)) txn.execute(select_event_sql, (ev.redacted,))
del_evs = self._parse_events_txn( del_evs = self._parse_events_txn(
txn, self.cursor_to_dict(txn) txn, self.cursor_to_dict(txn)

30
synapse/storage/event_federation.py
View File

@ -49,15 +49,6 @@ class EventFederationStore(SQLBaseStore):
) )
def _get_latest_events_in_room(self, txn, room_id): def _get_latest_events_in_room(self, txn, room_id):
self._simple_select_onecol_txn(
txn,
table="event_forward_extremities",
keyvalues={
"room_id": room_id,
},
retcol="event_id",
)
sql = ( sql = (
"SELECT e.event_id, e.depth FROM events as e " "SELECT e.event_id, e.depth FROM events as e "
"INNER JOIN event_forward_extremities as f " "INNER JOIN event_forward_extremities as f "
@ -78,6 +69,27 @@ class EventFederationStore(SQLBaseStore):
return results return results
def _get_prev_events(self, txn, event_id):
prev_ids = self._simple_select_onecol_txn(
txn,
table="event_edges",
keyvalues={
"event_id": event_id,
},
retcol="prev_event_id",
)
results = []
for prev_event_id in prev_ids:
hashes = self._get_event_reference_hashes_txn(txn, prev_event_id)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
}
results.append((event_id, prev_hashes))
return results
def get_min_depth(self, room_id): def get_min_depth(self, room_id):
return self.runInteraction( return self.runInteraction(
"get_min_depth", "get_min_depth",