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Fix background reindex of origin_server_ts

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The storage function `_get_events_txn` was removed everywhere except
from this background reindex. The function was removed due to it being
(almost) completely unused while also being large and complex.
Therefore, instead of resurrecting `_get_events_txn` we manually
reimplement the bits that are needed directly.
This commit is contained in:
Erik Johnston 2016-09-27 09:43:27 +01:00
parent a38d46249e
commit 9040c9ffa1
1 changed files with 29 additions and 15 deletions
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44
synapse/storage/events.py
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@ -1355,39 +1355,53 @@ class EventsStore(SQLBaseStore):
min_stream_id = rows[-1][0]
event_ids = [row[1] for row in rows]
events = self._get_events_txn(txn, event_ids)
rows_to_update = []
rows = []
for event in events:
try:
event_id = event.event_id
origin_server_ts = event.origin_server_ts
except (KeyError, AttributeError):
# If the event is missing a necessary field then
# skip over it.
continue
chunks = [
event_ids[i:i + 100]
for i in xrange(0, len(event_ids), 100)
]
for chunk in chunks:
ev_rows = self._simple_select_many_txn(
txn,
table="event_json",
column="event_id",
iterable=chunk,
retcols=["event_id", "json"],
keyvalues={},
)
rows.append((origin_server_ts, event_id))
for row in ev_rows:
event_id = row["event_id"]
event_json = json.loads(row["json"])
try:
origin_server_ts = event_json["origin_server_ts"]
except (KeyError, AttributeError):
# If the event is missing a necessary field then
# skip over it.
continue
rows_to_update.append((origin_server_ts, event_id))
sql = (
"UPDATE events SET origin_server_ts = ? WHERE event_id = ?"
)
for index in range(0, len(rows), INSERT_CLUMP_SIZE):
clump = rows[index:index + INSERT_CLUMP_SIZE]
for index in range(0, len(rows_to_update), INSERT_CLUMP_SIZE):
clump = rows_to_update[index:index + INSERT_CLUMP_SIZE]
txn.executemany(sql, clump)
progress = {
"target_min_stream_id_inclusive": target_min_stream_id,
"max_stream_id_exclusive": min_stream_id,
"rows_inserted": rows_inserted + len(rows)
"rows_inserted": rows_inserted + len(rows_to_update)
}
self._background_update_progress_txn(
txn, self.EVENT_ORIGIN_SERVER_TS_NAME, progress
)
return len(rows)
return len(rows_to_update)
result = yield self.runInteraction(
self.EVENT_ORIGIN_SERVER_TS_NAME, reindex_search_txn