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Merge pull request #2099 from matrix-org/erikj/deviceinbox_reduce

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Deduplicate new deviceinbox rows for replication
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Erik Johnston 2017-04-05 09:35:59 +01:00 committed by GitHub
commit b9caf4f726
1 changed files with 7 additions and 4 deletions
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11
synapse/storage/deviceinbox.py
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@ -325,23 +325,26 @@ class DeviceInboxStore(BackgroundUpdateStore):
# we return.
upper_pos = min(current_pos, last_pos + limit)
sql = (
"SELECT stream_id, user_id"
"SELECT max(stream_id), user_id"
" FROM device_inbox"
" WHERE ? < stream_id AND stream_id <= ?"
" ORDER BY stream_id ASC"
" GROUP BY user_id"
)
txn.execute(sql, (last_pos, upper_pos))
rows = txn.fetchall()
sql = (
"SELECT stream_id, destination"
"SELECT max(stream_id), destination"
" FROM device_federation_outbox"
" WHERE ? < stream_id AND stream_id <= ?"
" ORDER BY stream_id ASC"
" GROUP BY destination"
)
txn.execute(sql, (last_pos, upper_pos))
rows.extend(txn)
# Order by ascending stream ordering
rows.sort()
return rows
return self.runInteraction(