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https://github.com/element-hq/synapse
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Deduplicate new deviceinbox rows for replication
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1 changed files with 7 additions and 4 deletions
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@ -325,23 +325,26 @@ class DeviceInboxStore(BackgroundUpdateStore):
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# we return.
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upper_pos = min(current_pos, last_pos + limit)
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sql = (
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"SELECT stream_id, user_id"
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"SELECT max(stream_id), user_id"
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" FROM device_inbox"
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" WHERE ? < stream_id AND stream_id <= ?"
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" ORDER BY stream_id ASC"
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" GROUP BY user_id"
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)
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txn.execute(sql, (last_pos, upper_pos))
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rows = txn.fetchall()
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sql = (
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"SELECT stream_id, destination"
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"SELECT max(stream_id), destination"
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" FROM device_federation_outbox"
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" WHERE ? < stream_id AND stream_id <= ?"
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" ORDER BY stream_id ASC"
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" GROUP BY destination"
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)
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txn.execute(sql, (last_pos, upper_pos))
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rows.extend(txn)
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# Order by ascending stream ordering
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rows.sort()
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return rows
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return self.runInteraction(
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