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@@ -1589,36 +1589,29 @@ class EventsStore(
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if self.hs.config.redaction_retention_period is None:
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return
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- max_pos = yield self.find_first_stream_ordering_after_ts(
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- self._clock.time_msec() - self.hs.config.redaction_retention_period
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- )
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+ before_ts = self._clock.time_msec() - self.hs.config.redaction_retention_period
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# We fetch all redactions that:
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# 1. point to an event we have,
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- # 2. has a stream ordering from before the cut off, and
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+ # 2. has a received_ts from before the cut off, and
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# 3. we haven't yet censored.
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#
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# This is limited to 100 events to ensure that we don't try and do too
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# much at once. We'll get called again so this should eventually catch
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# up.
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- #
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- # We use the range [-max_pos, max_pos] to handle backfilled events,
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- # which are given negative stream ordering.
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sql = """
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- SELECT redact_event.event_id, redacts FROM redactions
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- INNER JOIN events AS redact_event USING (event_id)
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+ SELECT redactions.event_id, redacts FROM redactions
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LEFT JOIN events AS original_event ON (
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- redact_event.room_id = original_event.room_id
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- AND redacts = original_event.event_id
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+ redacts = original_event.event_id
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)
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WHERE NOT have_censored
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- AND ? <= redact_event.stream_ordering AND redact_event.stream_ordering <= ?
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- ORDER BY redact_event.stream_ordering ASC
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+ AND redactions.received_ts <= ?
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+ ORDER BY redactions.received_ts ASC
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LIMIT ?
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"""
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rows = yield self._execute(
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- "_censor_redactions_fetch", None, sql, -max_pos, max_pos, 100
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+ "_censor_redactions_fetch", None, sql, before_ts, 100
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)
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updates = []
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