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Don't fetch redaction and rejection stuff for each event, so we can use index only scan
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parent
02590c3e1d
commit
6edff11a88
@ -918,10 +918,10 @@ class SQLBaseStore(object):
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start_time = update_counter("event_cache", start_time)
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sql = (
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"SELECT e.internal_metadata, e.json, r.event_id, rej.reason "
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"SELECT e.internal_metadata, e.json, r.redacts, rej.event_id "
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"FROM event_json as e "
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"LEFT JOIN rejections as rej USING (event_id) "
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"LEFT JOIN redactions as r ON e.event_id = r.redacts "
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"LEFT JOIN rejections as rej on rej.event_id = e.event_id "
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"WHERE e.event_id = ? "
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"LIMIT 1 "
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)
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@ -967,6 +967,14 @@ class SQLBaseStore(object):
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internal_metadata = json.loads(internal_metadata)
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start_time = update_counter("decode_internal", start_time)
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if rejected_reason:
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rejected_reason = self._simple_select_one_onecol_txn(
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txn,
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table="rejections",
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keyvalues={"event_id": rejected_reason},
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retcol="reason",
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)
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ev = FrozenEvent(
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d,
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internal_metadata_dict=internal_metadata,
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@ -977,12 +985,19 @@ class SQLBaseStore(object):
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if check_redacted and redacted:
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ev = prune_event(ev)
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ev.unsigned["redacted_by"] = redacted
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redaction_id = self._simple_select_one_onecol_txn(
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txn,
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table="redactions",
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keyvalues={"redacts": ev.event_id},
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retcol="event_id",
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)
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ev.unsigned["redacted_by"] = redaction_id
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# Get the redaction event.
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because = self._get_event_txn(
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txn,
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redacted,
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redaction_id,
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check_redacted=False
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)
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@ -85,8 +85,10 @@ class StateStore(SQLBaseStore):
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def fetch_events(txn, events):
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sql = (
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"SELECT e.internal_metadata, e.json "
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"SELECT e.internal_metadata, e.json, r.redacts, rej.event_id "
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" FROM event_json as e"
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" LEFT JOIN rejections as rej USING (event_id)"
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" LEFT JOIN redactions as r ON e.event_id = r.redacts"
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" WHERE e.event_id IN (%s)"
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) % (",".join(["?"]*len(events)),)
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@ -95,7 +97,8 @@ class StateStore(SQLBaseStore):
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return [
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self._get_event_from_row_txn(
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txn, row[0], row[1], None
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txn, row[0], row[1], row[2],
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rejected_reason=row[3],
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)
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for row in rows
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]
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