Fix bug in _get_auth_chain_txn
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@ -32,24 +32,21 @@ class EventFederationStore(SQLBaseStore):
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)
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def _get_auth_chain_txn(self, txn, event_id):
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results = set([event_id])
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results = set()
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base_sql = (
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"SELECT auth_id FROM event_auth WHERE %s"
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)
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front = set([event_id])
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while front:
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for ev_id in front:
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new_front = set()
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auth_ids = self._simple_select_onecol_txn(
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txn,
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table="event_auth",
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keyvalues={
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"event_id": ev_id,
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},
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retcol="auth_id",
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sql = base_sql % (
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" OR ".join(["event_id=?"] * len(front)),
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)
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new_front.update(auth_ids)
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front = new_front
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new_front.clear()
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txn.execute(sql, list(front))
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front = [r[0] for r in txn.fetchall()]
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results.update(front)
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sql = "SELECT * FROM events WHERE event_id = ?"
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rows = []
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