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Add storage method have_events
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@ -422,6 +422,35 @@ class DataStore(RoomMemberStore, RoomStore,
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],
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],
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)
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)
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def have_events(self, event_ids):
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"""Given a list of event ids, check if we have already processed them.
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Returns:
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dict: Has an entry for each event id we already have seen. Maps to
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the rejected reason string if we rejected the event, else maps to
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None.
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"""
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def f(txn):
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sql = (
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"SELECT e.event_id, reason FROM events as e "
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"LEFT JOIN rejections as r ON e.event_id = r.event_id "
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"WHERE event_id = ?"
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)
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res = {}
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for event_id in event_ids:
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txn.execute(sql, (event_id,))
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row = txn.fetchone()
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if row:
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_, rejected = row
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res[event_id] = rejected
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return res
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return self.runInteraction(
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"have_events", f,
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)
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def schema_path(schema):
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def schema_path(schema):
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""" Get a filesystem path for the named database schema
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""" Get a filesystem path for the named database schema
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