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Attempt to delete more duplicate rows in receipts_linearized table. (#14915)

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The previous assumption was that the stream_id column was unique
(for a room ID, receipt type, user ID tuple), but this turned out to be
incorrect.

Now find the max stream ID, then map this back to a database-specific
row identifier and delete other rows which match the (room ID, receipt type,
user ID) tuple, but *not* the row ID.
This commit is contained in:
Patrick Cloke 2023-02-01 15:45:10 -05:00 • committed by GitHub
parent bb675913f0
commit 230a831c73
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3 changed files with 30 additions and 9 deletions
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4
tests/storage/databases/main/test_receipts.py
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@ -168,7 +168,9 @@ class ReceiptsBackgroundUpdateStoreTestCase(HomeserverTestCase):
{"stream_id": 6, "event_id": "$some_event"},
],
(self.other_room_id, "m.read", self.user_id): [
{"stream_id": 7, "event_id": "$some_event"}
# It is possible for stream IDs to be duplicated.
{"stream_id": 7, "event_id": "$some_event"},
{"stream_id": 7, "event_id": "$some_event"},
],
},
expected_unique_receipts={