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Migration to clean up bogus rooms #267

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merged 4 commits into from
Aug 23, 2023
Merged

Migration to clean up bogus rooms #267

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7a70d47
Migration to clean up bogus rooms
Aug 22, 2023
68b5eb0
Goose runs its migration in a txn by default
Aug 22, 2023
7cbefdf
Write the migration in go instead
Aug 22, 2023
6b92d62
Improve logging
Aug 23, 2023
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32 changes: 32 additions & 0 deletions state/migrations/20230822174049_bogus_snapshot_cleanup.sql
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Original file line number Diff line number Diff line change
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-- +goose Up
-- This migration runs a one-time cleanup job to delete rooms with dodgy state snapshots.
-- A room is dodgy if its current snapshot lacks a create event.
BEGIN;

CREATE TEMPORARY TABLE bogus_rooms AS (
SELECT room_id, current_snapshot_id
FROM syncv3_rooms
WHERE room_id NOT IN (
SELECT room_id
FROM syncv3_events
WHERE event_type = 'm.room.create'
AND state_key = ''
)
);

DELETE
FROM syncv3_events
WHERE room_id IN (SELECT room_id FROM bogus_rooms);

DELETE
FROM syncv3_snapshots
WHERE room_id IN (SELECT room_id FROM bogus_rooms);

DELETE
FROM syncv3_rooms
WHERE room_id IN (SELECT room_id FROM bogus_rooms);

COMMIT;

-- +goose Down
-- downgrading is a no-op.