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path: root/synapse/storage/schema/delta/16/remove_duplicates.sql
blob: 65c97b5e2ff7675f017e8a1c1828b642aa8e2ed2 (plain) (blame)
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DELETE FROM event_to_state_groups WHERE state_group not in (
    SELECT MAX(state_group) FROM event_to_state_groups GROUP BY event_id
);

DELETE FROM event_to_state_groups WHERE rowid not in (
    SELECT MIN(rowid) FROM event_to_state_groups GROUP BY event_id
);