anonymousland-synapse/synapse/storage/schema/delta/16/remove_duplicates.sql
2015-04-10 18:47:03 +01:00

10 lines
265 B
SQL

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
);