synapse-old/synapse/storage/schema/delta/16/remove_duplicates.sql

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
);