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Remove duplicate rows

This commit is contained in:
Erik Johnston 2015-04-10 18:47:03 +01:00
parent c5365dee56
commit 93937b2b31
1 changed files with 9 additions and 0 deletions
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9
synapse/storage/schema/delta/16/remove_duplicates.sql Normal file
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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
);