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Remove duplicate rows
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synapse/storage/schema/delta/16/remove_duplicates.sql
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9
synapse/storage/schema/delta/16/remove_duplicates.sql
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DELETE FROM event_to_state_groups WHERE state_group not in (
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SELECT MAX(state_group) FROM event_to_state_groups GROUP BY event_id
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);
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DELETE FROM event_to_state_groups WHERE rowid not in (
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SELECT MIN(rowid) FROM event_to_state_groups GROUP BY event_id
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);
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