|  | 
 | 
						
						
						
							|  | 
 | 
						
						
						
							|  | 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
 | 
						
						
						
							|  | );
 |