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			20 lines
		
	
	
	
		
			484 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			484 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| import sqlite3
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| 
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| def collate_reverse(string1, string2):
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|     if string1 == string2:
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|         return 0
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|     elif string1 < string2:
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|         return 1
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|     else:
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|         return -1
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| 
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| con = sqlite3.connect(":memory:")
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| con.create_collation("reverse", collate_reverse)
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| 
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| cur = con.cursor()
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| cur.execute("create table test(x)")
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| cur.executemany("insert into test(x) values (?)", [("a",), ("b",)])
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| cur.execute("select x from test order by x collate reverse")
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| for row in cur:
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|     print(row)
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| con.close()
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