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