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20 lines
484 B
Python
20 lines
484 B
Python
import sqlite3
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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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con = sqlite3.connect(":memory:")
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con.create_collation("reverse", collate_reverse)
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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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