| 1 | n/a | import sqlite3 |
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| 2 | n/a | |
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| 3 | n/a | def collate_reverse(string1, string2): |
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| 4 | n/a | if string1 == string2: |
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| 5 | n/a | return 0 |
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| 6 | n/a | elif string1 < string2: |
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| 7 | n/a | return 1 |
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| 8 | n/a | else: |
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| 9 | n/a | return -1 |
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| 10 | n/a | |
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| 11 | n/a | con = sqlite3.connect(":memory:") |
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| 12 | n/a | con.create_collation("reverse", collate_reverse) |
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| 13 | n/a | |
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| 14 | n/a | cur = con.cursor() |
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| 15 | n/a | cur.execute("create table test(x)") |
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| 16 | n/a | cur.executemany("insert into test(x) values (?)", [("a",), ("b",)]) |
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| 17 | n/a | cur.execute("select x from test order by x collate reverse") |
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| 18 | n/a | for row in cur: |
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| 19 | n/a | print(row) |
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| 20 | n/a | con.close() |
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