Mercurial > cpython-lru_cache-weakref
annotate Doc/includes/sqlite3/collation_reverse.py @ 48715:48dddfd2fbf3
RPC_WSTR is not available Visual Studio 2003 or earlier.
(Maybe I should have defined RPC_WSTR on old compiler,
but uuidcreate() is only place using it, so I simply replaced
with unsigned short *)
| author | Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> |
|---|---|
| date | Sun, 17 Aug 2008 07:26:26 +0000 |
| parents | 9e1529bf0442 |
| children | 2358299564ea |
| rev | line source |
|---|---|
|
42604
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
1 import sqlite3 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
2 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
3 def collate_reverse(string1, string2): |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
4 return -cmp(string1, string2) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
5 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
6 con = sqlite3.connect(":memory:") |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
7 con.create_collation("reverse", collate_reverse) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
8 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
9 cur = con.cursor() |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
10 cur.execute("create table test(x)") |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
11 cur.executemany("insert into test(x) values (?)", [("a",), ("b",)]) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
12 cur.execute("select x from test order by x collate reverse") |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
13 for row in cur: |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
14 print(row) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
15 con.close() |
