annotate Doc/includes/sqlite3/collation_reverse.py @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents c62f6669ae22
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
42603
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
1 import sqlite3
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
2
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
3 def collate_reverse(string1, string2):
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
4 return -cmp(string1, string2)
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
5
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
6 con = sqlite3.connect(":memory:")
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
7 con.create_collation("reverse", collate_reverse)
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
8
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
9 cur = con.cursor()
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
10 cur.execute("create table test(x)")
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
11 cur.executemany("insert into test(x) values (?)", [("a",), ("b",)])
c62f6669ae22 Move the 2.6 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")
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
13 for row in cur:
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
14 print row
c62f6669ae22 Move the 2.6 reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
15 con.close()