Mercurial > cpython-lru_cache-weakref

annotate Doc/includes/sqlite3/ctx_manager.py @ 58925:eecf1bef052d 2.6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 0ea5c055ab54
children b7e966b7c880
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
46180
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
1 import sqlite3
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
2
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
3 con = sqlite3.connect(":memory:")
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
4 con.execute("create table person (id integer primary key, firstname varchar unique)")
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
5
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
6 # Successful, con.commit() is called automatically afterwards
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
7 with con:
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
8 con.execute("insert into person(firstname) values (?)", ("Joe",))
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
9
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
10 # con.rollback() is called after the with block finishes with an exception, the
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
11 # exception is still raised and must be catched
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
12 try:
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
13 with con:
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
14 con.execute("insert into person(firstname) values (?)", ("Joe",))
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
15 except sqlite3.IntegrityError:
0ea5c055ab54 Brought documentation for sqlite3 module up-to-date. Fixed Issue1625205 which
Gerhard Häring <gh@ghaering.de>
parents:
diff changeset
16 print "couldn't add Joe twice"